Structure of PDB 1jda Chain A Binding Site BS02

Receptor Information
>1jda Chain A (length=418) Species: 316 (Stutzerimonas stutzeri) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DQAGKSPNAVRYHGGDEIILQGFHWNVVREAPNDWYNILRQQAATIAADG
FSAIWMPVPWRDFSSWSDGSKSGGGEGYFWHDFNKNGRYGSDAQLRQAAS
ALGGAGVKVLYDVVPNHMNRGYPDKEINLPAGQGFWRNDCADPGNYPNDC
DDGDRFIGGDADLNTGHPQVYGMFRDEFTNLRSQYGAGGFRFDFVRGYAP
ERVNSWMTDSADNSFCVGQLWKGPSEYPNWDWRNTASWQQIIKDWSDRAK
CPVFDFALKERMQNGSIADWKHGLNGNPDPRWREVAVTFVDNHDTGYSPG
QNGGQHHWALQDGLIRQAYAYILTSPGTPVVYWDHMYDWGYGDFIRQLIQ
VRRAAGVRADSAISFHSGYSGLVATVSGSQQTLVVALNSDLGNPGQVASG
SFSEAVNASNGQVRVWRS
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 chain1jda Chain A Residue 455 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1jda Crystal structures of a mutant maltotetraose-forming exo-amylase cocrystallized with maltopentaose.
Resolution2.2 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) D193 Q219 D294
Catalytic site (residue number reindexed from 1) D193 Q219 D294
Enzyme Commision number 3.2.1.60: glucan 1,4-alpha-maltotetraohydrolase.
Gene Ontology
Molecular Function
GO:0004556 alpha-amylase activity
GO:0043169 cation binding
Biological Process
GO:0005975 carbohydrate metabolic process

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Molecular Function
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Biological Process
External links
PDB RCSB:1jda, PDBe:1jda, PDBj:1jda
PDBsum1jda
PubMed9281429
UniProtP13507|AMT4_STUST Glucan 1,4-alpha-maltotetraohydrolase (Gene Name=amyP)

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