Structure of PDB 2qv4 Chain A Binding Site BS03

Receptor Information
>2qv4 Chain A (length=496) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QYSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVA
IYNPFRPWWERYQPVSYKLCTRSGNEDEFRNMVTRCNNVGVRIYVDAVIN
HMCGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIEN
YNDATQVRDCRLTGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASK
HMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQEVIDLGGEPIKSSDYFGN
GRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFVPSDRALVFVDNHD
NQRGHGAGGASILTFWDARLYKMAVGFMLAHPYGFTRVMSSYRWPRQFQN
GNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVIFRNV
VDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYC
DVISGDKINGNCTGIKIYVSDDGKAHFSISNSAEDPFIAIHAESKL
Ligand information
Ligand IDQV4
InChIInChI=1S/C31H53NO23/c1-7-13(16(39)21(44)28(48)49-7)32-9-2-8(3-33)25(18(41)14(9)37)53-30-23(46)19(42)27(11(5-35)51-30)55-31-24(47)20(43)26(12(6-36)52-31)54-29-22(45)17(40)15(38)10(4-34)50-29/h2,7,9-48H,3-6H2,1H3/t7-,9+,10-,11-,12-,13-,14+,15-,16+,17+,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28+,29-,30-,31-/m1/s1
InChIKeySPMGVWYYOZMEBD-NPPSNIQKSA-N
SMILES
SoftwareSMILES
CACTVS 3.341C[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@@H]1N[C@H]2C=C(CO)[C@@H](O[C@H]3O[C@H](CO)[C@@H](O[C@H]4O[C@H](CO)[C@@H](O[C@H]5O[C@H](CO)[C@@H](O)[C@H](O)[C@H]5O)[C@H](O)[C@H]4O)[C@H](O)[C@H]3O)[C@H](O)[C@H]2O
CACTVS 3.341C[CH]1O[CH](O)[CH](O)[CH](O)[CH]1N[CH]2C=C(CO)[CH](O[CH]3O[CH](CO)[CH](O[CH]4O[CH](CO)[CH](O[CH]5O[CH](CO)[CH](O)[CH](O)[CH]5O)[CH](O)[CH]4O)[CH](O)[CH]3O)[CH](O)[CH]2O
OpenEye OEToolkits 1.5.0CC1C(C(C(C(O1)O)O)O)NC2C=C(C(C(C2O)O)OC3C(C(C(C(O3)CO)OC4C(C(C(C(O4)CO)OC5C(C(C(C(O5)CO)O)O)O)O)O)O)O)CO
OpenEye OEToolkits 1.5.0C[C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O)O)O)N[C@H]2C=C([C@H]([C@@H]([C@H]2O)O)O[C@@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O[C@@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O[C@@H]5[C@@H]([C@H]([C@@H]([C@H](O5)CO)O)O)O)O)O)O)O)CO
ACDLabs 10.04O(C3C(OC(OC2C(=CC(NC1C(OC(O)C(O)C1O)C)C(O)C2O)CO)C(O)C3O)CO)C5OC(C(OC4OC(CO)C(O)C(O)C4O)C(O)C5O)CO
FormulaC31 H53 N O23
Name4,6-dideoxy-4-{[(1S,4R,5R,6S)-4-{[alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl]oxy}-5,6-dihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose
ChEMBL
DrugBank
ZINCZINC000263621053
PDB chain2qv4 Chain A Residue 500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB2qv4 Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity
Resolution1.97 Å
Binding residue
(original residue number in PDB)
W58 W59 Y62 Q63 H101 G104 N105 A106 V107 L162 T163 G164 L165 R195 D197 H201 E233 I235 H299 D300
Binding residue
(residue number reindexed from 1)
W58 W59 Y62 Q63 H101 G104 N105 A106 V107 L162 T163 G164 L165 R195 D197 H201 E233 I235 H299 D300
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D197 S226 D300
Catalytic site (residue number reindexed from 1) D197 S226 D300
Enzyme Commision number 3.2.1.1: alpha-amylase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004556 alpha-amylase activity
GO:0005509 calcium ion binding
GO:0016160 amylase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0031404 chloride ion binding
GO:0043169 cation binding
GO:0046872 metal ion binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0016052 carbohydrate catabolic process
GO:0044245 polysaccharide digestion
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0070062 extracellular exosome

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:2qv4, PDBe:2qv4, PDBj:2qv4
PDBsum2qv4
PubMed18284212
UniProtP04746|AMYP_HUMAN Pancreatic alpha-amylase (Gene Name=AMY2A)

[Back to BioLiP]