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3BP3

Crystal structure of EIIB

Functional Information from GO Data
ChainGOidnamespacecontents
A0008982molecular_functionprotein-N(PI)-phosphohistidine-sugar phosphotransferase activity
A0009401biological_processphosphoenolpyruvate-dependent sugar phosphotransferase system
B0008982molecular_functionprotein-N(PI)-phosphohistidine-sugar phosphotransferase activity
B0009401biological_processphosphoenolpyruvate-dependent sugar phosphotransferase system
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 1
ChainResidue
ACYS33
AILE34
ATHR35
AARG36
ALYS53
AHOH94
AHOH140

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 B 2
ChainResidue
BTHR35
BARG36
BLYS53
BHOH128
BHOH129
BCYS33
BILE34

Functional Information from PROSITE/UniProt
site_idPS01035
Number of Residues18
DetailsPTS_EIIB_TYPE_1_CYS PTS EIIB domains cysteine phosphorylation site signature. NItnldaCiTRLrVsVaD
ChainResidueDetails
AASN26-ASP43

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Phosphocysteine intermediate; for EIIB activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00421","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12716891","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"18319344","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"3129430","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsModified residue: {"description":"Phosphocysteine","evidences":[{"source":"PubMed","id":"8505292","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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