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4P77

Structure of ribB complexed with substrate Ru5P

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0005829cellular_componentcytosol
A0008686molecular_function3,4-dihydroxy-2-butanone-4-phosphate synthase activity
A0009231biological_processriboflavin biosynthetic process
A0016829molecular_functionlyase activity
A0030145molecular_functionmanganese ion binding
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0005829cellular_componentcytosol
B0008686molecular_function3,4-dihydroxy-2-butanone-4-phosphate synthase activity
B0009231biological_processriboflavin biosynthetic process
B0016829molecular_functionlyase activity
B0030145molecular_functionmanganese ion binding
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues14
Detailsbinding site for residue 5RP A 301
ChainResidue
AARG38
ATHR155
AGLU175
AHOH430
AHOH431
BHIS137
AGLU39
AASP43
ACYS68
ATHR94
APHE96
AARG151
AGLY153
AHIS154

site_idAC2
Number of Residues9
Detailsbinding site for residue GOL A 302
ChainResidue
ATHR107
AGLN113
AASP114
AHOH401
AHOH403
BSER4
BASP12
BPRO13
BARG16

site_idAC3
Number of Residues16
Detailsbinding site for residue 5RP B 500
ChainResidue
AHIS137
AHOH434
BARG38
BGLU39
BASP43
BCYS68
BTHR94
BPHE96
BARG151
BGLY153
BHIS154
BTHR155
BGLU175
BHOH643
BHOH644
BHOH682

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00180","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsSite: {"description":"Essential for catalytic activity","evidences":[{"source":"HAMAP-Rule","id":"MF_00180","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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