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2WQD

Crystal structure of enzyme I of the phosphoenolpyruvate:sugar phosphotransferase system in the dephosphorylated state

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0005737cellular_componentcytoplasm
A0008965molecular_functionphosphoenolpyruvate-protein phosphotransferase activity
A0009401biological_processphosphoenolpyruvate-dependent sugar phosphotransferase system
A0016301molecular_functionkinase activity
A0016310biological_processphosphorylation
A0016740molecular_functiontransferase activity
A0016772molecular_functiontransferase activity, transferring phosphorus-containing groups
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA A 1572
ChainResidue
ATHR397
AASN399
AGLN477

Functional Information from PROSITE/UniProt
site_idPS00742
Number of Residues19
DetailsPEP_ENZYMES_2 PEP-utilizing enzymes signature 2. DfFSIGTNDLiQYTLAadR
ChainResidueDetails
AASP449-ARG467

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Tele-phosphohistidine intermediate","evidences":[{"source":"UniProtKB","id":"P08839","evidenceCode":"ECO:0000250"},{"source":"PubMed","id":"19801641","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"P08839","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P23533","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P08839","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1zym
ChainResidueDetails
ATHR170
AALA191

247536

PDB entries from 2026-01-14

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