Structure of PDB 1gcy Chain A Binding Site BS02

Receptor Information
>1gcy Chain A (length=415) Species: 316 (Stutzerimonas stutzeri) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DQAGKSPNAVRYHGGDEIILQGFHWNVVREAPNDWYNILRQQAATIAADG
FSAIWMPVPWRDFSSWSKSGGGEGYFWHDFNKNGRYGSDAQLRQAASALG
GAGVKVLYDVVPNHMNRGYPDKEINLPAGQGFWRNDCADPGNYPNDCDDG
DRFIGGDADLNTGHPQVYGMFRDEFTNLRSQYGAGGFRFDFVRGYAPERV
NSWMTDSADNSFCVGELWKGPSEYPNWDWRNTASWQQIIKDWSDRAKCPV
FDFALKERMQNGSIADWKHGLNGNPDPRWREVAVTFVDNHDTGYSPGQNG
GQHHWALQDGLIRQAYAYILTSPGTPVVYWDHMYDWGYGDFIRQLIQVRR
AAGVRADSAISFHSGYSGLVATVSGSQQTLVVALNSDLGNPGQVASGSFS
EAVNASNGQVRVWRS
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1gcy Chain A Residue 529 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1gcy Crystallization and structural analysis of intact maltotetraose-forming exo-amylase from Pseudomonas stutzeri.
Resolution1.6 Å
Binding residue
(original residue number in PDB)		D1 Q2 H13 D16 E17
Binding residue
(residue number reindexed from 1)		D1 Q2 H13 D16 E17
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) R191 D193 E219 H293 D294
Catalytic site (residue number reindexed from 1) R188 D190 E216 H290 D291
Enzyme Commision number 3.2.1.60: glucan 1,4-alpha-maltotetraohydrolase.
Gene Ontology
Molecular Function
GO:0004556 alpha-amylase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0030246 carbohydrate binding
GO:0033910 glucan 1,4-alpha-maltotetraohydrolase activity
GO:0043169 cation binding
GO:0046872 metal ion binding
GO:2001070 starch binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0005983 starch catabolic 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:1gcy, PDBe:1gcy, PDBj:1gcy
PDBsum1gcy
PubMed11272837
UniProtP13507|AMT4_STUST Glucan 1,4-alpha-maltotetraohydrolase (Gene Name=amyP)

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