eF-site ID 3nka-AB
PDB Code 3nka
Chain A, B

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Title Crystal structure of AqpZ H174G,T183F
Classification TRANSPORT PROTEIN
Compound Aquaporin Z
Source (AQPZ_ECOLI)
Sequence A:  SHMFRKLAAECFGTFWLVFGGCGSAVLAAGFPELGIGFAG
VALAFGLTVLTMAFAVGHISGGHFNPAVTIGLWAGGRFPA
KEVVGYVIAQVVGGIVAAALLYLIASGKTGFDAAASGFAS
NGYGEHSPGGYSMLSALVVELVLSAGFLLVIHGATDKFAP
AGFAPIAIGLALTLIGLISIPVTNFSVNPARSTAVAIFQG
GWALEQLWFFWVVPIVGGIIGGLIYRTLLE
B:  SHMFRKLAAECFGTFWLVFGGCGSAVLAAGFPELGIGFAG
VALAFGLTVLTMAFAVGHISGGHFNPAVTIGLWAGGRFPA
KEVVGYVIAQVVGGIVAAALLYLIASGKTGFDAAASGFAS
NGYGEHSPGGYSMLSALVVELVLSAGFLLVIHGATDKFAP
AGFAPIAIGLALTLIGLISIPVTNFSVNPARSTAVAIFQG
GWALEQLWFFWVVPIVGGIIGGLIYRTLLEKRD
Description


Functional site

1) chain A
residue 82-102
type TRANSMEM
sequence VGYVIAQVVGGIVAAALLYLI
description Helical; Name=3 => ECO:0000255
source Swiss-Prot : SWS_FT_FI5

2) chain B
residue 82-102
type TRANSMEM
sequence VGYVIAQVVGGIVAAALLYLI
description Helical; Name=3 => ECO:0000255
source Swiss-Prot : SWS_FT_FI5

3) chain A
residue 131-151
type TRANSMEM
sequence MLSALVVELVLSAGFLLVIHG
description Helical; Name=4 => ECO:0000255
source Swiss-Prot : SWS_FT_FI6

4) chain B
residue 131-151
type TRANSMEM
sequence MLSALVVELVLSAGFLLVIHG
description Helical; Name=4 => ECO:0000255
source Swiss-Prot : SWS_FT_FI6

5) chain A
residue 156-176
type TRANSMEM
sequence FAPAGFAPIAIGLALTLIGLI
description Helical; Name=5 => ECO:0000255
source Swiss-Prot : SWS_FT_FI7

6) chain B
residue 156-176
type TRANSMEM
sequence FAPAGFAPIAIGLALTLIGLI
description Helical; Name=5 => ECO:0000255
source Swiss-Prot : SWS_FT_FI7

7) chain A
residue 202-222
type TRANSMEM
sequence LEQLWFFWVVPIVGGIIGGLI
description Helical; Name=6 => ECO:0000255
source Swiss-Prot : SWS_FT_FI8

8) chain B
residue 202-222
type TRANSMEM
sequence LEQLWFFWVVPIVGGIIGGLI
description Helical; Name=6 => ECO:0000255
source Swiss-Prot : SWS_FT_FI8

9) chain A
residue 61-69
type prosite
sequence HFNPAVTIG
description MIP MIP family signature. HFNPAVTIG
source prosite : PS00221

10) chain A
residue 128-135
type prosite
sequence GYSMLSAL
description SPASE_I_1 Signal peptidases I serine active site. GYSMLSAL
source prosite : PS00501

11) chain A
residue 1-8
type TOPO_DOM
sequence MFRKLAAE
description Cytoplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI1

12) chain A
residue 55-81
type TOPO_DOM
sequence GHISGGHFNPAVTIGLWAGGRFPAKEV
description Cytoplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI1

13) chain A
residue 152-155
type TOPO_DOM
sequence ATDK
description Cytoplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI1

14) chain B
residue 1-8
type TOPO_DOM
sequence MFRKLAAE
description Cytoplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI1

15) chain B
residue 55-81
type TOPO_DOM
sequence GHISGGHFNPAVTIGLWAGGRFPAKEV
description Cytoplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI1

16) chain B
residue 152-155
type TOPO_DOM
sequence ATDK
description Cytoplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI1

17) chain B
residue 223-231
type TOPO_DOM
sequence YRTLLEKRD
description Cytoplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI1

18) chain A
residue 9-29
type TRANSMEM
sequence CFGTFWLVFGGCGSAVLAAGF
description Helical; Name=1 => ECO:0000255
source Swiss-Prot : SWS_FT_FI2

19) chain B
residue 9-29
type TRANSMEM
sequence CFGTFWLVFGGCGSAVLAAGF
description Helical; Name=1 => ECO:0000255
source Swiss-Prot : SWS_FT_FI2

20) chain A
residue 30-33
type TOPO_DOM
sequence PELG
description Periplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI3

21) chain A
residue 103-130
type TOPO_DOM
sequence ASGKTGFDAAASGFASNGYGEHSPGGYS
description Periplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI3

22) chain A
residue 177-201
type TOPO_DOM
sequence SIPVTNFSVNPARSTAVAIFQGGWA
description Periplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI3

23) chain B
residue 30-33
type TOPO_DOM
sequence PELG
description Periplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI3

24) chain B
residue 103-130
type TOPO_DOM
sequence ASGKTGFDAAASGFASNGYGEHSPGGYS
description Periplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI3

25) chain B
residue 177-201
type TOPO_DOM
sequence SIPVTNFSVNPARSTAVAIFQGGWA
description Periplasmic => ECO:0000255
source Swiss-Prot : SWS_FT_FI3

26) chain A
residue 34-54
type TRANSMEM
sequence IGFAGVALAFGLTVLTMAFAV
description Helical; Name=2 => ECO:0000255
source Swiss-Prot : SWS_FT_FI4

27) chain B
residue 34-54
type TRANSMEM
sequence IGFAGVALAFGLTVLTMAFAV
description Helical; Name=2 => ECO:0000255
source Swiss-Prot : SWS_FT_FI4

28) chain A
residue 43
type SITE
sequence F
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

29) chain A
residue 174
type SITE
sequence G
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

30) chain A
residue 183
type SITE
sequence F
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

31) chain A
residue 189
type SITE
sequence R
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

32) chain B
residue 43
type SITE
sequence F
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

33) chain B
residue 174
type SITE
sequence G
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

34) chain B
residue 183
type SITE
sequence F
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

35) chain B
residue 189
type SITE
sequence R
description Selectivity filter
source Swiss-Prot : SWS_FT_FI10

36) chain A
residue 20
type SITE
sequence C
description Involved in tetramerization or stability of the tetramer
source Swiss-Prot : SWS_FT_FI9

37) chain B
residue 20
type SITE
sequence C
description Involved in tetramerization or stability of the tetramer
source Swiss-Prot : SWS_FT_FI9


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