1REG | pdb_00001reg

CRYSTAL STRUCTURE OF THE T4 REGA TRANSLATIONAL REGULATOR PROTEIN AT 1.9 ANGSTROMS RESOLUTION

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)
B [auth Y]	d1regy_	Alpha and beta proteins (a+b)	Ferredoxin-like	Translational regulator protein regA	Translational regulator protein regA	Translational regulator protein regA	(Tequatrovirus T4 ) [TaxId: 10665 ],	SCOPe (2.08)
A [auth X]	d1regx_	Alpha and beta proteins (a+b)	Ferredoxin-like	Translational regulator protein regA	Translational regulator protein regA	Translational regulator protein regA	(Tequatrovirus T4 ) [TaxId: 10665 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth Y]	SCOP2B Superfamily	Translational regulator protein regA	8035553	3001253	SCOP2B (2022-06-29)
A [auth X]	SCOP2 Family	Translational regulator protein regA	8023173	4001308	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Superfamily	Translational regulator protein regA	8035553	3001253	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)
B [auth Y]	Fer4,DUF3470	e1regY1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Fer4,DUF3470	ECOD (v295.2)
A [auth X]	Translat_reg	e1regX1	A: a+b two layers	X: Alpha-beta plaits	H: Translational regulator protein regA	T: Translational regulator protein regA	F: Translat_reg	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth Y]	3.30.70.650	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Translation repressor RegA	CATH (4.3.0)
A [auth X]	3.30.70.650	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Translation repressor RegA	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth X], B [auth Y]	PF01818	Bacteriophage translational regulator (Translat_reg)	Bacteriophage translational regulator	The translational regulator protein regA is encoded by the T4 bacteriophage and binds to a region of messenger RNA (mRNA) that includes the initiator codon. RegA is unusual in that it represses the translation of about 35 early T4 mRNAs but does not ...	The translational regulator protein regA is encoded by the T4 bacteriophage and binds to a region of messenger RNA (mRNA) that includes the initiator codon. RegA is unusual in that it represses the translation of about 35 early T4 mRNAs but does not affect nearly 200 other mRNAs [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth X], B [auth Y]	T4 REGA	RNA binding binding nucleic acid binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth X], B [auth Y]	IPR036516	Translation repressor RegA superfamily	Homologous Superfamily
A [auth X], B [auth Y]	IPR002702	Translation repressor RegA	Family