eF-site ID 1cew-I
PDB Code 1cew
Chain I

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Title THE 2.0 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF CHICKEN EGG WHITE CYSTATIN AND ITS POSSIBLE MODE OF INTERACTION WITH CYSTEINE PROTEINASES
Classification PROTEINASE INHIBITOR(CYSTEINE)
Compound CYSTATIN
Source null (CYT_CHICK)
Sequence I:  GAPVPVDENDEGLQRALQFAMAEYNRASNDKYSSRVVRVI
SAKRQLVSGIKYILQVEIGRTTCPKSSGDLQSCEFHDEPE
MAKYTTCTFVVYSIPWLNQIKLLESKCQ
Description (1)  CYSTATIN


Functional site

1) chain I
residue 52-65
type prosite
sequence RQLVSGIKYILQVE
description CYSTATIN Cysteine proteases inhibitors signature. RQLVSGIKYiLQVE
source prosite : PS00287

2) chain I
residue 80
type MOD_RES
sequence S
description Phosphoserine => ECO:0000269|PubMed:2721673
source Swiss-Prot : SWS_FT_FI2

3) chain I
residue 9
type SITE
sequence G
description Reactive site
source Swiss-Prot : SWS_FT_FI1


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