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(-) Description

Title :  THE STRUCTURE OF A MODULAR ENDO-BETA-1,4-MANNANASE FROM CELLULOMONAS FIMI EXPLAINS THE PRODUCT SPECIFICITY OF GLYCOSIDE HYDROLASE FAMILY 26 MANNANASES.
 
Authors :  J. Le Nours, L. Anderson, D. Stoll, H. Stalbrand, L. Lo Leggio
Date :  04 Jul 05  (Deposition) - 26 Sep 05  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Hydrolase, Glycoside Hydrolase, Beta-1, 4-Mannanase, Family 26, Clan Gh-A, Cellulomonas Fimi (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Le Nours, L. Anderson, D. Stoll, H. Stalbrand, L. Lo Leggio
The Structure And Characterization Of A Modular Endo-Beta-1, 4-Mannanase From Cellulomonas Fimi
Biochemistry V. 44 12700 2005
PubMed-ID: 16171384  |  Reference-DOI: 10.1021/BI050779V

(-) Compounds

Molecule 1 - BETA-1,4-MANNANASE
    Atcc: 484
    Chains: A, B
    EC Number: 3.2.1.78
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28B
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 52-514
    Organism Scientific: CELLULOMONAS FIMI
    Organism Taxid: 1708
    Synonym: MAN26A

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 8)

Asymmetric Unit (2, 8)
No.NameCountTypeFull Name
1BMA6Ligand/IonBETA-D-MANNOSE
2CAC2Ligand/IonCACODYLATE ION
Biological Unit 1 (2, 4)
No.NameCountTypeFull Name
1BMA3Ligand/IonBETA-D-MANNOSE
2CAC1Ligand/IonCACODYLATE ION
Biological Unit 2 (2, 4)
No.NameCountTypeFull Name
1BMA3Ligand/IonBETA-D-MANNOSE
2CAC1Ligand/IonCACODYLATE ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:78 , TRP A:322 , PHE A:325 , GLN A:329 , BMA A:501 , CAC A:600BINDING SITE FOR RESIDUE BMA A 500
2AC2SOFTWAREASN A:77 , GLU A:78 , BMA A:500 , BMA A:502BINDING SITE FOR RESIDUE BMA A 501
3AC3SOFTWAREASN A:77 , ARG A:79 , BMA A:501BINDING SITE FOR RESIDUE BMA A 502
4AC4SOFTWAREGLU B:78 , TRP B:322 , PHE B:325 , GLN B:329 , BMA B:501 , CAC B:600BINDING SITE FOR RESIDUE BMA B 500
5AC5SOFTWAREASN B:77 , GLU B:78 , BMA B:500 , BMA B:502BINDING SITE FOR RESIDUE BMA B 501
6AC6SOFTWAREASN B:77 , ARG B:79 , BMA B:501BINDING SITE FOR RESIDUE BMA B 502
7AC7SOFTWAREHIS A:113 , HIS A:174 , GLU A:175 , PHE A:181 , GLU A:282 , TRP A:322 , BMA A:500BINDING SITE FOR RESIDUE CAC A 600
8AC8SOFTWAREHIS B:113 , HIS B:174 , GLU B:175 , PHE B:181 , GLU B:282 , TRP B:322 , BMA B:500BINDING SITE FOR RESIDUE CAC B 600

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2BVT)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Arg A:79 -Pro A:80
2Ser A:379 -Pro A:380
3Arg B:79 -Pro B:80
4Ser B:379 -Pro B:380

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2BVT)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2BVT)

(-) Exons   (0, 0)

(no "Exon" information available for 2BVT)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:452
 aligned with Q9XCV5_CELFI | Q9XCV5 from UniProtKB/TrEMBL  Length:1010

