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(-) Description

Title :  C. IMMITIS CHITINASE 1 AT 2.2 ANGSTROMS RESOLUTION
 
Authors :  T. Hollis, A. F. Monzingo, K. Bortone, S. R. Ernst, R. Cox, J. D. Robertus
Date :  23 Sep 99  (Deposition) - 27 Sep 00  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A
Keywords :  Beta-Alpha Barrel, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  T. Hollis, A. F. Monzingo, K. Bortone, S. Ernst, R. Cox, J. D. Robertus
The X-Ray Structure Of A Chitinase From The Pathogenic Fungus Coccidioides Immitis.
Protein Sci. V. 9 544 2000
PubMed-ID: 10752616
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CHITINASE 1
    Chains: A
    EC Number: 3.2.1.14
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: RESIDUES 36-427
    Organism Scientific: COCCIDIOIDES IMMITIS
    Organism Taxid: 5501

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1D2K)

(-) Sites  (0, 0)

(no "Site" information available for 1D2K)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1D2K)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Ala A:70 -Phe A:71
2Glu A:171 -Tyr A:172
3Met A:325 -Pro A:326
4Trp A:378 -Glu A:379

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (2, 2)

Asymmetric/Biological Unit (2, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_CHI1_COCPS_003 *N103KCHI1_COCPS  ---  ---AN103K
2UniProtVAR_CHI1_COCPS_004 *I109TCHI1_COCPS  ---  ---AI109T
   * ID not provided by source
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CHITINASE_18PS01095 Chitinases family 18 active site.CHI1_COCP7163-171  1A:163-171
CHI1_COCPS163-171  1A:163-171

(-) Exons   (0, 0)

(no "Exon" information available for 1D2K)

(-) Sequences/Alignments

Asymmetric/Biological 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:392
 aligned with CHI1_COCP7 | C5P230 from UniProtKB/Swiss-Prot  Length:427

    Alignment length:392
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425  
           CHI1_COCP7    36 GGFRSVVYFVNWAIYGRGHNPQDLKADQFTHILYAFANIRPSGEVYLSDTWADTDKHYPGDKWDEPGKNVYGCTKQMYLLKKNNRNLKTLLSIGGWTYSPNFKTPASTEEGRKKFADTSLKLMKDLGFDGIDIDWEYPEDEKQANDFVLLLKACREALDAYSAKHPNGKKFLLTIASPAGPQNYNKLKLAEMDKYLDFWNLMAYDFSGSWDKVSGHMSNVFPSTTKPESTPFSSDKAVKDYIKAGVPANKIVLGMPLYGRAFASTDGIGTSFNGVGGGSWENGVWDYKDMPQQGAQVTELEDIAASYSYDKNKRYLISYDTVKIAGKKAEYITKNGMGGGMWWESSSDKTGNESLVGTVVNGLGGTGKLEQRENELSYPESVYDNLKNGMPS 427
               SCOP domains d1d2ka1 A:36-292,A:355-427 Chitinase 1                                                                                                                                                                                                                           d1d2ka2 A:293-354 Chitinase 1                                 d1d2ka1 A:36-292,A:355-427 Chitinase 1                                    SCOP domains
               CATH domains 1d2kA01 A:36-291,A:355-427 Glycosidases                                                                                                                                                                                                                         1d2kA02 A:292-354  [code=3.10.50.10, no name defined]          1d2kA01 A:36-291,A:355-427 Glycosidases                                   CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee.hhhh....hhhhhhhhhh.eeeeeeeee.....eee.hhhhhh................hhhhhhhhhhhhhh...eeeeeeehhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeee.....hhhhhhhhhhhhhhhhhhhhhhhhh.......eeeeeee.hhhhhh..hhhhhhh...eeeee.......................hhhhh..hhhhhhhhhhhh..hhh.eeeeee.eeeee.....................eee.hhh.....eeeee....eeeeee....eeee..hhhhhhhhhhhhhhh...eeeee..........hhhhhhhhhhhhhhh..............hhhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------K-----T------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------CHITINASE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1d2k A  36 GGFRSVVYFVNWAIYGRGHNPQDLKADQFTHILYAFANIRPSGEVYLSDTWADTDKHYPGDKWDEPGNNVYGCIKQMYLLKKNNRNLKTLLSIGGWTYSPNFKTPASTEEGRKKFADTSLKLMKDLGFDGIDIDWEYPEDEKQANDFVLLLKACREALDAYSAKHPNGKKFLLTIASPAGPQNYNKLKLAEMDKYLDFWNLMAYDFSGSWDKVSGHMSNVFPSTTKPESTPFSSDKAVKDYIKAGVPANKIVLGMPLYGRAFASTDGIGTSFNGVGGGSWENGVWDYKDMPQQGAQVTELEDIAASYSYDKNKRYLISYDTVKIAGKKAEYITKNGMGGGMWWESSSDKTGNESLVGTVVNGLGGTGKLEQRENELSYPESVYDNLKNGMPS 427
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425  


