eF-site ID 1nul-B
PDB Code 1nul
Chain B

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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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