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(-) Description

Title :  ANATOMY OF GLYCOSYNTHESIS: STRUCTURE AND KINETICS OF THE HUMICOLA INSOLENS CEL7BE197A AND E197S GLYCOSYNTHASE MUTANTS
 
Authors :  V. M. -A. Ducros, C. A. Tarling, D. L. Zechel, A. M. Brzozowski, T. P. Frandsen, I. Von Ossowski, M. Schulein, S. G. Withers, G. J. Davies
Date :  10 Jul 03  (Deposition) - 07 Jan 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.40
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Hydrolase, Cellulose Degradation, Glycosynthase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  V. M. -A. Ducros, C. A. Tarling, D. L. Zechel, A. M. Brzozowski, T. P. Frandsen, I. Von Ossowski, M. Schulein, S. G. Withers, G. J. Davies
Anatomy Of Glycosynthesis: Structure And Kinetics Of The Humicola Insolens Cel7B E197A And E197S Glycosynthase Mutants
Chem. Biol. V. 10 619 2003
PubMed-ID: 12890535  |  Reference-DOI: 10.1016/S1074-5521(03)00143-1

(-) Compounds

Molecule 1 - ENDOGLUCANASE I
    ChainsA, B
    EC Number3.2.1.4
    EngineeredYES
    Expression SystemASPERGILLUS ORYZAE
    Expression System Taxid5062
    MutationYES
    Organism ScientificHUMICOLA INSOLENS
    Organism Taxid34413
    SynonymENDO-1,4-BETA-GLUCANASE

 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  (5, 12)

Asymmetric Unit (5, 12)
No.NameCountTypeFull Name
1BGC2Ligand/IonBETA-D-GLUCOSE
2GAL4Ligand/IonBETA-D-GALACTOSE
3GLC2Ligand/IonALPHA-D-GLUCOSE
4NAG2Ligand/IonN-ACETYL-D-GLUCOSAMINE
5PCA2Mod. Amino AcidPYROGLUTAMIC ACID
Biological Unit 1 (5, 6)
No.NameCountTypeFull Name
1BGC1Ligand/IonBETA-D-GLUCOSE
2GAL2Ligand/IonBETA-D-GALACTOSE
3GLC1Ligand/IonALPHA-D-GLUCOSE
4NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE
5PCA1Mod. Amino AcidPYROGLUTAMIC ACID
Biological Unit 2 (5, 6)
No.NameCountTypeFull Name
1BGC1Ligand/IonBETA-D-GLUCOSE
2GAL2Ligand/IonBETA-D-GALACTOSE
3GLC1Ligand/IonALPHA-D-GLUCOSE
4NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE
5PCA1Mod. Amino AcidPYROGLUTAMIC ACID

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREHIS A:209 , ASN A:237 , ARG A:245 , GAL A:1403 , HOH A:2219BINDING SITE FOR RESIDUE BGC A1400
02AC2SOFTWAREGLN A:175 , HIS A:213 , LYS A:236 , ASN A:237 , TRP A:356 , BGC A:1400 , HOH A:2172 , HOH A:2331 , HOH A:2332BINDING SITE FOR RESIDUE GAL A1403
03AC3SOFTWAREASN A:143 , ALA A:145 , TYR A:147 , TYR A:171 , ASP A:173 , GLN A:175 , PHE A:177 , SER A:197 , ASP A:199 , GLU A:202 , TRP A:347 , GAL A:1402 , HOH A:2330BINDING SITE FOR RESIDUE GLC A1401
04AC4SOFTWAREARG A:108 , TYR A:147 , SER A:345 , TRP A:347 , GLC A:1401 , HOH A:2118 , HOH A:2328 , HOH A:2329 , HOH A:2330BINDING SITE FOR RESIDUE GAL A1402
05AC5SOFTWAREASN A:247 , ASN A:300 , LYS A:301 , GLU A:302 , HOH A:2333BINDING SITE FOR RESIDUE NAG A1404
06AC6SOFTWAREASN B:247 , ASN B:300 , LYS B:301 , GLU B:302 , HOH B:2199BINDING SITE FOR RESIDUE NAG B1399
07AC7SOFTWAREHIS B:209 , ASN B:237 , ARG B:245 , GAL B:1404BINDING SITE FOR RESIDUE BGC B1401
08AC8SOFTWAREGLN B:175 , HIS B:213 , LYS B:236 , ASN B:237 , TRP B:356 , BGC B:1401 , HOH B:2161 , HOH B:2309BINDING SITE FOR RESIDUE GAL B1404
09AC9SOFTWAREASN B:143 , ALA B:145 , TYR B:147 , TYR B:171 , ASP B:173 , GLN B:175 , PHE B:177 , SER B:197 , ASP B:199 , GLU B:202 , TRP B:347 , GAL B:1403 , HOH B:2305BINDING SITE FOR RESIDUE GLC B1402
10BC1SOFTWAREARG B:108 , TYR B:147 , SER B:345 , TRP B:347 , GLC B:1402 , HOH B:2305 , HOH B:2306 , HOH B:2307 , HOH B:2308BINDING SITE FOR RESIDUE GAL B1403

