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1WCR

Trimeric Structure of the Enzyme IIA from Escherichia coli Phosphotransferase System Specific for N,N'-Diacetylchitobiose

Functional Information from GO Data
ChainGOidnamespacecontents
A0009401biological_processphosphoenolpyruvate-dependent sugar phosphotransferase system
B0009401biological_processphosphoenolpyruvate-dependent sugar phosphotransferase system
C0009401biological_processphosphoenolpyruvate-dependent sugar phosphotransferase system
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues294
DetailsDomain: {"description":"PTS EIIA type-3","evidences":[{"source":"PROSITE-ProRule","id":"PRU00418","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsActive site: {"description":"Tele-phosphohistidine intermediate","evidences":[{"source":"PubMed","id":"15654077","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"19959833","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"2092358","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"22593574","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsModified residue: {"description":"Phosphohistidine; by HPr","evidences":[{"source":"PROSITE-ProRule","id":"PRU00418","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10913118","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"15654077","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"22593574","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1e2a
ChainResidueDetails
AHIS80
AHIS76
ALEU79
AGLN78

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1e2a
ChainResidueDetails
BHIS80
BHIS76
BLEU79
BGLN78

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1e2a
ChainResidueDetails
CHIS80
CHIS76
CLEU79
CGLN78

247536

PDB entries from 2026-01-14

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