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9SKG

Serial electron diffraction (SerialED) structure of Ribonucleotide reductase R2 from E. coli in its reduced (red) form

Functional Information from GO Data
ChainGOidnamespacecontents
A0004748molecular_functionribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
A0005506molecular_functioniron ion binding
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0005971cellular_componentribonucleoside-diphosphate reductase complex
A0009185biological_processribonucleoside diphosphate metabolic process
A0009263biological_processdeoxyribonucleotide biosynthetic process
A0009265biological_process2'-deoxyribonucleotide biosynthetic process
A0015949biological_processnucleobase-containing small molecule interconversion
A0042802molecular_functionidentical protein binding
B0004748molecular_functionribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
B0005506molecular_functioniron ion binding
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0005971cellular_componentribonucleoside-diphosphate reductase complex
B0009185biological_processribonucleoside diphosphate metabolic process
B0009263biological_processdeoxyribonucleotide biosynthetic process
B0009265biological_process2'-deoxyribonucleotide biosynthetic process
B0015949biological_processnucleobase-containing small molecule interconversion
B0042802molecular_functionidentical protein binding
Functional Information from PROSITE/UniProt
site_idPS00368
Number of Residues17
DetailsRIBORED_SMALL Ribonucleotide reductase small subunit signature. SEt.IHSrSYthIirnIV
ChainResidueDetails
ASER114-VAL130

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues2
DetailsM-CSA 918
ChainResidueDetails
ATYR122pi-pi interaction, single electron relay
AASP237

site_idMCSA2
Number of Residues2
DetailsM-CSA 918
ChainResidueDetails
BTYR122pi-pi interaction, single electron relay
BASP237

254917

PDB entries from 2026-06-10

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