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1R5Y

Crystal Structure of TGT in complex with 2,6-Diamino-3H-Quinazolin-4-one Crystallized at PH 5.5

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 Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 400
ChainResidue
ACYS318
ACYS320
ACYS323
AHIS349

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE DQU A 900
ChainResidue
AILE201
AGLN203
AGLY229
AGLY230
ALEU231
AALA232
AMET260
AHOH1221
AASP102
ASER103
ATYR106
AASP156
ACYS158

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
ASER103

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Nucleophile => ECO:0000255|HAMAP-Rule:MF_00168, ECO:0000305|PubMed:12949492
ChainResidueDetails
ACYS281

site_idSWS_FT_FI3
Number of Residues4
DetailsBINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00168, ECO:0000269|PubMed:12949492
ChainResidueDetails
ASER103
AGLU157
AGLY204
ALEU231

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
AHIS319
AALA321
AGLN324
AASN350

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1pud
ChainResidueDetails
AASP102

site_idMCSA1
Number of Residues6
DetailsM-CSA 881
ChainResidueDetails
ASER103proton shuttle (general acid/base)
ACYS281covalent catalysis
AHIS319metal ligand
AALA321metal ligand
AGLN324metal ligand
AASN350metal ligand

226707

PDB entries from 2024-10-30

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