Standout Papers
Citation Impact
Citing Papers
Microbial Cellulose Utilization: Fundamentals and Biotechnology
2002 Standout
Suppression of Aging in Mice by the Hormone Klotho
2005 StandoutScience
Subpolar addition of new cell wall is directed by DivIVA in mycobacteria
2014 StandoutNobel
Cellulase: a perspective
1987
Inverting family GH156 sialidases define an unusual catalytic motif for glycosidase action
2019 StandoutNobel
Comparison of Family 9 Cellulases from Mesophilic and Thermophilic Bacteria
2010 StandoutNobel
The cellulosome concept as an efficient microbial strategy for the degradation of insoluble polysaccharides
1999
The Cellulosomes: Multienzyme Machines for Degradation of Plant Cell Wall Polysaccharides
2004
Synergistic enhancement of cellulase pairs linked by consensus ankyrin repeats: Determination of the roles of spacing, orientation, and enzyme identity
2016
Cloning of endoglucanase genes fromCellulomonas biazotea intoE. coli andS. cerevisiae using shuttle vector YEp24
1994
Sequence analysis of the Clostridium cellulolyticum endoglucanase-A-encoding gene, celCCA
1989
Spore Photoproduct Lyase Operon ( splAB ) Regulation During Bacillus subtilis Sporulation: Modulation of splB-lacZ Fusion Expression by P1 Promoter Mutations and by an In-Frame Deletion of splA
1997
Improved ethanol tolerance and production in strains of Clostridium thermocellum
1996
Small binding proteins selected from a combinatorial repertoire of knottins displayed on phage
1998 StandoutNobel
Features of promising technologies for pretreatment of lignocellulosic biomass
2004 Standout
From cellulosomes to cellulosomics
2008
Toward an aggregated understanding of enzymatic hydrolysis of cellulose: Noncomplexed cellulase systems
2004 Standout
Cellulase Ss (CelS) is synonymous with the major cellobiohydrolase (subunit S8) from the cellulosome ofClostridium thermocellum
1993
Crystallization and preliminary X-ray analysis of a fungal endoglucanase I
1992
Sequence analysis of a gene cluster encoding cellulases from Clostridium cellulolyticum
1992
Regulatory Aspects of Cellulase Biosynthesis and Secretion
1989
Kinetics versus Thermodynamics in Protein Folding
1994 StandoutNobel
Identification of genes involved in utilization of acetate and acetoin in Bacillus subtilis
1993
Interaction of the duplicated segment carried by Clostridium thermocellum cellulases with cellulosome components
1991
Endoglucanase a gene fusion vectors for monitoring protein secretion and glycosylation in yeast
1991
Cellulosomes—Structure and Ultrastructure
1998
Conversion of biomass to selected chemical products
2011 Standout
Mutation of the mouse klotho gene leads to a syndrome resembling ageing
1997 StandoutNature
THE CELLULOSOME: The Exocellular Organelle of Clostridium
1993
Cloning and expression of aClostridium thermocellum dna fragment that encodes a protein related to cellulosome component sL
1991
Cellulose Hydrolysis by Bacteria and Fungi
1995
Mechanisms of asymmetric cell division: Two Bs or not two Bs, that is the question
1992 StandoutNobel
Structure and mechanism of endo/exocellulase E4 from Thermomonospora fusca
1997
The crystal structure of endoglucanase CelA, a family 8 glycosyl hydrolase from Clostridium thermocellum
1996
Life in extreme environments
2001 StandoutNature
Analysis of spore photoproduct lyase operon (splAB ) function using targeted deletion-insertion mutations spanning the Bacillus subtilis operons ptsHI and splAB
1997
The HHpred interactive server for protein homology detection and structure prediction
2005 Standout
Structure of the β‐glucosidase gene bglA of Clostridium thermocellum
1991
Broad-Spectrum Antibiotic or G-CSF as Potential Countermeasures for Impaired Control of Bacterial Infection Associated with an SPE Exposure during Spaceflight
2015 StandoutNobel
Metabolic fluxes in riboflavin-producing Bacillus subtilis
1997 StandoutNobel
Efficient secretion of two fungal cellobiohydrolases by Saccharomyces cerevisiae
