eF-site ID 4pxq-AB
PDB Code 4pxq
Chain A, B

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Title Crystal structure of D-glucuronyl C5-epimerase in complex with heparin hexasaccharide
Classification ISOMERASE
Compound D-glucuronyl C5 epimerase B
Source (Q6TS32_DANRE)
Sequence A:  GVRYEEIDCLINDDATIKGRREGSEVYMPFSWMEKYFEVY
GKVVQYDGYDRFEFSHSYSKVYAQREQYHPNGVFMSFEGY
NVEVRDRVKCISGVEGVPLSTQWGPQGYFYAIQIAQYGLS
HYSKNLTERPPHVEVYDTAEERDSRSSAWTVPKGCSLTRV
YDKTRATSVREFSAPENSEGVSLPLGNTKDFIISFDLKFT
SNGSVSVILETTEKGPPFVIHYVTTTQLILLKDRDITYGI
GPRTTWTTVTRDLLTDLRKGIGLSNTKAVKATKTMPRRVV
KLVVHGTGTIDNITISTTSHMAAFYAASDWLVRNQDERGG
WPIMVTRKLGEGFRALEPGWYSAMAQGQAMSTLVRAYLMT
KDDRYLKAALRATGPFKLPSEQHGVKAVFMNKYDWYEEYP
TIPSSFVLNGFIYSLIGLFDLAQTAGEKLGRDAGQLYSKG
MESLKVMLPLYDTGSGTIYDLRHFILGTAPNLARWDYHTT
HINQLQLLGTIDNSPIFRDSVKRWKSYLKGGRAKHN
B:  VRYEEIDCLINDDATIKGRREGSEVYMPFSWMEKYFEVYG
KVVQYDGYDRFEFSHSYSKVYAQREQYHPNGVFMSFEGYN
VEVRDRVKCISGVEGVPLSTQWGPQGYFYAIQIAQYGLSH
YSKNLTERPPHVEVYDTAEERDSRSSAWTVPKGCSLTRVY
DKTRATSVREFSAPENSEGVSLPLGNTKDFIISFDLKFTS
NGSVSVILETTEKGPPFVIHYVTTTQLILLKDRDITYGIG
PRTTWTTVTRDLLTDLRKGIGLSNTKAVKATKTMPRRVVK
LVVHGTGTIDNITISTTSHMAAFYAASDWLVRNQDERGGW
PIMVTRKLGEGFRALEPGWYSAMAQGQAMSTLVRAYLMTK
DDRYLKAALRATGPFKLPSEQHGVKAVFMNKYDWYEEYPT
IPSSFVLNGFIYSLIGLFDLAQTAGEKLGRDAGQLYSKGM
ESLKVMLPLYDTGSGTIYDLRHFILGTAPNLARWDYHTTH
INQLQLLGTIDNSPIFRDSVKRWKSYLKGGRAKHN
Description


Functional site

1) chain A
residue 150
type BINDING
sequence N
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

2) chain B
residue 155
type BINDING
sequence D
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

3) chain B
residue 183
type BINDING
sequence I
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

4) chain B
residue 398
type BINDING
sequence L
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

5) chain B
residue 483
type BINDING
sequence S
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

6) chain B
residue 532
type BINDING
sequence H
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

7) chain B
residue 544
type BINDING
sequence W
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

8) chain B
residue 568
type BINDING
sequence D
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

9) chain A
residue 155
type BINDING
sequence D
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

10) chain A
residue 183
type BINDING
sequence I
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

11) chain A
residue 398
type BINDING
sequence L
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

12) chain A
residue 483
type BINDING
sequence S
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

13) chain A
residue 532
type BINDING
sequence H
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

14) chain A
residue 544
type BINDING
sequence W
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

15) chain A
residue 568
type BINDING
sequence D
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

16) chain B
residue 150
type BINDING
sequence N
description BINDING => ECO:0007744|PDB:4PXQ
source Swiss-Prot : SWS_FT_FI4

17) chain A
residue 208
type BINDING
sequence A
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

18) chain A
residue 210
type BINDING
sequence E
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

19) chain A
residue 237
type BINDING
sequence S
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

20) chain A
residue 361
type BINDING
sequence N
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

21) chain B
residue 208
type BINDING
sequence A
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

22) chain B
residue 210
type BINDING
sequence E
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

23) chain B
residue 237
type BINDING
sequence S
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

24) chain B
residue 361
type BINDING
sequence N
description BINDING => ECO:0000250|UniProtKB:O94923
source Swiss-Prot : SWS_FT_FI5

25) chain A
residue 150
type SITE
sequence N
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6

26) chain A
residue 157
type SITE
sequence V
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6

27) chain A
residue 529
type SITE
sequence D
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6

28) chain A
residue 547
type SITE
sequence H
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6

29) chain B
residue 150
type SITE
sequence N
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6

30) chain B
residue 157
type SITE
sequence V
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6

31) chain B
residue 529
type SITE
sequence D
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6

32) chain B
residue 547
type SITE
sequence H
description Critical for catalysis => ECO:0000269|PubMed:25568314
source Swiss-Prot : SWS_FT_FI6


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