eF-site ID 1nul-B PDB Code 1nul Chain B click to enlarge Title XPRTASE FROM E. COLI Classification PHOSPHORIBOSYLTRANSFERASE Compound XANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE Source ORGANISM_SCIENTIFIC: Escherichia coli; Sequence B:  EKYIVTWDMLQIHARKLASRLMPSEQWKGIIAVSRGGLVP GALLARELGIRHVDTVCIVLKRAEGDGEGFIVIDDLVDTT AVAIREMYPKAHFVTIFAKPAGRPLVDDYVVDIPQDTWIE QPWDMGVVFVPPISGR Description Functional site 1) chain B residue 36 type sequence S description BINDING SITE FOR RESIDUE SO4 B 301 source : AC1 2) chain B residue 37 type sequence R description BINDING SITE FOR RESIDUE SO4 B 301 source : AC1 3) chain B residue 38 type sequence G description BINDING SITE FOR RESIDUE SO4 B 301 source : AC1 4) chain B residue 106 type sequence K description BINDING SITE FOR RESIDUE SO4 B 301 source : AC1 5) chain B residue 89 type sequence D description BINDING SITE FOR RESIDUE MG B 501 source : AC3 6) chain B residue 88 type catalytic sequence D description 391 source MCSA : MCSA2 7) chain B residue 89 type catalytic sequence D description 391 source MCSA : MCSA2 8) chain B residue 92 type catalytic sequence D description 391 source MCSA : MCSA2 9) chain B residue 37 type BINDING sequence R description BINDING => ECO:0000305|PubMed:9743633, ECO:0007744|PDB:1A95 source Swiss-Prot : SWS_FT_FI1 10) chain B residue 88 type BINDING sequence D description BINDING => ECO:0000305|PubMed:9743633, ECO:0007744|PDB:1A95 source Swiss-Prot : SWS_FT_FI1 11) chain B residue 134 type BINDING sequence W description BINDING => ECO:0000269|PubMed:9743633, ECO:0007744|PDB:1A97 source Swiss-Prot : SWS_FT_FI2 12) chain B residue 89 type BINDING sequence D description BINDING => ECO:0000269|PubMed:9100006 source Swiss-Prot : SWS_FT_FI3 13) chain B residue 92 type BINDING sequence D description BINDING => ECO:0000269|PubMed:9743633, ECO:0007744|PDB:1A96 source Swiss-Prot : SWS_FT_FI4 14) chain B residue 135 type BINDING sequence I description BINDING => ECO:0000269|PubMed:9743633, ECO:0007744|PDB:1A96 source Swiss-Prot : SWS_FT_FI4

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