1988
Cellulose degrading enzymes and their potential industrial applications
1997
Conserved reiterated domains in Clostridium thermocellum endoglucanases are not essential for catalytic activity
1988
Microbial Cellulases: Protein Architecture, Molecular Properties, and Biosynthesis
1995
Duplicated Clostridium thermocellum cellobiohydrolase gene encoding cellulosomal subunits S3 and S5
1999
Gene structure and precursor processing of a novel Bacillus subtilis spore coat protein
1989
Improved Prediction of Signal Peptides: SignalP 3.0
2004 Standout
Cloning and expression of Clostridium thermocellum genes coding for thermostable exoglucanases (cellobiohydrolases) in Escherichia coli cells
1990
Pretreatments to enhance the digestibility of lignocellulosic biomass
2008 Standout
Isolation, characterization and manipulation of cellulase genes
1989
The function and differential sorting of a family of aplysia prohormone processing enzymes
1994 StandoutNobel
Cellulase and hemicellulase genes ofClostridium thermocellumfrom five independent collections contain few overlaps and are widely scattered across the chromosome
1998
Exploring the Mechanism Responsible for Cellulase Thermostability by Structure-Guided Recombination
2016 StandoutNobel
Method for purification of bacterial endospores from soils: UV resistance of natural Sonoran desert soil populations of Bacillus spp. with reference to B. subtilis strain 168
1999
Cold Adaptation of a Mesophilic Subtilisin-like Protease by Laboratory Evolution
2000 StandoutNobel
Directed evolution study of temperature adaptation in a psychrophilic enzyme 1 1Edited by J. A. Wells
2000 StandoutNobel
The Conserved Noncatalytic 40-Residue Sequence in Cellulases and Hemicellulases from Anaerobic Fungi Functions as a Protein Docking Domain
1995
Hypersecretion of a Cellulase from Clostridium thermocellum in Bacillus subtilis by Induction of Chromosomal DNA Amplification
1990
Purification and characterization of endoglucanase C from Clostridium cellulolyticum
1993
Thermostable Enzymes as Biocatalysts in the Biofuel Industry
2010
Synthesis, structural characterization, formation constants and in vitro cytotoxicity of phenanthroline and imidazolidine-2-thione copper(II) complexes
2010
Physiology of Carbohydrate to Solvent Conversion by Clostridia
1997
Cloning of clostridium thermocellum endoglucanase genes in escherichia coli
1990
Photoreactivation in the genus Bacillus
1995
Site-induced mutagenesis of conserved residues of Clostridium Thermocellum endoglucanase celc
1992
Product inhibition of the recombinant CelS, an exoglucanase component of the Clostridium thermocellum cellulosome
1995
Modification of catalytically important carboxy residues in endoglucanase D from Clostridium thermocellum
1992
Temporal regulation and forespore-specific expression of the spore photoproduct lyase gene by sigma-G RNA polymerase during Bacillus subtilis sporulation
1994
Cloning, sequencing, and secretion of Bacillusamyloliquefacienssubtillisin inBacillus subtilis
1983
Expression of two Trichoderma reesei endoglucanases in the yeast Saccharomyces cerevisiae
1987
Stable Coexistence of Five Bacterial Strains as a Cellulose-Degrading Community
2005
Heat and UV light resistance of vegetative cells and spores of Bacillus subtilis Rec-mutants
1985
Enzymic hydrolysis of cellulose: An overview
1992
Advances in Development of a Genetic System for Thermoanaerobacterium spp.: Expression of Genes Encoding Hydrolytic Enzymes, Development of a Second Shuttle Vector, and Integration of Genes into the Chromosome
2000
Differential metabolism of cellobiose and glucose by Clostridium thermocellum and Clostridium thermohydrosulfuricum
1982
Expression of AbrB, a transition state regulator from Bacillus subtilis, is growth phase dependent in a manner resembling that of Fis, the nucleoid binding protein from Escherichia coli
1997
A modified RNA polymerase transcribes a cloned gene under sporulation control in Bacillus subtilis