(-) SS Bonds  (18, 18)

Asymmetric Unit
No.Residues
1A:18 -A:24
2A:51 -A:73
3A:63 -A:69
4A:140 -A:365
5A:172 -A:195
6A:176 -A:194
7A:215 -A:234
8A:223 -A:228
9A:239 -A:315
10B:18 -B:24
11B:51 -B:73
12B:63 -B:69
13B:140 -B:365
14B:172 -B:195
15B:176 -B:194
16B:215 -B:234
17B:223 -B:228
18B:239 -B:315

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1OJJ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1OJJ)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1OJJ)

(-) Exons   (0, 0)

(no "Exon" information available for 1OJJ)

(-) 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:399
 aligned with GUN1_HUMIN | P56680 from UniProtKB/Swiss-Prot  Length:402

    Alignment length:399
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390         
           GUN1_HUMIN     1 QKPGETKEVHPQLTTFRCTKRGGCKPATNFIVLDSLSHPIHRAEGLGPGGCGDWGNPPPKDVCPDVESCAKNCIMEGIPDYSQYGVTTNGTSLRLQHILPDGRVPSPRVYLLDKTKRRYEMLHLTGFEFTFDVDATKLPCGMNSALYLSEMHPTGAKSKYNPGGAYYGTGYCDAQCFVTPFINGLGNIEGKGSCCNEMDIWEANSRASHVAPHTCNKKGLYLCEGEECAFEGVCDKNGCGWNNYRVNVTDYYGRGEEFKVNTLKPFTVVTQFLANRRGKLEKIHRFYVQDGKVIESFYTNKEGVPYTNMIDDEFCEATGSRKYMELGATQGMGEALTRGMVLAMSIWWDQGGNMEWLDHGEAGPCAKGEGAPSNIVQVEPFPEVTYTNLRWGEIGSTYQ 399
               SCOP domains d1ojja_ A: Cellobiohydrolase I (cellulase, Endoglucanase I, CBH1)                                                                                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains -1ojjA00 A:2-399 1,4-Beta-D-Glucan Cellobiohydrolase I, subunit A                                                                                                                                                                                                                                                                                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........eeeeeeee...eeeeeeeeeee.hhhh.eee......................hhhhhhhheee....hhhhh.eeee..eeeee...........eeeee...............eeeeeee............................hhhhhh........ee..ee..ee.....eee..........................eeehhhhhh............hhhhhh....ee......ee....eeeeeeeee.....eeeeeeeeee..eee................hhhhhhhh.hhhhhhhhhhhhhhhhhhhheeeeeeee......hhhhhhhhhh.......hhhhhhhhh...eeeeeeeeee....... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ojj A   1 xKPGETKEVHPQLTTFRCTKRGGCKPATNFIVLDSLSHPIHRAEGLGPGGCGDWGNPPPKDVCPDVESCAKNCIMEGIPDYSQYGVTTNGTSLRLQHILPDGRVPSPRVYLLDKTKRRYEMLHLTGFEFTFDVDATKLPCGMNSALYLSEMHPTGAKSKYNPGGAYYGTGYCDAQCFVTPFINGLGNIEGKGSCCNSMDIWEANSRASHVAPHTCNKKGLYLCEGEECAFEGVCDKNGCGWNNYRVNVTDYYGRGEEFKVNTLKPFTVVTQFLANRRGKLEKIHRFYVQDGKVIESFYTNKEGVPYTNMIDDEFCEATGSRKYMELGATQGMGEALTRGMVLAMSIWWDQGGNMEWLDHGEAGPCAKGEGAPSNIVQVEPFPEVTYTNLRWGEIGSTYQ 399
                            |       10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390         
                            |                                                                                                                                                                                                                                                                                                                                                                                                              
                            1-PCA                                                                                                                                                                                                                                                                                                                                                                                                          

Chain B from PDB  Type:PROTEIN  Length:399
 aligned with GUN1_HUMIN | P56680 from UniProtKB/Swiss-Prot  Length:402

