1NB3

Crystal structure of stefin A in complex with cathepsin H: N-terminal residues of inhibitors can adapt to the active sites of endo-and exopeptidases

External Resource: Annotation


Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1nb3.1 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
D [auth B]d1nb3.2 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
G [auth C]d1nb3.3 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
J [auth D]d1nb3.4 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
E [auth R]d1nb3.2 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
K [auth T]d1nb3.4 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
B [auth P]d1nb3.1 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
H [auth S]d1nb3.3 Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Papain-like Cathepsin H (Sus scrofa ) [TaxId: 9823 ], SCOPe (2.08)
C [auth I]d1nb3i_ Alpha and beta proteins (a+b) Cystatin-like Cystatin/monellin Cystatins Cystatin A (stefin A) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
F [auth J]d1nb3j_ Alpha and beta proteins (a+b) Cystatin-like Cystatin/monellin Cystatins Cystatin A (stefin A) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
I [auth K]d1nb3k_ Alpha and beta proteins (a+b) Cystatin-like Cystatin/monellin Cystatins Cystatin A (stefin A) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ld1nb3l_ Alpha and beta proteins (a+b) Cystatin-like Cystatin/monellin Cystatins Cystatin A (stefin A) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyPapain-like8066298 4000859 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyCysteine proteinases8066299 3001808 SCOP2 (2022-06-29)
D [auth B]SCOP2B SuperfamilyCysteine proteinases8066299 3001808 SCOP2B (2022-06-29)
G [auth C]SCOP2B SuperfamilyCysteine proteinases8066299 3001808 SCOP2B (2022-06-29)
J [auth D]SCOP2B SuperfamilyCysteine proteinases8066299 3001808 SCOP2B (2022-06-29)
C [auth I]SCOP2B SuperfamilyCystatin/monellin8043729 3000441 SCOP2B (2022-06-29)
F [auth J]SCOP2B SuperfamilyCystatin/monellin8043729 3000441 SCOP2B (2022-06-29)
I [auth K]SCOP2B SuperfamilyCystatin/monellin8043729 3000441 SCOP2B (2022-06-29)
LSCOP2B SuperfamilyCystatin/monellin8043729 3000441 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
C [auth I]Cystatine1nb3I1 A: a+b two layersX: Cystatin-likeH: Cystatin/monellin (From Topology)T: Cystatin/monellinF: CystatinECOD (1.6)
F [auth J]Cystatine1nb3J1 A: a+b two layersX: Cystatin-likeH: Cystatin/monellin (From Topology)T: Cystatin/monellinF: CystatinECOD (1.6)
I [auth K]Cystatine1nb3K1 A: a+b two layersX: Cystatin-likeH: Cystatin/monellin (From Topology)T: Cystatin/monellinF: CystatinECOD (1.6)
LCystatine1nb3L1 A: a+b two layersX: Cystatin-likeH: Cystatin/monellin (From Topology)T: Cystatin/monellinF: CystatinECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.90.70.10 Alpha Beta Alpha-Beta Complex Cathepsin B Chain ACATH (4.3.0)
D [auth B]3.90.70.10 Alpha Beta Alpha-Beta Complex Cathepsin B Chain ACATH (4.3.0)
G [auth C]3.90.70.10 Alpha Beta Alpha-Beta Complex Cathepsin B Chain ACATH (4.3.0)
J [auth D]3.90.70.10 Alpha Beta Alpha-Beta Complex Cathepsin B Chain ACATH (4.3.0)
C [auth I]3.10.450.10 Alpha Beta Roll Nuclear Transport Factor 2 Chain: A,CATH (4.3.0)
F [auth J]3.10.450.10 Alpha Beta Roll Nuclear Transport Factor 2 Chain: A,CATH (4.3.0)
I [auth K]3.10.450.10 Alpha Beta Roll Nuclear Transport Factor 2 Chain: A,CATH (4.3.0)
L3.10.450.10 Alpha Beta Roll Nuclear Transport Factor 2 Chain: A,CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A,
D [auth B],
G [auth C],
J [auth D]		PF00112Papain family cysteine protease (Peptidase_C1)Papain family cysteine protease- Domain
C [auth I],
F [auth J],
I [auth K],
L		PF00031Cystatin domain (Cystatin)Cystatin domainVery diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q1 ...Very diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q10993 are found. Pfam:PF00666 are related to this family but have not been included.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A,
D [auth B],
G [auth C],
J [auth D]		Cathepsin H
B [auth P],
E [auth R],
H [auth S],
K [auth T]		CATHEPSIN H MINI CHAIN
C [auth I],
F [auth J],
I [auth K],
L		Stefin A

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A,
D [auth B],
G [auth C],
J [auth D]		IPR025661Cysteine peptidase, asparagine active siteActive Site
A,
D [auth B],
G [auth C],
J [auth D]		IPR000169Cysteine peptidase, cysteine active siteActive Site
A,
D [auth B],
G [auth C],
J [auth D]		IPR038765Papain-like cysteine peptidase superfamilyHomologous Superfamily
A,
D [auth B],
G [auth C],
J [auth D]		IPR013128Peptidase C1AFamily
A,
D [auth B],
G [auth C],
J [auth D]		IPR000668Peptidase C1A, papain C-terminalDomain
A,
D [auth B],
G [auth C],
J [auth D]		IPR013201Cathepsin propeptide inhibitor domain (I29)Domain
A,
D [auth B],
G [auth C],
J [auth D]		IPR025660Cysteine peptidase, histidine active siteActive Site
A,
D [auth B],
G [auth C],
J [auth D]		IPR039417Papain-like cysteine endopeptidaseDomain
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR025661Cysteine peptidase, asparagine active siteActive Site
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR000169Cysteine peptidase, cysteine active siteActive Site
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR038765Papain-like cysteine peptidase superfamilyHomologous Superfamily
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR013128Peptidase C1AFamily
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR000668Peptidase C1A, papain C-terminalDomain
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR013201Cathepsin propeptide inhibitor domain (I29)Domain
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR025660Cysteine peptidase, histidine active siteActive Site
B [auth P],
E [auth R],
H [auth S],
K [auth T]		IPR039417Papain-like cysteine endopeptidaseDomain
C [auth I],
F [auth J],
I [auth K],
L		IPR018073Proteinase inhibitor I25, cystatin, conserved siteConserved Site
C [auth I],
F [auth J],
I [auth K],
L		IPR001713Proteinase inhibitor I25A, stefinFamily
C [auth I],
F [auth J],
I [auth K],
L		IPR000010Cystatin domainDomain
C [auth I],
F [auth J],
I [auth K],
L		IPR046350Cystatin superfamilyHomologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
C [auth I],
F [auth J],
I [auth K],
L		Pharos:  P01040