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1SQI

Structural basis for inhibitor selectivity revealed by crystal structures of plant and mammalian 4-hydroxyphenylpyruvate dioxygenases

Functional Information from GO Data
ChainGOidnamespacecontents
A0000139cellular_componentGolgi membrane
A0003868molecular_function4-hydroxyphenylpyruvate dioxygenase activity
A0005506molecular_functioniron ion binding
A0005737cellular_componentcytoplasm
A0005783cellular_componentendoplasmic reticulum
A0005789cellular_componentendoplasmic reticulum membrane
A0005794cellular_componentGolgi apparatus
A0006559biological_processL-phenylalanine catabolic process
A0006572biological_processL-tyrosine catabolic process
A0009072biological_processaromatic amino acid metabolic process
A0016491molecular_functionoxidoreductase activity
A0016701molecular_functionoxidoreductase activity, acting on single donors with incorporation of molecular oxygen
A0042803molecular_functionprotein homodimerization activity
A0046872molecular_functionmetal ion binding
A0051213molecular_functiondioxygenase activity
B0000139cellular_componentGolgi membrane
B0003868molecular_function4-hydroxyphenylpyruvate dioxygenase activity
B0005506molecular_functioniron ion binding
B0005737cellular_componentcytoplasm
B0005783cellular_componentendoplasmic reticulum
B0005789cellular_componentendoplasmic reticulum membrane
B0005794cellular_componentGolgi apparatus
B0006559biological_processL-phenylalanine catabolic process
B0006572biological_processL-tyrosine catabolic process
B0009072biological_processaromatic amino acid metabolic process
B0016491molecular_functionoxidoreductase activity
B0016701molecular_functionoxidoreductase activity, acting on single donors with incorporation of molecular oxygen
B0042803molecular_functionprotein homodimerization activity
B0046872molecular_functionmetal ion binding
B0051213molecular_functiondioxygenase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE FE A 1450
ChainResidue
AHIS183
AHIS266
AGLU349
A8691501
AHOH1552

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE FE A 1451
ChainResidue
AHOH1712
BASP315
AHIS280
AHOH1654
AHOH1655
AHOH1710

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE FE B 1452
ChainResidue
BHIS183
BHIS266
BGLU349
B8691502
BHOH1531

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE FE B 1453
ChainResidue
AASP315
BARG279
BHIS280
BHOH1541
BHOH1648
BHOH1659
BHOH1660

site_idAC5
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 869 A 1501
ChainResidue
AHIS183
ASER226
APRO239
AASN241
AGLN251
AHIS266
APHE336
APHE347
AGLU349
APHE359
AASN363
APHE364
AFE1450
AHOH1552

site_idAC6
Number of Residues15
DetailsBINDING SITE FOR RESIDUE 869 B 1502
ChainResidue
BHIS183
BSER226
BPRO239
BASN241
BGLN251
BHIS266
BLEU289
BPHE336
BGLU349
BPHE359
BASN363
BPHE364
BFE1452
BHOH1531
BHOH1737

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues262
DetailsDomain: {"description":"VOC 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU01163","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15301540","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1SQI","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P49429","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P32754","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P49429","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"22673903","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

248335

PDB entries from 2026-01-28

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