    Alignment length:399
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390         
           GUN1_HUMIN     1 QKPGETKEVHPQLTTFRCTKRGGCKPATNFIVLDSLSHPIHRAEGLGPGGCGDWGNPPPKDVCPDVESCAKNCIMEGIPDYSQYGVTTNGTSLRLQHILPDGRVPSPRVYLLDKTKRRYEMLHLTGFEFTFDVDATKLPCGMNSALYLSEMHPTGAKSKYNPGGAYYGTGYCDAQCFVTPFINGLGNIEGKGSCCNEMDIWEANSRASHVAPHTCNKKGLYLCEGEECAFEGVCDKNGCGWNNYRVNVTDYYGRGEEFKVNTLKPFTVVTQFLANRRGKLEKIHRFYVQDGKVIESFYTNKEGVPYTNMIDDEFCEATGSRKYMELGATQGMGEALTRGMVLAMSIWWDQGGNMEWLDHGEAGPCAKGEGAPSNIVQVEPFPEVTYTNLRWGEIGSTYQ 399
               SCOP domains d1ojjb_ B: Cellobiohydrolase I (cellulase, Endoglucanase I, CBH1)                                                                                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains -1ojjB00 B:2-399 1,4-Beta-D-Glucan Cellobiohydrolase I, subunit A                                                                                                                                                                                                                                                                                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........eeeeeeee...eeeeeeeeeee.hhhh.eee......................hhhhhhhheee....hhhhh.eeee..eeeee...........eeeee...............eeeeeee........eeeeeee.............hhhhhh........ee..ee..ee.....eee..eeeeeee....eeeeee.......eeehhhhhh............hhhhhh....ee......ee....eeeeeeeee.....eeeeeeeeee..eee................hhhhhhhh.hhhhhhhhhhhhhhhhhhhh.eeeeeee......hhhhhhhhhh.......hhhhhhhhh...eeeeeeeeee....... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ojj B   1 xKPGETKEVHPQLTTFRCTKRGGCKPATNFIVLDSLSHPIHRAEGLGPGGCGDWGNPPPKDVCPDVESCAKNCIMEGIPDYSQYGVTTNGTSLRLQHILPDGRVPSPRVYLLDKTKRRYEMLHLTGFEFTFDVDATKLPCGMNSALYLSEMHPTGAKSKYNPGGAYYGTGYCDAQCFVTPFINGLGNIEGKGSCCNSMDIWEANSRASHVAPHTCNKKGLYLCEGEECAFEGVCDKNGCGWNNYRVNVTDYYGRGEEFKVNTLKPFTVVTQFLANRRGKLEKIHRFYVQDGKVIESFYTNKEGVPYTNMIDDEFCEATGSRKYMELGATQGMGEALTRGMVLAMSIWWDQGGNMEWLDHGEAGPCAKGEGAPSNIVQVEPFPEVTYTNLRWGEIGSTYQ 399
                            |       10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390         
                            1-PCA                                                                                                                                                                                                                                                                                                                                                                                                          

   Legend:   → Mismatch (orange background)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

Asymmetric Unit

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1OJJ)

(-) Gene Ontology  (9, 9)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (GUN1_HUMIN | P56680)
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:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0016798    hydrolase activity, acting on glycosyl bonds    Catalysis of the hydrolysis of any glycosyl bond.
    GO:0004553    hydrolase activity, hydrolyzing O-glycosyl compounds    Catalysis of the hydrolysis of any O-glycosyl bond.
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:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0000272    polysaccharide catabolic process    The chemical reactions and pathways resulting in the breakdown of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

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

UniProtKB/Swiss-Prot
        GUN1_HUMIN | P566801a39 1dym 1oji 1ojk 2a39

(-) Related Entries Specified in the PDB File

1a39 HUMICOLA INSOLENS ENDOCELLULASE EGI S37W, P39W DOUBLE-MUTANT
1dym HUMICOLA INSOLENS ENDOCELLULASE CEL7B (EG 1) E197A MUTANT
1oji ANATOMY OF GLYCOSYNTHESIS: STRUCTURE AND KINETICS OF THE HUMICOLA INSOLENS CEL7BE197A AND E197S GLYCOSYNTHASE MUTANTS
1ojk ANATOMY OF GLYCOSYNTHESIS: STRUCTURE AND KINETICS OF THE HUMICOLA INSOLENS CEL7BE197A AND E197S GLYCOSYNTHASE MUTANTS
2a39 HUMICOLA INSOLENS ENDOCELLULASE EGI NATIVE STRUCTURE