eF-site ID 1t9n-A
PDB Code 1t9n
Chain A

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Title Effect of Shuttle Location and pH Environment on H+ Transfer in Human Carbonic Anhydrase II
Classification LYASE
Compound Carbonic anhydrase II
Source Homo sapiens (Human) (CAH2_HUMAN)
Sequence A:  HHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDP
SLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGG
PLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVH
WNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDV
LDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPL
LECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVD
NWRPAQPLKNRQIKASFK
Description


Functional site

1) chain A
residue 94
type
sequence H
description BINDING SITE FOR RESIDUE ZN A 262
source : AC1

2) chain A
residue 96
type
sequence H
description BINDING SITE FOR RESIDUE ZN A 262
source : AC1

3) chain A
residue 119
type
sequence H
description BINDING SITE FOR RESIDUE ZN A 262
source : AC1

4) chain A
residue 94
type
sequence H
description BINDING SITE FOR RESIDUE SO4 A 263
source : AC2

5) chain A
residue 96
type
sequence H
description BINDING SITE FOR RESIDUE SO4 A 263
source : AC2

6) chain A
residue 119
type
sequence H
description BINDING SITE FOR RESIDUE SO4 A 263
source : AC2

7) chain A
residue 198
type
sequence L
description BINDING SITE FOR RESIDUE SO4 A 263
source : AC2

8) chain A
residue 199
type
sequence T
description BINDING SITE FOR RESIDUE SO4 A 263
source : AC2

9) chain A
residue 209
type
sequence W
description BINDING SITE FOR RESIDUE SO4 A 263
source : AC2

10) chain A
residue 64
type catalytic
sequence H
description 216
source MCSA : MCSA1

11) chain A
residue 94
type catalytic
sequence H
description 216
source MCSA : MCSA1

12) chain A
residue 96
type catalytic
sequence H
description 216
source MCSA : MCSA1

13) chain A
residue 106
type catalytic
sequence E
description 216
source MCSA : MCSA1

14) chain A
residue 119
type catalytic
sequence H
description 216
source MCSA : MCSA1

15) chain A
residue 199
type catalytic
sequence T
description 216
source MCSA : MCSA1

16) chain A
residue 64
type ACT_SITE
sequence H
description Proton donor/acceptor => ECO:0000305|PubMed:15667203, ECO:0000305|PubMed:17330962
source Swiss-Prot : SWS_FT_FI1

17) chain A
residue 94
type BINDING
sequence H
description BINDING => ECO:0000269|PubMed:11076507, ECO:0000269|PubMed:12499545, ECO:0000269|PubMed:1336460, ECO:0000269|PubMed:1433293, ECO:0000269|PubMed:1909891, ECO:0000269|PubMed:19583303, ECO:0000269|PubMed:3151019, ECO:0000269|PubMed:3151020, ECO:0000269|PubMed:4621826, ECO:0000269|PubMed:7761440, ECO:0000269|PubMed:7803386, ECO:0000269|PubMed:7901850, ECO:0000269|PubMed:8218160, ECO:0000269|PubMed:8262987, ECO:0000269|PubMed:8331673, ECO:0000269|PubMed:8399159, ECO:0000269|PubMed:8431430, ECO:0000269|PubMed:8451242, ECO:0000269|PubMed:8482389, ECO:0000269|PubMed:8639494, ECO:0000269|PubMed:8987974, ECO:0000269|PubMed:9398308, ECO:0000269|PubMed:9865942
source Swiss-Prot : SWS_FT_FI2

18) chain A
residue 96
type BINDING
sequence H
description BINDING => ECO:0000269|PubMed:11076507, ECO:0000269|PubMed:12499545, ECO:0000269|PubMed:1336460, ECO:0000269|PubMed:1433293, ECO:0000269|PubMed:1909891, ECO:0000269|PubMed:19583303, ECO:0000269|PubMed:3151019, ECO:0000269|PubMed:3151020, ECO:0000269|PubMed:7761440, ECO:0000269|PubMed:7803386, ECO:0000269|PubMed:7901850, ECO:0000269|PubMed:8218160, ECO:0000269|PubMed:8262987, ECO:0000269|PubMed:8331673, ECO:0000269|PubMed:8399159, ECO:0000269|PubMed:8431430, ECO:0000269|PubMed:8451242, ECO:0000269|PubMed:8482389, ECO:0000269|PubMed:8639494, ECO:0000269|PubMed:8987974, ECO:0000269|PubMed:9398308, ECO:0000269|PubMed:9865942
source Swiss-Prot : SWS_FT_FI3

19) chain A
residue 119
type BINDING
sequence H
description BINDING => ECO:0000269|PubMed:11076507, ECO:0000269|PubMed:12499545, ECO:0000269|PubMed:1336460, ECO:0000269|PubMed:1433293, ECO:0000269|PubMed:1909891, ECO:0000269|PubMed:19583303, ECO:0000269|PubMed:3151019, ECO:0000269|PubMed:3151020, ECO:0000269|PubMed:7761440, ECO:0000269|PubMed:7803386, ECO:0000269|PubMed:7901850, ECO:0000269|PubMed:8218160, ECO:0000269|PubMed:8262987, ECO:0000269|PubMed:8331673, ECO:0000269|PubMed:8399159, ECO:0000269|PubMed:8431430, ECO:0000269|PubMed:8451242, ECO:0000269|PubMed:8482389, ECO:0000269|PubMed:8639494, ECO:0000269|PubMed:8987974, ECO:0000269|PubMed:9398308, ECO:0000269|PubMed:9865942
source Swiss-Prot : SWS_FT_FI3

20) chain A
residue 105-121
type prosite
sequence SEHTVDKKKYAAELHLV
description ALPHA_CA_1 Alpha-carbonic anhydrases signature. SEHtVdkkkYaaELHLV
source prosite : PS00162

21) chain A
residue 199
type BINDING
sequence T
description BINDING => ECO:0000269|PubMed:10550681, ECO:0000269|PubMed:19520834
source Swiss-Prot : SWS_FT_FI4

22) chain A
residue 7
type SITE
sequence Y
description Fine-tunes the proton-transfer properties of H-64 => ECO:0000305|PubMed:17330962
source Swiss-Prot : SWS_FT_FI5

23) chain A
residue 166
type MOD_RES
sequence S
description Phosphoserine => ECO:0007744|PubMed:24275569
source Swiss-Prot : SWS_FT_FI9

24) chain A
residue 173
type MOD_RES
sequence S
description Phosphoserine => ECO:0007744|PubMed:24275569
source Swiss-Prot : SWS_FT_FI9

25) chain A
residue 62
type SITE
sequence N
description Fine-tunes the proton-transfer properties of H-64; involved in the binding of some activators, including histamine and L-histidine => ECO:0000269|PubMed:16214338, ECO:0000269|PubMed:9265618, ECO:0000305|PubMed:17330962
source Swiss-Prot : SWS_FT_FI6

26) chain A
residue 67
type SITE
sequence N
description Fine-tunes the proton-transfer properties of H-64; involved in the binding of some activators, including histamine and L-histidine => ECO:0000269|PubMed:16214338, ECO:0000269|PubMed:9265618, ECO:0000305|PubMed:17330962
source Swiss-Prot : SWS_FT_FI6

27) chain A
residue 92
type SITE
sequence Q
description Involved in the binding of some activators, including histamine and L-histidine => ECO:0000269|PubMed:16214338, ECO:0000269|PubMed:9265618, ECO:0000305|PubMed:17330962
source Swiss-Prot : SWS_FT_FI7


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