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8VHQ

Crystal structure of E. coli class Ia ribonucleotide reductase alpha subunit W28A variant bound to dATP and ATP

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0004748molecular_functionribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005829cellular_componentcytosol
A0005971cellular_componentribonucleoside-diphosphate reductase complex
A0006457biological_processprotein folding
A0009185biological_processribonucleoside diphosphate metabolic process
A0009263biological_processdeoxyribonucleotide biosynthetic process
A0009265biological_process2'-deoxyribonucleotide biosynthetic process
A0015949biological_processnucleobase-containing small molecule interconversion
A0016491molecular_functionoxidoreductase activity
A0042802molecular_functionidentical protein binding
A0044183molecular_functionprotein folding chaperone
B0000166molecular_functionnucleotide binding
B0003824molecular_functioncatalytic activity
B0004748molecular_functionribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0005829cellular_componentcytosol
B0005971cellular_componentribonucleoside-diphosphate reductase complex
B0006457biological_processprotein folding
B0009185biological_processribonucleoside diphosphate metabolic process
B0009263biological_processdeoxyribonucleotide biosynthetic process
B0009265biological_process2'-deoxyribonucleotide biosynthetic process
B0015949biological_processnucleobase-containing small molecule interconversion
B0016491molecular_functionoxidoreductase activity
B0042802molecular_functionidentical protein binding
B0044183molecular_functionprotein folding chaperone
C0000166molecular_functionnucleotide binding
C0003824molecular_functioncatalytic activity
C0004748molecular_functionribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
C0005515molecular_functionprotein binding
C0005524molecular_functionATP binding
C0005829cellular_componentcytosol
C0005971cellular_componentribonucleoside-diphosphate reductase complex
C0006457biological_processprotein folding
C0009185biological_processribonucleoside diphosphate metabolic process
C0009263biological_processdeoxyribonucleotide biosynthetic process
C0009265biological_process2'-deoxyribonucleotide biosynthetic process
C0015949biological_processnucleobase-containing small molecule interconversion
C0016491molecular_functionoxidoreductase activity
C0042802molecular_functionidentical protein binding
C0044183molecular_functionprotein folding chaperone
D0000166molecular_functionnucleotide binding
D0003824molecular_functioncatalytic activity
D0004748molecular_functionribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
D0005515molecular_functionprotein binding
D0005524molecular_functionATP binding
D0005829cellular_componentcytosol
D0005971cellular_componentribonucleoside-diphosphate reductase complex
D0006457biological_processprotein folding
D0009185biological_processribonucleoside diphosphate metabolic process
D0009263biological_processdeoxyribonucleotide biosynthetic process
D0009265biological_process2'-deoxyribonucleotide biosynthetic process
D0015949biological_processnucleobase-containing small molecule interconversion
D0016491molecular_functionoxidoreductase activity
D0042802molecular_functionidentical protein binding
D0044183molecular_functionprotein folding chaperone
Functional Information from PROSITE/UniProt
site_idPS00089
Number of Residues23
DetailsRIBORED_LARGE Ribonucleotide reductase large subunit signature. WeaLresikthGLRNstlSAlmP
ChainResidueDetails
ATRP599-PRO621

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues360
DetailsDomain: {"description":"ATP-cone","evidences":[{"source":"PROSITE-ProRule","id":"PRU00492","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsActive site: {"description":"Cysteine radical intermediate"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9309223","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3R1R","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9309223","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4R1R","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsSite: {"description":"Important for hydrogen atom transfer"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues8
DetailsSite: {"description":"Important for electron transfer"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues7
DetailsM-CSA 918
ChainResidueDetails
ACYS225proton donor
AASN437
ACYS439hydrogen radical acceptor, hydrogen radical donor, single electron acceptor
AGLU441proton acceptor
ACYS462
ATYR730pi-pi interaction, single electron relay
ATYR731pi-pi interaction, single electron relay

site_idMCSA2
Number of Residues7
DetailsM-CSA 918
ChainResidueDetails
BCYS225proton donor
BASN437
BCYS439hydrogen radical acceptor, hydrogen radical donor, single electron acceptor
BGLU441proton acceptor
BCYS462
BTYR730pi-pi interaction, single electron relay
BTYR731pi-pi interaction, single electron relay

site_idMCSA3
Number of Residues7
DetailsM-CSA 918
ChainResidueDetails
CCYS225proton donor
CASN437
CCYS439hydrogen radical acceptor, hydrogen radical donor, single electron acceptor
CGLU441proton acceptor
CCYS462
CTYR730pi-pi interaction, single electron relay
CTYR731pi-pi interaction, single electron relay

site_idMCSA4
Number of Residues7
DetailsM-CSA 918
ChainResidueDetails
DCYS225proton donor
DASN437
DCYS439hydrogen radical acceptor, hydrogen radical donor, single electron acceptor
DGLU441proton acceptor
DCYS462
DTYR730pi-pi interaction, single electron relay
DTYR731pi-pi interaction, single electron relay

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PDB entries from 2025-10-08

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