3I4O | pdb_00003i4o

Crystal Structure of Translation Initiation Factor 1 from Mycobacterium tuberculosis

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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)
A	d3i4oa_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Cold shock DNA-binding domain-like	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d3i4ob_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Cold shock DNA-binding domain-like	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nucleic acid-binding proteins	8086088	3000135	SCOP2B (2022-06-29)
B	SCOP2 Family	Cold shock DNA-binding domain-like	8086087	4001909	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Nucleic acid-binding proteins	8086088	3000135	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	eIF-1a	e3i4oA1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: HTH	T: winged helix domain	F: eIF-1a	ECOD (v294.1)
B	RVP	e3i4oB1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: RVP	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
B	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01176	Translation initiation factor 1A / IF-1 (eIF-1a)	Translation initiation factor 1A / IF-1	This family includes both the eukaryotic translation factor eIF-1A and the bacterial translation initiation factor IF-1.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Translation initiation factor IF-1	translation factor activity translation initiation factor activity RNA binding binding rRNA binding nucleic acid binding ribonucleoprotein complex binding protein-containing complex binding ribosome binding	-	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane external encapsulating structure extracellular region cell wall peptidoglycan-based cell wall

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, B	IPR006196	RNA-binding domain, S1, IF1 type	Domain
A, B	IPR004368	Translation initiation factor IF-1	Family

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.