Annotations: 2C4B

Inhibitor cystine knot protein McoEeTI fused to the catalytically inactive barnase mutant H102A

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)
B	d2c4bb1	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Bacterial ribonucleases	Barnase	(Bacillus amyloliquefaciens ) [TaxId: 1390 ], (Momordica cochinchinensis ) [TaxId: 3674 ], (Ecballium elaterium ) [TaxId: 3679 ],	SCOPe (2.08)
B	d2c4bb2	Small proteins	Knottins (small inhibitors, toxins, lectins)	Plant inhibitors of proteinases and amylases	Plant inhibitors of proteinases and amylases	Trypsin inhibitor	(Bacillus amyloliquefaciens ) [TaxId: 1390 ], (Momordica cochinchinensis ) [TaxId: 3674 ], (Ecballium elaterium ) [TaxId: 3679 ],	SCOPe (2.08)
A	d2c4ba1	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Bacterial ribonucleases	Barnase	(Bacillus amyloliquefaciens ) [TaxId: 1390 ], (Momordica cochinchinensis ) [TaxId: 3674 ], (Ecballium elaterium ) [TaxId: 3679 ],	SCOPe (2.08)
A	d2c4ba2	Small proteins	Knottins (small inhibitors, toxins, lectins)	Plant inhibitors of proteinases and amylases	Plant inhibitors of proteinases and amylases	Trypsin inhibitor	(Bacillus amyloliquefaciens ) [TaxId: 1390 ], (Momordica cochinchinensis ) [TaxId: 3674 ], (Ecballium elaterium ) [TaxId: 3679 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
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)
B	Polyketide_cyc2	e2c4bB1	A: beta barrels	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Polyketide_cyc2	ECOD (v294.2)
B	Chitin_bind_1	e2c4bB2	A: beta barrels	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: Chitin_bind_1	ECOD (v294.2)
A	Ribonuclease	e2c4bA1	A: a+b two layers	X: Microbial ribonucleases-like	H: Microbial ribonucleases	T: Microbial ribonucleases	F: Ribonuclease	ECOD (v294.2)
A	Chitin_bind_1	e2c4bA2	A: beta barrels	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: Chitin_bind_1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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
A, B	BARNASE MCOEETI FUSION	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 enzyme regulator activity molecular function inhibitor activity peptidase regulator activity 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 enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	response to stimulus defense response response to stress	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000026	Guanine-specific ribonuclease N1-like	Family
A, B	IPR053753	Ribonuclease N1/T1-like	Homologous Superfamily
A, B	IPR001887	Barnase	Family
A, B	IPR016191	Ribonuclease/ribotoxin	Homologous Superfamily
A, B	IPR011052	Proteinase/amylase inhibitor domain superfamily	Homologous Superfamily
A, B	IPR000737	Proteinase inhibitor I7, squash	Family
A, B	IPR011052	Proteinase/amylase inhibitor domain superfamily	Homologous Superfamily
A, B	IPR000737	Proteinase inhibitor I7, squash	Family

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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.