1979 Nature
Subcellulosome preparation with high cellulase activity from Clostridium thermocellum
1990
Exoglucanase activities of the recombinant Clostridium thermocellum CelS, a major cellulosome component
1995
CelG from Clostridium cellulolyticum: a multidomain endoglucanase acting efficiently on crystalline cellulose
1997
The Properties of Fungal and Bacterial Cellulases with Comment on their Production and Application
1985
Spore Photoproduct Lyase from Bacillus subtilis Spores Is a Novel Iron-Sulfur DNA Repair Enzyme Which Shares Features with Proteins such as Class III Anaerobic Ribonucleotide Reductases and Pyruvate-Formate Lyases
1998
Biochemical and Molecular Characterization of the Bacillus subtilis Acetoin Catabolic Pathway
1999
The catalytic domain of endoglucanase A from Clostridium cellulolyticum: effects of arginine 79 and histidine 122 mutations on catalysis
1992
Copper Active Sites in Biology
2014 Standout
Properties of a Clostridium thermocellum Endoglucanase Produced in Escherichia coli
1986
Extreme stability in de novo-designed repeat arrays is determined by unusually stable short-range interactions
2018 StandoutNobel
Chemicals from lignin: an interplay of lignocellulose fractionation, depolymerisation, and upgrading
2018 Standout
McsB Is a Protein Arginine Kinase That Phosphorylates and Inhibits the Heat-Shock Regulator CtsR
2009 StandoutScienceNobel
Three-Dimensional Structure of Cellobiohydrolase II from Trichoderma reesei
1990 Science
Cellulases of bacterial origin
1989
Transcription of Clostridium thermocellum endoglucanase genes celF and celD
1991
Autophagy in yeast demonstrated with proteinase-deficient mutants and conditions for its induction.
1992 StandoutNobel
The divIVA minicell locus of Bacillus subtilis
1997
Acetone-butanol fermentation revisited
1986
Characterization of Clostridium thermocellum JW20
1988
Implications of Rewiring Bacterial Quorum Sensing
2007 StandoutNobel
Natural Messenger Ribonucleic Acid-Directed Cell-Free Protein-Synthesizing System of Bacillus subtilis
1974
Purification and characterization of an endoglucanase from a newly isolated thermophilic anaerobic bacterium
1983
Role of Pyruvate Carboxylase, Phosphoenolpyruvate Carboxykinase, and Malic Enzyme during Growth and Sporulation of Bacillus subtilis
1973
Enzymology of cellulose degradation
1990
The cellulolytic enzyme complex of Clostridium thermocellum is very large
1985
Organization of a Clostridium thermocellum gene cluster encoding the cellulosomal scaffolding protein CipA and a protein possibly involved in attachment of the cellulosome to the cell surface
1993
Role of the Spore Coat Layers in Bacillus subtilis Spore Resistance to Hydrogen Peroxide, Artificial UV-C, UV-B, and Solar UV Radiation
2000
Characterization of the cellulolytic complex (cellulosome) produced by Clostridium cellulolyticum
1997
Extensive comparison of the substrate preferences of two subtilisins as determined with peptide substrates which are based on the principle of intramolecular quenching
1992 StandoutNobel
Cloning of structural genes for �-glucosidase fromCellulomonas biazotea intoE. coli andSaccharomyces cerevisiae using shuttle vector pBLU-D
1992
Identification of Mycelium-Associated Cellulase from Streptomyces reticuli
1989
Mutation analysis of the cellulose-binding domain of the Clostridium cellulovorans cellulose-binding protein A
1994
Expression of a thermostable cellulase gene from a thermophilic anaerobe in Saccharomyces cerevisiae
1990
Lignin Valorization: Improving Lignin Processing in the Biorefinery
2014 StandoutScience
Characterization of exoglucanase and synergistic hydrolysis of cellulose inClostridium stercorarium
1983
Major characteristics of the cellulolytic system of Clostridium thermocellum coincide with those of the purified cellulosome
1985
Site-directed mutagenesis of essential carboxylic residues in Clostridium thermocellum endoglucanase CelD.
