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5T8Y

Structure of epoxyqueuosine reductase from Bacillus subtilis with the Asp134 catalytic loop swung out of the active site.

Functional Information from GO Data
ChainGOidnamespacecontents
A0005737cellular_componentcytoplasm
A0006400biological_processtRNA modification
A0008033biological_processtRNA processing
A0008616biological_processtRNA queuosine(34) biosynthetic process
A0016491molecular_functionoxidoreductase activity
A0046872molecular_functionmetal ion binding
A0051536molecular_functioniron-sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
A0052693molecular_functionepoxyqueuosine reductase activity
B0005737cellular_componentcytoplasm
B0006400biological_processtRNA modification
B0008033biological_processtRNA processing
B0008616biological_processtRNA queuosine(34) biosynthetic process
B0016491molecular_functionoxidoreductase activity
B0046872molecular_functionmetal ion binding
B0051536molecular_functioniron-sulfur cluster binding
B0051539molecular_function4 iron, 4 sulfur cluster binding
B0052693molecular_functionepoxyqueuosine reductase activity
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue SF4 A 501
ChainResidue
AALA153
ALYS154
AASN155
ACYS188
ACYS191
ACYS194
ACYS247
APRO248

site_idAC2
Number of Residues8
Detailsbinding site for residue SF4 A 502
ChainResidue
ALEU209
ACYS214
AILE215
ACYS240
ATHR242
ACYS243
AB12503
ACYS198

site_idAC3
Number of Residues31
Detailsbinding site for residue B12 A 503
ChainResidue
ASER32
ALEU33
AARG36
ASER47
AGLU50
AARG57
ACYS97
ATYR105
ALEU138
ASER139
AASP140
AARG141
AALA142
ASER152
AASN155
AILE158
ASER165
AVAL167
ALEU169
APRO206
AGLY207
ALEU209
ASER216
AGLY239
ACYS240
AASP241
ACYS243
AGLN244
ASF4502
APO4505
AHOH601

site_idAC4
Number of Residues1
Detailsbinding site for residue PO4 A 504
ChainResidue
ALYS354

site_idAC5
Number of Residues5
Detailsbinding site for residue PO4 A 505
ChainResidue
AMET132
AVAL133
AASP134
AASP140
AB12503

site_idAC6
Number of Residues8
Detailsbinding site for residue SF4 B 501
ChainResidue
BALA153
BLYS154
BASN155
BCYS188
BCYS191
BCYS194
BCYS247
BPRO248

site_idAC7
Number of Residues8
Detailsbinding site for residue SF4 B 502
ChainResidue
BCYS198
BLEU209
BCYS214
BILE215
BCYS240
BTHR242
BCYS243
BB12503

site_idAC8
Number of Residues33
Detailsbinding site for residue B12 B 503
ChainResidue
BSF4502
BPO4508
BHOH602
BSER32
BLEU33
BARG36
BSER47
BGLU50
BARG57
BCYS97
BALA99
BLEU138
BSER139
BASP140
BARG141
BALA142
BGLU145
BSER152
BASN155
BMET157
BILE158
BSER165
BVAL167
BLEU169
BPRO206
BGLY207
BLEU209
BSER216
BGLY239
BCYS240
BASP241
BCYS243
BGLN244

site_idAC9
Number of Residues1
Detailsbinding site for residue PO4 B 504
ChainResidue
BLYS354

site_idAD1
Number of Residues1
Detailsbinding site for residue PO4 B 505
ChainResidue
BPO4506

site_idAD2
Number of Residues3
Detailsbinding site for residue PO4 B 506
ChainResidue
BTHR245
BPO4505
BPO4507

site_idAD3
Number of Residues3
Detailsbinding site for residue PO4 B 507
ChainResidue
BTHR242
BTHR245
BPO4506

site_idAD4
Number of Residues5
Detailsbinding site for residue PO4 B 508
ChainResidue
BHIS106
BMET132
BGLY136
BASP140
BB12503

Functional Information from PROSITE/UniProt
site_idPS00198
Number of Residues12
Details4FE4S_FER_1 4Fe-4S ferredoxin-type iron-sulfur binding region signature. CgSCTkCLdACP
ChainResidueDetails
ACYS188-PRO199

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues60
DetailsDomain: {"description":"4Fe-4S ferredoxin-type","evidences":[{"source":"HAMAP-Rule","id":"MF_00916","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues48
DetailsRepeat: {"description":"HEAT-like PBS-type"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"27638883","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues37
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"27638883","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5D0B","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"27638883","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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