eF-site ID 1qtn-AB
PDB Code 1qtn
Chain A, B

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Title CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE-8 WITH THE TETRAPEPTIDE INHIBITOR ACE-IETD-ALDEHYDE
Classification HYDROLASE/HYDROLASE INHIBITOR
Compound CASPASE-8
Source Homo sapiens (Human) (1QTN)
Sequence A:  DKVYQMKSKPRGYCLIINNHNFAKAREKVPKLHSIRDRNG
THLDAGALTTTFEELHFEIKPHDDCTVEQIYEILKIYQLM
DHSNMDCFICCILSHGDKGIIYGTDGQEAPIYELTSQFTG
LKCPSLAGKPKVFFIQACQGDNYQKGIPVETD
B:  TRYIPDEADFLLGMATVNNCVSYRNPAEGTWYIQSLCQSL
RERCPRGDDILTILTEVNYEVSNKDDKKNMGKQMPQPTFT
LRKKLVFPSD
Description


Functional site

1) chain A
residue 334
type
sequence Y
description BINDING SITE FOR RESIDUE DTD B 505
source : AC1

2) chain A
residue 337
type
sequence T
description BINDING SITE FOR RESIDUE DTD B 505
source : AC1

3) chain B
residue 396
type
sequence E
description BINDING SITE FOR RESIDUE DTD B 505
source : AC1

4) chain B
residue 399
type
sequence F
description BINDING SITE FOR RESIDUE DTD B 505
source : AC1

5) chain B
residue 401
type
sequence L
description BINDING SITE FOR RESIDUE DTD B 505
source : AC1

6) chain B
residue 469
type
sequence T
description BINDING SITE FOR RESIDUE DTD B 505
source : AC1

7) chain A
residue 231
type
sequence K
description BINDING SITE FOR RESIDUE DTD A 506
source : AC2

8) chain A
residue 232
type
sequence P
description BINDING SITE FOR RESIDUE DTD A 506
source : AC2

9) chain A
residue 278
type
sequence H
description BINDING SITE FOR RESIDUE DTD A 506
source : AC2

10) chain A
residue 290
type
sequence E
description BINDING SITE FOR RESIDUE DTD A 506
source : AC2

11) chain A
residue 294
type
sequence E
description BINDING SITE FOR RESIDUE DTD A 506
source : AC2

12) chain A
residue 260
type
sequence R
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

13) chain A
residue 317
type
sequence H
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

14) chain A
residue 318
type
sequence G
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

15) chain A
residue 358
type
sequence Q
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

16) chain A
residue 360
type
sequence C
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

17) chain B
residue 411
type
sequence S
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

18) chain B
residue 412
type
sequence Y
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

19) chain B
residue 413
type
sequence R
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

20) chain B
residue 415
type
sequence P
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

21) chain B
residue 420
type
sequence W
description BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR-ASP-ALDEHYDE
source : AC3

22) chain A
residue 258
type catalytic
sequence R
description 818
source MCSA : MCSA1

23) chain A
residue 317
type catalytic
sequence H
description 818
source MCSA : MCSA1

24) chain A
residue 318
type catalytic
sequence G
description 818
source MCSA : MCSA1

25) chain A
residue 360
type catalytic
sequence C
description 818
source MCSA : MCSA1

26) chain A
residue 304-318
type prosite
sequence HSNMDCFICCILSHG
description CASPASE_HIS Caspase family histidine active site. HsnmdCfiCcILSHG
source prosite : PS01121

27) chain A
residue 351-362
type prosite
sequence KPKVFFIQACQG
description CASPASE_CYS Caspase family cysteine active site. KPKVFFIQACQG
source prosite : PS01122

28) chain A
residue 360
type MOD_RES
sequence C
description Phosphoserine; by CDK1 => ECO:0000269|PubMed:20937773
source Swiss-Prot : SWS_FT_FI1

29) chain B
residue 413
type MOD_RES
sequence R
description (Microbial infection) ADP-riboxanated arginine => ECO:0000269|PubMed:35338844, ECO:0000269|PubMed:35446120
source Swiss-Prot : SWS_FT_FI2

30) chain A
residue 374
type SITE
sequence D
description Cleavage; by CASP6 => ECO:0000269|PubMed:22858542
source Swiss-Prot : SWS_FT_FI3

31) chain A
residue 224
type MOD_RES
sequence K
description N6-acetyllysine => ECO:0000250|UniProtKB:O89110
source Swiss-Prot : SWS_FT_FI5

32) chain A
residue 334
type MOD_RES
sequence Y
description Phosphotyrosine => ECO:0007744|PubMed:15592455
source Swiss-Prot : SWS_FT_FI6


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