1992
Ethanol production from cellobiose, amorphous cellulose, and crystalline cellulose by recombinant Klebsiella oxytoca containing chromosomally integrated Zymomonas mobilis genes for ethanol production and plasmids expressing thermostable cellulase genes from Clostridium thermocellum
1992
Nucleotide sequence and deletion analysis of the xylanase gene (xynZ) of Clostridium thermocellum
1988
V. COMPARATIVE METABOLISM OF INORGANIC SULFUR COMPOUNDS IN MICROORGANISMS
1962
Ethanol Production by Thermophilic Bacteria: Physiological Comparison of Solvent Effects on Parent and Alcohol-Tolerant Strains of Clostridium thermohydrosulfuricum
1984
Characterization of a cellulose-binding, cellulase-containing complex in Clostridium thermocellum
1983
Subunit Composition and Glycosidic Activities of the Cellulase Complex from Clostridium thermocellum JW20
1990
Cellulose hydrolysis by a highly thermostable endo-1,4-β-glucanase (Avicelase I) from Clostridium stercorarium
1990
Metabolism of cellobiose by Clostridium cellulolyticum growing in continuous culture: evidence for decreased NADH reoxidation as a factor limiting growth
1998
Cloning and DNA sequence of the gene coding for Clostridium thermocellum cellulase Ss (CelS), a major cellulosome component
1993
Two components of an extracellular protein aggregate of Clostridium thermocellum together degrade crystalline cellulose
1988
Molecular cloning and characterization of the Bacillus subtilis spore photoproduct lyase (spl) gene, which is involved in repair of UV radiation-induced DNA damage during spore germination
1993
Identification of the signal peptidase cleavage site in Bacillus licheniformis prepenicillinase.
1982 StandoutNobel
An A257V Mutation in the Bacillus subtilis Response Regulator Spo0A Prevents Regulated Expression of Promoters with Low-Consensus Binding Sites
2009 StandoutNobel
Superactivation of thermolysin by acylation with amino acid N-hydroxysuccinimide esters
1975 StandoutNobel
Thermolysin: Kinetic Study with Oligopeptides
1970
Enzymatic hydrolysis of cellulose: An overview
1991
Enzymes, Energy, and the Environment: A Strategic Perspective on the U.S. Department of Energy's Research and Development Activities for Bioethanol
1999
Cloning and expression in Saccharomyces cerevisiae of an endo-?-glucanase gene from a thermophilic cellulolytic anaerobe
1988
Production of dimethylfuran for liquid fuels from biomass-derived carbohydrates
2007 StandoutNature
CelI, a Noncellulosomal Family 9 Enzyme from Clostridium thermocellum , Is a Processive Endoglucanase That Degrades Crystalline Cellulose
2003
The Bacillus subtilis sin Operon
2004
Rhodopseudomonas blastica atp operon
1984 StandoutNobel
Molecular dissection of mutations in the Bacillus subtilis spore photoproduct lyase gene which affect repair of spore DNA damage caused by UV radiation
1995
Organization and distribution of the cellulosome in Clostridium thermocellum
1985
Artificial and Solar UV Radiation Induces Strand Breaks and Cyclobutane Pyrimidine Dimers in Bacillus subtilis Spore DNA
2000
Resistance ofBacillusEndospores to Extreme Terrestrial and Extraterrestrial Environments
2000 Standout
Thermolysin: A zinc metalloenzyme
1969
Thermophilic ethanologenesis: future prospects for second-generation bioethanol production
2009
Breakdown of crystalline cellulose by synergistic action between cellulase components fromClostridium thermocellumandTrichoderma koningii
1988
CotA of Bacillus subtilis Is a Copper-Dependent Laccase
2001
Multicomplex cellulase-xylanase system of Clostridium papyrosolvens C7
1994
Purification and characterization of an exoglucanase from Streptomyces flavogriseus
1984
Inducible Secretion of a Cellulase from Clostridium thermocellum in Bacillus subtilis
1989
Crystal structure of a bacterial family-III cellulose-binding domain: a general mechanism for attachment to cellulose.
1996 StandoutNobel
The Effect of Flow Rate of Compressed Hot Water on Xylan, Lignin, and Total Mass Removal from Corn Stover
2003
Unorthodox intrasubunit interactions in the cellulosome ofClostridium thermocellum
1992
Timing of spoII gene expression relative to septum formation during sporulation of Bacillus subtilis
1989
Relationship of cellulosomal and noncellulosomal xylanases of Clostridium thermocellum to cellulose-degrading enzymes
1990
Resolution of Clostridium stercorarium cellulase by fast protein liquid chromatography (FPLC)
1988
Biochemical Studies of Bacterial Sporulation and Germination
1970
Expression of an endoglucanase gene ofPseudomonas fluorescensvar.cellulosainZymomonas mobilis
1988
A family of thermostable fungal cellulases created by structure-guided recombination
2009 StandoutNobel
Cloning and nucleotide sequence of a cellulase gene, casA, from an alkalophilic Streptomyces strain
1988
The Effect of Flow Rate of Very Dilute Sulfuric Acid on Xylan, Lignin, and Total Mass Removal from Corn Stover
2004
Essential 170-kDa subunit for degradation of crystalline cellulose by Clostridium cellulovorans cellulase.
