Annotations: 1BRS

PROTEIN-PROTEIN RECOGNITION: CRYSTAL STRUCTURAL ANALYSIS OF A BARNASE-BARSTAR COMPLEX AT 2.0-A RESOLUTION

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F	d1brsf_	Alpha and beta proteins (a/b)	Barstar-like	Barstar-related	Barstar-related	Barstar (barnase inhibitor)	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
E	d1brse_	Alpha and beta proteins (a/b)	Barstar-like	Barstar-related	Barstar-related	Barstar (barnase inhibitor)	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
D	d1brsd_	Alpha and beta proteins (a/b)	Barstar-like	Barstar-related	Barstar-related	Barstar (barnase inhibitor)	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
C	d1brsc_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Bacterial ribonucleases	Barnase	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
B	d1brsb_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Bacterial ribonucleases	Barnase	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
A	d1brsa_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Bacterial ribonucleases	Barnase	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F	SCOP2B Superfamily	Barstar-related	8043969	3000977	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Barstar-related	8043969	3000977	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Barstar-related	8043969	3000977	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Microbial ribonucleases	8033554	3001847	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Microbial ribonucleases	8033554	3001847	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Microbial ribonucleases	8033554	3001847	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)
F	Glyco_hydro_20b	e1brsF1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Glyco_hydro_20b	ECOD (v295.2)
E	Glyco_hydro_20b	e1brsE1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Glyco_hydro_20b	ECOD (v295.2)
D	Glyco_hydro_20b	e1brsD1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Glyco_hydro_20b	ECOD (v295.2)
C	HSP90,HATPase_c_3	e1brsC1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90,HATPase_c_3	ECOD (v295.2)
B	HSP90,HATPase_c_3	e1brsB1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90,HATPase_c_3	ECOD (v295.2)
A	HSP90,HATPase_c_3	e1brsA1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90,HATPase_c_3	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	3.30.370.10	Alpha Beta	2-Layer Sandwich	Barnase	Chain D	CATH (4.3.0)
E	3.30.370.10	Alpha Beta	2-Layer Sandwich	Barnase	Chain D	CATH (4.3.0)
D	3.30.370.10	Alpha Beta	2-Layer Sandwich	Barnase	Chain D	CATH (4.3.0)
C	3.10.450.30	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
B	3.10.450.30	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
A	3.10.450.30	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, E, F	BARSTAR	-	-	cellular anatomical structure intracellular anatomical structure cytoplasm
A, B, C	BARNASE	endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity RNA binding binding nucleic acid binding	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D, E, F	IPR000468	Barstar (barnase inhibitor)	Domain
D, E, F	IPR035905	Barstar-like superfamily	Homologous Superfamily
A, B, C	IPR000026	Guanine-specific ribonuclease N1-like	Family
A, B, C	IPR053753	Ribonuclease N1/T1-like	Homologous Superfamily
A, B, C	IPR001887	Barnase	Family
A, B, C	IPR016191	Ribonuclease/ribotoxin	Homologous Superfamily