Structure of PDB 6tp1 Chain A Binding Site BS04

Receptor Information
>6tp1 Chain A (length=481) Species: 1402 (Bacillus licheniformis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LNGTLMQYFEWYMPNDGQHWKRLQNDSAYLAEHGITAVWIPPAYKGTSQD
DVGYGAYDLYDLGEFHQKGTVRTKYGTKGELQSAINSLHSRDINVYGDVV
INHKGGADATEYVTAVEVDPADRNRVTSGEQRIKAWTHFQFPGRGSTYSD
FKWYWYHFDGTDWDESRKLNRIYKFQGKAWDWEVSNENGNYDYLMYADID
YDHPDVTAEIKRWGTWYANELQLDGFRLDAVKHIKFSFLRDWVNHVREKT
GKEMFTVAEYWQNDLGALENYLNKTNFNHSVFDVPLHYQFHAASTQGGGY
DMRKLLNGTVVSKHPVKAVTFVDNHDTQPGQSLESTVQTWFKPLAYAFIL
TREAGYPQIFYGDMYGTKGASQREIPALKHKIEPILKARKQYAYGAQHDY
FDHHNIVGWTREGDSSVANSGLAALITDGPGGTKRMYVGRQNAGETWHDI
TGNRSDSVVINAEGWGEFHVNGGSVSIYVQR
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 chain6tp1 Chain A Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6tp1 Characterization of the starch surface binding site on Bacillus paralicheniformis alpha-amylase.
Resolution1.94 Å
Binding residue
(original residue number in PDB)		N104 D194 D200 H235
Binding residue
(residue number reindexed from 1)		N102 D192 D198 H233
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) R229 D231 E261 H327 D328
Catalytic site (residue number reindexed from 1) R227 D229 E259 H325 D326
Enzyme Commision number 3.2.1.1: alpha-amylase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004556 alpha-amylase activity
GO:0005509 calcium ion binding
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0046872 metal ion binding
Biological Process
GO:0005975 carbohydrate metabolic process

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Molecular Function
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Biological Process
External links
PDB RCSB:6tp1, PDBe:6tp1, PDBj:6tp1
PDBsum6tp1
PubMed33058974
UniProtI3P686

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