1990
In vitro synthesized bacterial outer membrane protein is integrated into bacterial inner membranes but translocated across microsomal membranes
1986 StandoutNatureNobel
Structural and germination defects of Bacillus subtilis spores with altered contents of a spore coat protein
1991
Secretion and autoproteolytic maturation of subtilisin.
1986
Localization and immunological characterization of the cellulolytic enzyme system inClostridium thermocellum
1989
Determination of Immunological Homology Between Cellulosome Subunits and Cloned Endoglucanases and Xylanase ofClostridium thermocellum
1997
Control of developmental transcription factor sigma F by sporulation regulatory proteins SpoIIAA and SpoIIAB in Bacillus subtilis.
1990
Bacillus safensis sp. nov., isolated from spacecraft and assembly-facility surfaces
2006
Intracellular Carbon Fluxes in Riboflavin-Producing Bacillus subtilis during Growth on Two-Carbon Substrate Mixtures
2002 StandoutNobel
Physiological properties of Cellulomonas fermentans, a mesophilic cellulolytic bacterium
1987
Organism development and characterization for ethanol production using thermophilic bacteria
1994
celA from Bacillus lautus PL236 encodes a novel cellulose-binding endo-beta-1,4-glucanase
1992
The Path Forward for Biofuels and Biomaterials
2006 StandoutScience
The biological degradation of cellulose
1994 Standout
The two major spore DNA repair pathways, nucleotide excision repair and spore photoproduct lyase, are sufficient for the resistance of Bacillus subtilis spores to artificial UV-C and UV-B but not to solar radiation
1996
Three-dimensional structure of a thermostable bacterial cellulase
1992 Nature
Solvent Production by Microorganisms
1988
Bacterial cellulases and xylanases
1993
Isolation and functional expression of a mammalian prohormone processing enzyme, murine prohormone convertase 1.
1991 StandoutNobel
Advances in Copper Complexes as Anticancer Agents
2013 Standout
Specialized cell surface structures in cellulolytic bacteria
1987
Multiple domains in endoglucanase B (CenB) from Cellulomonas fimi: functions and relatedness to domains in other polypeptides
1991
Two RNA polymerase sigma factors from Bacillus subtilis discriminate between overlapping promoters for a developmentally regulated gene
1983 Nature
Replacement of the Bacillus subtilis subtilisin structural gene with an In vitro-derived deletion mutation
1984
Mapping of mRNA encoding endoglucanase A from Clostridium thermocellum
1986
A new type of cohesin domain that specifically binds the dockerin domain of the Clostridium thermocellum cellulosome-integrating protein CipA
1996
Probable involvement of sulfhydryl groups and a metal as essential components of the cellulase of Clostridium thermocellum
1984
Export and secretion of proteins by bacteria
1985
Protein Degradation and Proteinases during Yeast Sporulation
1976
Ultrastructure of the cell surface cellulosome of Clostridium thermocellum and its interaction with cellulose
1986
Cellulase families and their genes
1987
High ethanol tolerance of new isolates of Clostridium thermocellum strains SS21 and SS22
1999
Synthesis of Transportation Fuels from Biomass: Chemistry, Catalysts, and Engineering
2006 Standout
The Cellulosome: An Exocellular, Multiprotein Complex Specialized in Cellulose Degradation
1996
Nudeotide sequence of the BsuRI restriction-modification system
1985 StandoutNobel
Isolation and properties of a major cellobiohydrolase from the cellulosome of Clostridium thermocellum
1991
Purification and characterization of endoglucanase Ss from Clostridium thermocellum
1991
Adherence of Clostridium thermocellum to cellulose
1983
Macromolecular Organization of the Cellulolytic Enzyme Complex of Clostridium thermocellum as Revealed by Electron Microscopy
1987
Engineered bidirectional communication mediates a consensus in a microbial biofilm consortium
2007 StandoutNobel
Novel Copper(II) Complex ofN-Propyl-norfloxacin and 1,10-Phenanthroline with Enhanced Antileukemic and DNA Nuclease Activities
2008
Molecular Mechanisms of Mammalian DNA Repair and the DNA Damage Checkpoints
2004 StandoutNobel
Sulfur Diagenesis in Everglades Peat and Origin of Pyrite in Coal
1983 StandoutScience
The cellulase of the anaerobic bacterium Clostridium thermocellum: Isolation, dissociation, and reassociation of the cellulosome
1992
CelE, a Multidomain Cellulase from Clostridium cellulolyticum : a Key Enzyme in the Cellulosome?
