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6MT9

X-ray crystal structure of Bacillus subtilis ribonucleotide reductase NrdE alpha subunit with TTP, ATP, and ADP

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0004748molecular_functionribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
A0005524molecular_functionATP binding
A0005971cellular_componentribonucleoside-diphosphate reductase complex
A0009263biological_processdeoxyribonucleotide biosynthetic process
A0016491molecular_functionoxidoreductase activity
Functional Information from PDB Data
site_idAC1
Number of Residues18
Detailsbinding site for residue TTP A 801
ChainResidue
AASP177
ALYS221
ATYR236
AALA237
AASP238
AMG804
AHOH978
AHOH1008
AHOH1009
AHOH1010
ASER178
ALEU179
AILE182
ALYS194
AARG207
AILE213
ALYS214
ATHR220

site_idAC2
Number of Residues7
Detailsbinding site for residue ADP A 802
ChainResidue
AVAL33
AHIS34
APHE37
AASN42
AARG90
APHE91
AARG117

site_idAC3
Number of Residues8
Detailsbinding site for residue ATP A 803
ChainResidue
APHE47
APHE48
AASN50
ALEU51
ALYS54
ALYS82
ATYR85
AASP120

site_idAC4
Number of Residues4
Detailsbinding site for residue MG A 804
ChainResidue
ATTP801
AHOH930
AHOH1009
AHOH1010

Functional Information from PROSITE/UniProt
site_idPS00089
Number of Residues23
DetailsRIBORED_LARGE Ribonucleotide reductase large subunit signature. WkkLkafvaehGMYHsyrLCiaP
ChainResidueDetails
ATRP558-PRO580

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Cysteine radical intermediate","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues11
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Important for hydrogen atom transfer","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsSite: {"description":"Allosteric effector binding","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsSite: {"description":"Important for electron transfer","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsSite: {"description":"Interacts with thioredoxin/glutaredoxin","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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