PDB: 1stf Compound: Papain (cys 25 carboxymethylated) complexed with t Classification: HYDROLASE(SULFHYDRYL PROTEINASE) Entry date in PDB: 1994-01-31 Resolution [Å]: 2.37 R-Factor: 0.190

CHAIN: E SWISS-PROT/TREMBL: P00784    KEYWORD: 3D-structure    Hydrolase    Signal    Thiol protease    Zymogen    EC: 3.4.22.2 SCOP: d.3.1.1 Alpha and beta proteins (a+b)    Cysteine proteinases    Cysteine proteinases    Papain-like    Papain    Papaya (Carica papaya) GO:  cysteine-type endopeptidase activity    cysteine-type peptidase activity    proteolysis and peptidolysis    CHAIN: I SWISS-PROT/TREMBL: P04080    KEYWORD: 3D-structure    Acetylation    Disease mutation    Epilepsy    Nuclear protein    Thiol protease inhibitor    SCOP: d.17.1.2 Alpha and beta proteins (a+b)    Cystatin-like    Cystatin/monellin    Cystatins    Cystatin B (stefin B)    Human (Homo sapiens) GO:  intracellular    cysteine protease inhibitor activity    endopeptidase inhibitor activity

Image Source: PDB

Loops in ArchDB40 clusters

1stf_I_15 - EH => SUBCLASS : 1.1.4

Loops in ArchDB95 clusters

1stf_I_15 - EH => SUBCLASS : 2.2.1
1stf_I_94 - HA => SUBCLASS : 10.8.1

Loops not clustered in ArchDB

1stf_I_46 - HA
1stf_I_57 - HA
1stf_I_29 - HE
1stf_I_19 - HH

1gec E - percentage of sequence identity: 64
1khq A - percentage of sequence identity: 98
1ppo - - percentage of sequence identity: 66