eF-site ID 4ik0-AB
PDB Code 4ik0
Chain A, B

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Title Crystal structure of diaminopimelate epimerase Y268A mutant from Escherichia coli
Classification ISOMERASE
Compound Diaminopimelate epimerase
Source Escherichia coli (strain K12) (DAPF_ECOLI)
Sequence A:  MQFSKMHGLGNDFMVVDAVTQNVFFSPELIRRLADRHLGV
GFDQLLVVEPPYDPELDFHYRIFNADGSEVAQCGNGARCF
ARFVRLKGLTNKRDIRVSTANGRMVLTVTDDDLVRVNMGE
PNFEPSAVPFRANKAEKTYIMRAAEQTILCGVVSMGNPHC
VIQVDDVDTAAVETLGPVLESHERFPERANIGFMQVVKRE
HIRLRVYERGAGETQACGSGACAAVAVGIQQGLLAEEVRV
ELPGGRLDIAWKGPGHPLYMTGPAVHVADGFIHL
B:  MQFSKMHGLGNDFMVVDAVTQNVFFSPELIRRLADRHLGV
GFDQLLVVEPPYDPELDFHYRIFNADGSEVAQCGNGARCF
ARFVRLKGLTNKRDIRVSTANGRMVLTVTDDDLVRVNMGE
PNFEPSAVPFRANKAEKTYIMRAAEQTILCGVVSMGNPHC
VIQVDDVDTAAVETLGPVLESHERFPERANIGFMQVVKRE
HIRLRVYERGAGETQACGSGACAAVAVGIQQGLLAEEVRV
ELPGGRLDIAWKGPGHPLYMTGPAVHVADGFIHLH
Description


Functional site

1) chain A
residue 79
type
sequence C
description BINDING SITE FOR RESIDUE IOD A 301
source : AC1

2) chain A
residue 78
type
sequence R
description BINDING SITE FOR RESIDUE IOD A 303
source : AC2

3) chain A
residue 171
type
sequence A
description BINDING SITE FOR RESIDUE IOD A 304
source : AC3

4) chain A
residue 175
type
sequence L
description BINDING SITE FOR RESIDUE IOD A 304
source : AC3

5) chain A
residue 201
type
sequence H
description BINDING SITE FOR RESIDUE IOD A 305
source : AC4

6) chain B
residue 133
type
sequence N
description BINDING SITE FOR RESIDUE IOD B 302
source : AC5

7) chain B
residue 11
type
sequence N
description BINDING SITE FOR RESIDUE IOD B 303
source : AC6

8) chain B
residue 78
type
sequence R
description BINDING SITE FOR RESIDUE IOD B 303
source : AC6

9) chain B
residue 171
type
sequence A
description BINDING SITE FOR RESIDUE IOD B 304
source : AC7

10) chain B
residue 105
type
sequence V
description BINDING SITE FOR RESIDUE IOD B 305
source : AC8

11) chain B
residue 201
type
sequence H
description BINDING SITE FOR RESIDUE IOD B 306
source : AC9

12) chain B
residue 37
type
sequence H
description BINDING SITE FOR RESIDUE IOD B 307
source : BC1

13) chain A
residue 73
type ACT_SITE
sequence C
description Proton donor => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI1

14) chain B
residue 73
type ACT_SITE
sequence C
description Proton donor => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI1

15) chain A
residue 217
type ACT_SITE
sequence C
description Proton acceptor => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI2

16) chain B
residue 217
type ACT_SITE
sequence C
description Proton acceptor => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI2

17) chain A
residue 11
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

18) chain B
residue 44
type BINDING
sequence Q
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

19) chain B
residue 64
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

20) chain B
residue 74
type BINDING
sequence G
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

21) chain B
residue 157
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

22) chain B
residue 190
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

23) chain B
residue 208
type BINDING
sequence E
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

24) chain B
residue 218
type BINDING
sequence G
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

25) chain A
residue 44
type BINDING
sequence Q
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

26) chain A
residue 64
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

27) chain A
residue 74
type BINDING
sequence G
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

28) chain A
residue 157
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

29) chain A
residue 190
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

30) chain A
residue 208
type BINDING
sequence E
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

31) chain A
residue 218
type BINDING
sequence G
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

32) chain B
residue 11
type BINDING
sequence N
description BINDING => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI3

33) chain A
residue 159
type SITE
sequence H
description Could be important to modulate the pK values of the two catalytic cysteine residues => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI4

34) chain A
residue 208
type SITE
sequence E
description Could be important to modulate the pK values of the two catalytic cysteine residues => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI4

35) chain B
residue 159
type SITE
sequence H
description Could be important to modulate the pK values of the two catalytic cysteine residues => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI4

36) chain B
residue 208
type SITE
sequence E
description Could be important to modulate the pK values of the two catalytic cysteine residues => ECO:0000255|HAMAP-Rule:MF_00197
source Swiss-Prot : SWS_FT_FI4

37) chain A
residue 268
type SITE
sequence A
description Important for dimerization => ECO:0000269|PubMed:23426375
source Swiss-Prot : SWS_FT_FI5

38) chain B
residue 268
type SITE
sequence A
description Important for dimerization => ECO:0000269|PubMed:23426375
source Swiss-Prot : SWS_FT_FI5

39) chain A
residue 64-78
type prosite
sequence NADGSEVAQCGNGAR
description DAP_EPIMERASE Diaminopimelate epimerase signature. NaDGSevaqCGNGaR
source prosite : PS01326


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