    Alignment length:464
                                    64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514    
         Q9XCV5_CELFI    55 TIAIVDADATAETRSLLSYLDGVRGEGILFGHQHTTSFGLTTGPTDGTTSDVKNVTGDFPAVFGWDTLIIEGNERPGLAENTRDENIALFADYIRKADAIGGVNTVSAHVENFVTGGSFYDTSGDTLRAVLPGGSHHAELVAYLDDIAELADASRRDDGTLIPIVFRPWHENAGSWFWWGAAYGSPGEYQELYRFTVEYLRDVKGVSNFLYAWGPGGGFGGNRDVYLRTYPGDAFVDVLGLDTYDSTGSDAFLAGLVADLRMIAEIADEKGKVSAFTEFGVSGGVGTNGSSPAQWFTKVLAAIKADPVASRNAYMETWANFDAGQHFVPVPGDALLEDFQAYAADPFTLFASEVTGAFDRTVAAAPAQPVVHIASPADGARVASAPTTVRVRVGGTDVQSVTVEVAQGGTVVDTLDLAYDGALWWTAPWSPTSAQLDNSTYTVTATATTAAGTLDVTNEVVLGP 518
               SCOP domains d2bvta2 A:5-370 Mannanase A, ManA                                                                                                                                                                                                                                                                                                                                             d2bvta1 A:371-464 Beta-1,4-mannanase doma   in 2 (postcatalytic)                              ---- SCOP domains
               CATH domains 2bvtA01 A:5-371 Glycosidases                                                                                                                                                                                                                                                                                                                                                   ------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........hhhhhhhhhhhhhhh...eeeeee................hhhhhhhh....eeeeehhhhhh.........hhhhhhhhhhhhhhhhhhhh.eeeee.................hhhhhhh....hhhhhhhhhhhhhhhhhhh.........eeee............hhhhhhhhhhhhhhhhhhhhhhh......eeeee........hhhhhhh.........ee..eeee...hhhhhhhhhhhhhhhhhhhhhhh.ee...eeee............hhhhhhhhhhhhh.......eeee.................hhhhhhhhhhh..ee.hhhh...............eeeeee.....ee....eeeeeeee...eeeeeeeee.---..eeee.ee.....eeeee..---------.eeeeeeee..eeeeeeee.ee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2bvt A   5 TIAIVDADATAETRSLLSYLDGVRGEGILFGHQHTTSFGLTTGPTDGTTSDVKNVTGDFPAVFGWDTLIIEGNERPGLAENTRDENIALFADYIRKADAIGGVNTVSAHVENFVTGGSFYDTSGDTLRAVLPGGSHHAELVAYLDDIAELADASRRDDGTLIPIVFRPWHENAGSWFWWGAAYGSPGEYQELYRFTVEYLRDVKGVSNFLYAWGPGGGFGGNRDVYLRTYPGDAFVDVLGLDTYDSTGSDAFLAGLVADLRMIAEIADEKGKVSAFTEFGVSGGVGTNGSSPAQWFTKVLAAIKADPVASRNAYMETWANFDAGQHFVPVPGDALLEDFQAYAADPFTLFASEVTGAFDRTVAAAPAQPVVHIASPADGARVASAPTTVRVRVGGTDVQSVTVEVAQ---VVDTLDLAYDGALWWTAPWSP---------YTVTATATTAAGTLDVTNEVAAAL 468
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404      |  -|      424       434|        -|      454       464    
                                                                                                                                                                                                                                                                                                                                                                                                                                                411 415                 435       445                       


Chain B from PDB  Type:PROTEIN  Length:452
 aligned with Q9XCV5_CELFI | Q9XCV5 from UniProtKB/TrEMBL  Length:1010