Chain A from PDB  Type:PROTEIN  Length:392
 aligned with CHI1_COCPS | P0CB51 from UniProtKB/Swiss-Prot  Length:427

    Alignment length:392
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425  
           CHI1_COCPS    36 GGFRSVVYFVNWAIYGRGHNPQDLKADQFTHILYAFANIRPSGEVYLSDTWADTDKHYPGDKWDEPGNNVYGCIKQMYLLKKNNRNLKTLLSIGGWTYSPNFKTPASTEEGRKKFADTSLKLMKDLGFDGIDIDWEYPEDEKQANDFVLLLKACREALDAYSAKHPNGKKFLLTIASPAGPQNYNKLKLAEMDKYLDFWNLMAYDFSGSWDKVSGHMSNVFPSTTKPESTPFSSDKAVKDYIKAGVPANKIVLGMPLYGRAFASTDGIGTSFNGVGGGSWENGVWDYKDMPQQGAQVTELEDIAASYSYDKNKRYLISYDTVKIAGKKAEYITKNGMGGGMWWESSSDKTGNESLVGTVVNGLGGTGKLEQRENELSYPESVYDNLKNGMPS 427
               SCOP domains d1d2ka1 A:36-292,A:355-427 Chitinase 1                                                                                                                                                                                                                           d1d2ka2 A:293-354 Chitinase 1                                 d1d2ka1 A:36-292,A:355-427 Chitinase 1                                    SCOP domains
               CATH domains 1d2kA01 A:36-291,A:355-427 Glycosidases                                                                                                                                                                                                                         1d2kA02 A:292-354  [code=3.10.50.10, no name defined]          1d2kA01 A:36-291,A:355-427 Glycosidases                                   CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee.hhhh....hhhhhhhhhh.eeeeeeeee.....eee.hhhhhh................hhhhhhhhhhhhhh...eeeeeeehhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeee.....hhhhhhhhhhhhhhhhhhhhhhhhh.......eeeeeee.hhhhhh..hhhhhhh...eeeee.......................hhhhh..hhhhhhhhhhhh..hhh.eeeeee.eeeee.....................eee.hhh.....eeeee....eeeeee....eeee..hhhhhhhhhhhhhhh...eeeee..........hhhhhhhhhhhhhhh..............hhhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------K-----T------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------CHITINASE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1d2k A  36 GGFRSVVYFVNWAIYGRGHNPQDLKADQFTHILYAFANIRPSGEVYLSDTWADTDKHYPGDKWDEPGNNVYGCIKQMYLLKKNNRNLKTLLSIGGWTYSPNFKTPASTEEGRKKFADTSLKLMKDLGFDGIDIDWEYPEDEKQANDFVLLLKACREALDAYSAKHPNGKKFLLTIASPAGPQNYNKLKLAEMDKYLDFWNLMAYDFSGSWDKVSGHMSNVFPSTTKPESTPFSSDKAVKDYIKAGVPANKIVLGMPLYGRAFASTDGIGTSFNGVGGGSWENGVWDYKDMPQQGAQVTELEDIAASYSYDKNKRYLISYDTVKIAGKKAEYITKNGMGGGMWWESSSDKTGNESLVGTVVNGLGGTGKLEQRENELSYPESVYDNLKNGMPS 427
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425
   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, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (2, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1D2K)

(-) Gene Ontology  (9, 18)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CHI1_COCP7 | C5P230)
molecular function
    GO:0008061    chitin binding    Interacting selectively and non-covalently with chitin, a linear polysaccharide consisting of beta-(1->4)-linked N-acetyl-D-glucosamine residues.
    GO:0004568    chitinase activity    Catalysis of the hydrolysis of (1->4)-beta linkages of N-acetyl-D-glucosamine (GlcNAc) polymers of chitin and chitodextrins.
    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:0006032    chitin catabolic process    The chemical reactions and pathways resulting in the breakdown of chitin, a linear polysaccharide consisting of beta-(1->4)-linked N-acetyl-D-glucosamine residues.
    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.

Chain A   (CHI1_COCPS | P0CB51)
molecular function
    GO:0008061    chitin binding    Interacting selectively and non-covalently with chitin, a linear polysaccharide consisting of beta-(1->4)-linked N-acetyl-D-glucosamine residues.
    GO:0004568    chitinase activity    Catalysis of the hydrolysis of (1->4)-beta linkages of N-acetyl-D-glucosamine (GlcNAc) polymers of chitin and chitodextrins.
    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:0006032    chitin catabolic process    The chemical reactions and pathways resulting in the breakdown of chitin, a linear polysaccharide consisting of beta-(1->4)-linked N-acetyl-D-glucosamine residues.
    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.

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    Ala A:70 - Phe A:71   [ RasMol ]  
    Glu A:171 - Tyr A:172   [ RasMol ]  
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 Related Entries

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

UniProtKB/Swiss-Prot
        CHI1_COCP7 | C5P230: 1ll6 1ll7
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