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5I03

tRNA-guanine Transglycosylase (TGT) in co-crystallized complex with 6-Amino-4-[2-(4-methylphenyl)ethyl]-1,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one

Functional Information from GO Data
ChainGOidnamespacecontents
A0002099biological_processtRNA wobble guanine modification
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006400biological_processtRNA modification
A0008033biological_processtRNA processing
A0008479molecular_functiontRNA-guanosine(34) queuine transglycosylase activity
A0008616biological_processqueuosine biosynthetic process
A0016757molecular_functionglycosyltransferase activity
A0016763molecular_functionpentosyltransferase activity
A0046872molecular_functionmetal ion binding
A0101030biological_processtRNA-guanine transglycosylation
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue GOL A 401
ChainResidue
AGLY46
AALA49
AVAL51
AMET93
ATRP95
ATYR330
ALEU341
AHOH514

site_idAC2
Number of Residues7
Detailsbinding site for residue GOL A 402
ChainResidue
ASER118
AARG174
APRO252
AASP254
ALYS255
AHOH527
AGLN117

site_idAC3
Number of Residues4
Detailsbinding site for residue ZN A 403
ChainResidue
ACYS318
ACYS320
ACYS323
AHIS349

site_idAC4
Number of Residues6
Detailsbinding site for residue EDO A 404
ChainResidue
AARG34
AHIS145
AGLY148
ASER149
AHOH533
AHOH543

site_idAC5
Number of Residues14
Detailsbinding site for residue NEZ A 405
ChainResidue
AASP102
ATYR106
AASP156
ACYS158
AILE201
AGLN203
AGLY229
AGLY230
ALEU231
AALA232
AMET260
AGLY261
AVAL282
AHOH605

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Proton acceptor => ECO:0000255|HAMAP-Rule:MF_00168, ECO:0000305|PubMed:12949492
ChainResidueDetails
AASP102

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Nucleophile => ECO:0000255|HAMAP-Rule:MF_00168, ECO:0000305|PubMed:12949492
ChainResidueDetails
AASP280

site_idSWS_FT_FI3
Number of Residues4
DetailsBINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00168, ECO:0000269|PubMed:12949492
ChainResidueDetails
AGLY230
AASP102
AASP156
AGLN203

site_idSWS_FT_FI4
Number of Residues4
DetailsBINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00168, ECO:0000269|PubMed:10413112, ECO:0000269|PubMed:11178905, ECO:0000269|PubMed:11921407, ECO:0000269|PubMed:12646024, ECO:0000269|PubMed:12909636, ECO:0000269|PubMed:12949492, ECO:0000269|PubMed:14523925, ECO:0000269|PubMed:19627989, ECO:0000269|PubMed:8654383, ECO:0000269|PubMed:8961936
ChainResidueDetails
ACYS320
ACYS323
AHIS349
ACYS318

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 881
ChainResidueDetails
AASP102proton shuttle (general acid/base)
AASP280covalent catalysis
ACYS318metal ligand
ACYS320metal ligand
ACYS323metal ligand
AHIS349metal ligand

221051

PDB entries from 2024-06-12

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