    Alignment length:464
                                    64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514    
         Q9XCV5_CELFI    55 TIAIVDADATAETRSLLSYLDGVRGEGILFGHQHTTSFGLTTGPTDGTTSDVKNVTGDFPAVFGWDTLIIEGNERPGLAENTRDENIALFADYIRKADAIGGVNTVSAHVENFVTGGSFYDTSGDTLRAVLPGGSHHAELVAYLDDIAELADASRRDDGTLIPIVFRPWHENAGSWFWWGAAYGSPGEYQELYRFTVEYLRDVKGVSNFLYAWGPGGGFGGNRDVYLRTYPGDAFVDVLGLDTYDSTGSDAFLAGLVADLRMIAEIADEKGKVSAFTEFGVSGGVGTNGSSPAQWFTKVLAAIKADPVASRNAYMETWANFDAGQHFVPVPGDALLEDFQAYAADPFTLFASEVTGAFDRTVAAAPAQPVVHIASPADGARVASAPTTVRVRVGGTDVQSVTVEVAQGGTVVDTLDLAYDGALWWTAPWSPTSAQLDNSTYTVTATATTAAGTLDVTNEVVLGP 518
               SCOP domains d2bvtb2 B:5-370 Mannanase A, ManA                                                                                                                                                                                                                                                                                                                                             d2bvtb1 B:371-468 Beta-1,4-mannanase doma   in 2 (postcatalytic)                                   SCOP domains
               CATH domains 2bvtB01 B:5-371 Glycosidases                                                                                                                                                                                                                                                                                                                                                   ------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........hhhhhhhhhhhhhhh...eeeeee................hhhhhhhh....eeeeehhhhhh.........hhhhhhhhhhhhhhhhhhhh.eeeee.................hhhhhhh....hhhhhhhhhhhhhhhhhhh.........eeee............hhhhhhhhhhhhhhhhhhhhhhh......eeeee........hhhhhhh.........ee..eeee...hhhhhhhhhhhhhhhhhhhhhhh.ee...eeee............hhhhhhhhhhhhh.......eeee.................hhhhhhhhhhh..ee.hhhh...............eeeeee.....ee....eeeeeeee...eeeeeeeee.---..eeee.ee.....eeeee..---------.eeeeeeee..eeeeeeee.ee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2bvt B   5 TIAIVDADATAETRSLLSYLDGVRGEGILFGHQHTTSFGLTTGPTDGTTSDVKNVTGDFPAVFGWDTLIIEGNERPGLAENTRDENIALFADYIRKADAIGGVNTVSAHVENFVTGGSFYDTSGDTLRAVLPGGSHHAELVAYLDDIAELADASRRDDGTLIPIVFRPWHENAGSWFWWGAAYGSPGEYQELYRFTVEYLRDVKGVSNFLYAWGPGGGFGGNRDVYLRTYPGDAFVDVLGLDTYDSTGSDAFLAGLVADLRMIAEIADEKGKVSAFTEFGVSGGVGTNGSSPAQWFTKVLAAIKADPVASRNAYMETWANFDAGQHFVPVPGDALLEDFQAYAADPFTLFASEVTGAFDRTVAAAPAQPVVHIASPADGARVASAPTTVRVRVGGTDVQSVTVEVAQ---VVDTLDLAYDGALWWTAPWSP---------YTVTATATTAAGTLDVTNEVAAAL 468
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404      |  -|      424       434|        -|      454       464    
                                                                                                                                                                                                                                                                                                                                                                                                                                                411 415                 435       445
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 4)

Asymmetric Unit
(-)
Class: All beta proteins (24004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2BVT)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q9XCV5_CELFI | Q9XCV5)
molecular function
    GO:0008810    cellulase activity    Catalysis of the endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans.
    GO:0004553    hydrolase activity, hydrolyzing O-glycosyl compounds    Catalysis of the hydrolysis of any O-glycosyl bond.
    GO:0016985    mannan endo-1,4-beta-mannosidase activity    Catalysis of the random hydrolysis of (1->4)-beta-D-mannosidic linkages in mannans, galactomannans, glucomannans, and galactoglucomannans.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0030245    cellulose catabolic process    The chemical reactions and pathways resulting in the breakdown of cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation.
    GO:0006080    substituted mannan metabolic process    The chemical reactions and pathways involving a mannan backbone composed of D-mannose unites, substituted with D-glucose and/or D-galactose units.

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  2bvt
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  3.2.1.78
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/TrEMBL
        Q9XCV5_CELFI | Q9XCV5: 2bvy 2x2y

(-) Related Entries Specified in the PDB File

2bvy THE STRUCTURE OF A MODULAR ENDO-BETA-1,4 -MANNANASE FROM CELLULOMONAS FIMI EXPLAINS THE PRODUCT SPECIFICITY OF GLYCOSIDE HYDROLASE FAMILY 26 MANNANASES.