2ZA4 | pdb_00002za4

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2za4a_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Bacterial ribonucleases	Barnase	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
C	d2za4c_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Bacterial ribonucleases	Barnase	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
B	d2za4b_	Alpha and beta proteins (a/b)	Barstar-like	Barstar-related	Barstar-related	automated matches	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
D	d2za4d_	Alpha and beta proteins (a/b)	Barstar-like	Barstar-related	Barstar-related	automated matches	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Microbial ribonucleases	8033554	3001847	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Microbial ribonucleases	8033554	3001847	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Barstar-related	8043969	3000977	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Barstar-related	8043969	3000977	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Redoxin	e2za4A1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (v294.1)
C	Redoxin	e2za4C1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (v294.1)
B	Redoxin	e2za4B1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (v294.1)
D	Redoxin	e2za4D1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.450.30	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
C	3.10.450.30	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
B	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)

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

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.