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1JD9

CRYSTAL STRUCTURE ANALYSIS OF THE MUTANT K300Q OF PSEUDOALTEROMONAS HALOPLANCTIS ALPHA-AMYLASE

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004556molecular_functionalpha-amylase activity
A0005975biological_processcarbohydrate metabolic process
A0043169molecular_functioncation binding
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 800
ChainResidue
AASN88
AGLN135
AASP144
AHIS178
AHOH1117
AHOH1118
AHOH1437

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"11914073","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"11914073","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11914073","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11914073","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12021442","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9541387","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AQH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9541387","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AQH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11914073","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9541387","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AQH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLN199
AASP174

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP264
AGLU200
AASP174

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLU200
AASP174

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP174
AASP203

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP264
AGLU207
AASP174

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PDB entries from 2025-07-23

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