7ZKI | pdb_00007zki

Cryo-EM structure of aIF1A:aIF5B:Met-tRNAiMet complex from a Pyrococcus abyssi 30S initiation complex

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth 6]	SCOP2B Superfamily	Nucleic acid-binding proteins	8085842	3000135	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)
C [auth 7]	GTP_EFTU_D2_2	e7zki72	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: GTP_EFTU_D2_2	ECOD (1.6)
C [auth 7]	GTP_EFTU_D4	e7zki74	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: GTP_EFTU_D4	ECOD (1.6)
C [auth 7]	MnmE_helical_2nd	e7zki71	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: MnmE_helical_2nd	ECOD (1.6)
C [auth 7]	IF-2	e7zki73	A: a/b three-layered sandwiches	X: Initiation factor IF2/eIF5b, domain 3 (From Topology)	H: Initiation factor IF2/eIF5b, domain 3 (From Topology)	T: Initiation factor IF2/eIF5b, domain 3	F: IF-2	ECOD (1.6)
B [auth 6]	eIF-1a	e7zki61	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: eIF-1a	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth 7]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth 7]	Translation initiation factor 5B	translation factor activity translation initiation factor activity endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid catalytic activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding translation factor activity translation initiation factor activity endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid catalytic activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides	intein-mediated protein splicing primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process protein splicing nucleobase-containing compound metabolic process intein-mediated protein splicing primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process protein splicing nucleobase-containing compound metabolic process DNA recombination DNA metabolic process nucleic acid metabolic process intron homing	cellular anatomical structure intracellular anatomical structure cytoplasm
B [auth 6]	Translation initiation factor 1A	translation factor activity translation initiation factor activity RNA binding binding nucleic acid binding	-	-
A [auth 4]	Met-tRNAiMet	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth 7]	IPR005225	Small GTP-binding domain	Domain
C [auth 7]	IPR036844	Hint domain superfamily	Homologous Superfamily
C [auth 7]	IPR000795	Translational (tr)-type GTP-binding domain	Domain
C [auth 7]	IPR030934	Intein C-terminal splicing region	Conserved Site
C [auth 7]	IPR004042	Intein DOD homing endonuclease, central region	Domain
C [auth 7]	IPR027434	Homing endonuclease	Homologous Superfamily
C [auth 7]	IPR004161	Translation elongation factor EFTu-like, domain 2	Domain
C [auth 7]	IPR006141	Intein N-terminal splicing region	PTM
C [auth 7]	IPR029459	Elongation factor Tu-type domain	Domain
C [auth 7]	IPR003587	Hint domain N-terminal	Domain
C [auth 7]	IPR009000	Translation protein, beta-barrel domain superfamily	Homologous Superfamily
C [auth 7]	IPR015760	Translation initiation factor IF- 2	Family
C [auth 7]	IPR004544	Translation initiation factor aIF-2, archaea	Family
C [auth 7]	IPR036925	Translation initiation factor IF-2, domain 3 superfamily	Homologous Superfamily
C [auth 7]	IPR023115	Translation initiation factor IF- 2, domain 3	Domain
C [auth 7]	IPR003586	Hint domain C-terminal	Domain
C [auth 7]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
B [auth 6]	IPR018104	Translation initiation factor 1A (eIF-1A), conserved site	Conserved Site
B [auth 6]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
B [auth 6]	IPR006196	RNA-binding domain, S1, IF1 type	Domain
B [auth 6]	IPR001253	Translation initiation factor 1A (eIF-1A)	Family