The prostaphopain B structure
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| D | SCOP2B Superfamily | Cystatin/monellin | 8043728 | 3000441 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | Cysteine proteinases | 8034081 | 3001808 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | Cystatin/monellin | 8043728 | 3000441 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | Cysteine proteinases | 8034081 | 3001808 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Cysteine proteinases | 8034081 | 3001808 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Cystatin/monellin | 8043728 | 3000441 | SCOP2B (2022-06-29) |
| A | SCOP2 Family | Staphopain B, prodomain | 8031350 | 4003676 | SCOP2 (2022-06-29) |
| A | SCOP2 Superfamily | Cystatin/monellin | 8043728 | 3000441 | SCOP2 (2022-06-29) |
| A | SCOP2B Superfamily | Cysteine proteinases | 8034081 | 3001808 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| D | Staphopain_pro | e1x9yD1 | A: a+b two layers | X: Cystatin-like | H: Cystatin/monellin (From Topology) | T: Cystatin/monellin | F: Staphopain_pro | ECOD (1.6) |
| D | Peptidase_C47 | e1x9yD2 | A: a+b complex topology | X: Cysteine proteinases-like | H: Cysteine proteinases (From Topology) | T: Cysteine proteinases | F: Peptidase_C47 | ECOD (1.6) |
| C | Staphopain_pro | e1x9yC1 | A: a+b two layers | X: Cystatin-like | H: Cystatin/monellin (From Topology) | T: Cystatin/monellin | F: Staphopain_pro | ECOD (1.6) |
| C | Peptidase_C47 | e1x9yC2 | A: a+b complex topology | X: Cysteine proteinases-like | H: Cysteine proteinases (From Topology) | T: Cysteine proteinases | F: Peptidase_C47 | ECOD (1.6) |
| B | Staphopain_pro | e1x9yB1 | A: a+b two layers | X: Cystatin-like | H: Cystatin/monellin (From Topology) | T: Cystatin/monellin | F: Staphopain_pro | ECOD (1.6) |
| B | Peptidase_C47 | e1x9yB2 | A: a+b complex topology | X: Cysteine proteinases-like | H: Cysteine proteinases (From Topology) | T: Cysteine proteinases | F: Peptidase_C47 | ECOD (1.6) |
| A | Staphopain_pro | e1x9yA1 | A: a+b two layers | X: Cystatin-like | H: Cystatin/monellin (From Topology) | T: Cystatin/monellin | F: Staphopain_pro | ECOD (1.6) |
| A | Peptidase_C47 | e1x9yA2 | A: a+b complex topology | X: Cysteine proteinases-like | H: Cysteine proteinases (From Topology) | T: Cysteine proteinases | F: Peptidase_C47 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| D | 3.10.500.10 | Alpha Beta | Roll | prostaphopain b, domain 1 | Staphopain proregion domain | CATH (4.3.0) |
| D | 3.90.70.10 | Alpha Beta | Alpha-Beta Complex | Cathepsin B | Chain A | CATH (4.3.0) |
| C | 3.10.500.10 | Alpha Beta | Roll | prostaphopain b, domain 1 | Staphopain proregion domain | CATH (4.3.0) |
| C | 3.90.70.10 | Alpha Beta | Alpha-Beta Complex | Cathepsin B | Chain A | CATH (4.3.0) |
| B | 3.10.500.10 | Alpha Beta | Roll | prostaphopain b, domain 1 | Staphopain proregion domain | CATH (4.3.0) |
| B | 3.90.70.10 | Alpha Beta | Alpha-Beta Complex | Cathepsin B | Chain A | CATH (4.3.0) |
| A | 3.10.500.10 | Alpha Beta | Roll | prostaphopain b, domain 1 | Staphopain proregion domain | CATH (4.3.0) |
| A | 3.90.70.10 | Alpha Beta | Alpha-Beta Complex | Cathepsin B | Chain A | CATH (4.3.0) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| cysteine proteinase |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR038765 | Papain-like cysteine peptidase superfamily | Homologous Superfamily | |
| IPR028076 | Staphopain proregion | Domain | |
| IPR025660 | Cysteine peptidase, histidine active site | Active Site | |
| IPR037155 | Staphopain proregion superfamily | Homologous Superfamily | |
| IPR008750 | Staphopain peptidase C47 | Family | |
| IPR046350 | Cystatin superfamily | Homologous Superfamily |
Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage
| Chains | Enzyme Name | Description | Catalytic Residues |
|---|---|---|---|
| staphopain M-CSA #805 | Staphopain B is a possible virulence factor from Staphylococcus aureus, and is a member of the papain superfamily of cysteine proteases. It is able to degrade elastin, fibrogen, fibronectin and kininogen. Exhibits a strong preference for substrates where arginine is preceded by a hydrophobic amino acid. Promotes detachment of primary human keratinocytes. Along with other extracellular proteases is involved in colonization and infection of human tissues Staphostatin B is a specific inhibitor of staphopain B encoded in the same operon. Inhibition of staphopains is a target for treatment of antibiotic-resistant S. aureus infections. It is a produced as an inactive proenzyme, which is comprised of the active part of the enzyme, the mature form, and a covalently bonded inhibitory pro-region. Activation of the enzyme requires cleavage of the N terminal inhibitory pro-region (staphostatin B) | Defined by 4 residues: GLN:A-203 [auth A-237]CYS:A-209 [auth A-243]HIS:A-306 [auth A-340]ASN:A-326 [auth A-360] | EC: 3.4.22 (PDB Primary Data) |
