Structure of PDB 1o6i Chain B Binding Site BS01

Receptor Information
>1o6i Chain B (length=497) Species: 615 (Serratia marcescens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TRKAVIGYYFIPTNQINNYTETDTSVVPFPVSNITPAKAKQLTHINFSFL
DINSNLECAWDPATNDAKARDVVNRLTALKAHNPSLRIMFSIGGWYYSND
LGVSHANYVNAVKTPASRAKFAQSCVRIMKDYGFDGVDIDWEYPQAAEVD
GFIAALQEIRTLLNQQTITDGRQALPYQLTIAGAGGAFFLSRYYSKLAQI
VAPLDYINLMTYDLAGPWEKVTNHQAALFGDAAGPTFYNALREANLGWSW
EELTRAFPSPFSLTVDAAVQQHLMMEGVPSAKIVMGVPFYGRAFKGVSGG
NGGQYSSHSTPGEDPYPSTDYWLVGCEECVRDKDPRIASYRQLEQMLQGN
YGYQRLWNDKTKTPYLYHAQNGLFVTYDDAESFKYKAKYIKQQQLGGVMF
WHLGQDNRNGDLLAALDRYFNAADYDDSQLDMGTGLRYTGVGPGNLPIMT
APAYVPGTTYAQGALVSYQGYVWQTKWGYITSAPGSDSAWLKVGRVA
Ligand information
Ligand ID0HZ
InChIInChI=1S/C11H19N5O2/c12-11(13)14-5-1-3-7-10(18)16-6-2-4-8(16)9(17)15-7/h7-8H,1-6H2,(H,15,17)(H4,12,13,14)/p+1/t7-,8+/m0/s1
InChIKeyZRJHYOXNWCMGMW-JGVFFNPUSA-O
SMILES
SoftwareSMILES
ACDLabs 10.04O=C1N2C(C(=O)NC1CCCNC(=[NH2+])/N)CCC2
CACTVS 3.341NC(=[NH2+])NCCC[C@@H]1NC(=O)[C@H]2CCCN2C1=O
CACTVS 3.341NC(=[NH2+])NCCC[CH]1NC(=O)[CH]2CCCN2C1=O
FormulaC11 H20 N5 O2
Nameamino({3-[(3S,8aS)-1,4-dioxooctahydropyrrolo[1,2-a]pyrazin-3-yl]propyl}amino)methaniminium;
CI-4;
[cyclo-(l-Arg-d-Pro)]
ChEMBL
DrugBank
ZINC
PDB chain1o6i Chain B Residue 1519 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1o6i The cyclic dipeptide CI-4 [cyclo-(l-Arg-d-Pro)] inhibits family 18 chitinases by structural mimicry of a reaction intermediate.
Resolution1.7 Å
Binding residue
(original residue number in PDB)
Y10 G96 W97 D142 E144 M212 Y214 W403
Binding residue
(residue number reindexed from 1)
Y8 G94 W95 D140 E142 M210 Y212 W401
Annotation score1
Binding affinityMOAD: Ki=0.65mM
Enzymatic activity
Catalytic site (original residue number in PDB) D140 D142 E144 Y214
Catalytic site (residue number reindexed from 1) D138 D140 E142 Y212
Enzyme Commision number 3.2.1.14: chitinase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0008061 chitin binding
GO:0030246 carbohydrate binding
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0005576 extracellular region

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1o6i, PDBe:1o6i, PDBj:1o6i
PDBsum1o6i
PubMed12323074
UniProtP11797|CHIB_SERMA Chitinase B (Gene Name=chiB)

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