2000
Characterization of endoglucanase A from Clostridium cellulolyticum
1991
Biomass Recalcitrance: Engineering Plants and Enzymes for Biofuels Production
2007 StandoutScience
Works of J Millet being referenced
Caractérisation d'une endopeptidase cytoplasmique chez Bacillus megaterium en voie de sporulation.
1971
High activity of inclusion bodies formed in Escherichia coli overproducing Clostridium thermocellum endoglucanase D
1991
Spécificité “hydrophobique” d'une endopeptidase isolée de Bacillus megaterium
1968
Identification of a histidyl residue in the active center of endoglucanase D from Clostridium thermocellum
1991
Characterization of Two Cel (Cellulose Degradation) Genes of Clostridium Thermocellum Coding for Endoglucanases
1983
Cloning and expression in Escherichia coli of Clostridium thermocellum genes coding for amino acid synthesis and cellulose hydrolysis
1983
Characterization of Bacillus subtilis mutants with a temperature-sensitive intracellular protease
1983
[Characterization of 2 endopeptidases excreted by B. subtilis Marburg during sporulation].
1969
Cellulose degradation byClostridium thermocellum: From manure to molecular biology
1992
[Sulfite as an intermediate in the reduction of sulfate by Desulfovibrio desulfuricans].
1955
Catabolic repression of bacterial sporulation.
1965 Standout
A catalogue of Clostridium thermocellum endoglucanase, β-glucosidase and xylanase genes cloned in Escherichia coli
1988
Cellulose Fermentation by an Asporogenous Mutant and an Ethanol-Tolerant Mutant of Clostridium thermocellum
1989
Physiological Studies on Early‐blocked Sporulation Mutants of Bacillus subtilis
1970
The cloned cel (cellulose degradation) genes of Clostridium thermocellum and their products.
1987
Isolation, Crystallization and Properties of a New Cellulase of Clostridium thermocellum Overproduced in Escherichia coli
1986
Characterization of an intracellular protease in B.,subtilis during sporulation
1972
Enhanced Cellulose Fermentation by an Asporogenous and Ethanol-Tolerant Mutant of Clostridium thermocellum
1989
Ethanol production by Clostridium thermocellum grown on hydrothermally and organosolv-pretreated lignocellulosic materials
1988
Cloning of ten distinct DNA fragments ofClostridium thermocellumcoding for cellulases
1985
Identification of the endoglucanase encoded by the celB gene of Clostridium thermocellum
1983
L'acide N-succinyl-l (+) glutamique chez Bacillus megaterium en voie de sporulation
1961
Ultrastructure and extreme heat resistance of spores from thermophilic Clostridium species
1983
Cloning and expression in Saccharomyces cerevisiae of a cellulase gene from Clostridium thermocellum
1984
Spécificité de la mégatériopeptidase: une amino‐endopeptidase à caractère hydrophobe
1969
[Physiological role of cytochrome C in the chemoautotrophic bacterium Thiobacillus denitrificans].
1958
Heterologous hybridization of bacterial DNA to the endoglucanases A and B structural genes celA and celB of Clostridium thermocellum
1985
Characterization of Proteinases Excreted by Bacillus subtilis Marburg Strain during Sporulation
1970
[Characterization of a cytoplasmic endopeptidase in Bacillus megaterium undergoing sporulation].
1971
Molecular cloning of a gene for a thermostable β-glucosidase from Clostridium thermocellum into Escherichia coli
1988
Bacterial cellulases
1992
Cellulose degradation by Clostridium thermocellum: From manure to molecular biology
1992
Purification and properties of the endoglucanase C of Clostridium thermocellum produced in Escherichia coli
1986
Purification and properties of an endo-β-1,4-glucanase from Clostridium thermocellum
1981