2BKY | pdb_00002bky

Crystal structure of the Alba1:Alba2 heterodimer from sulfolobus solfataricus

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)
D [auth Y]	d2bkyy_	Alpha and beta proteins (a+b)	IF3-like	AlbA-like	DNA-binding protein AlbA	DNA-binding protein AlbA	(Saccharolobus solfataricus P2 ) [TaxId: 273057 ],	SCOPe (2.08)
C [auth X]	d2bkyx_	Alpha and beta proteins (a+b)	IF3-like	AlbA-like	DNA-binding protein AlbA	DNA-binding protein AlbA	(Saccharolobus solfataricus P2 ) [TaxId: 273057 ],	SCOPe (2.08)
B	d2bkyb_	Alpha and beta proteins (a+b)	IF3-like	AlbA-like	DNA-binding protein AlbA	automated matches	(Saccharolobus solfataricus P2 ) [TaxId: 273057 ],	SCOPe (2.08)
A	d2bkya_	Alpha and beta proteins (a+b)	IF3-like	AlbA-like	DNA-binding protein AlbA	automated matches	(Saccharolobus solfataricus P2 ) [TaxId: 273057 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth Y]	SCOP2B Superfamily	AlbA-like	8038287	3000507	SCOP2B (2022-06-29)
C [auth X]	SCOP2 Family	DNA-binding protein AlbA	8025908	4003254	SCOP2 (2022-06-29)
C [auth X]	SCOP2 Superfamily	AlbA-like	8038287	3000507	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	AlbA-like	8038286	3000507	SCOP2B (2022-06-29)
A	SCOP2 Family	DNA-binding protein AlbA	8025907	4003254	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	AlbA-like	8038286	3000507	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)
D [auth Y]	HSP90	e2bkyY1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90	ECOD (v294.1)
C [auth X]	Alba	e2bkyX1	A: a+b two layers	X: IF3-like	H: AlbA-like	T: AlbA-like	F: Alba	ECOD (v294.1)
B	HSP90	e2bkyB1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90	ECOD (v294.1)
A	Alba	e2bkyA1	A: a+b two layers	X: IF3-like	H: AlbA-like	T: AlbA-like	F: Alba	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth Y]	3.30.110.20	Alpha Beta	2-Layer Sandwich	Translation Initiation Factor IF3	Alba-like domain	CATH (4.3.0)
C [auth X]	3.30.110.20	Alpha Beta	2-Layer Sandwich	Translation Initiation Factor IF3	Alba-like domain	CATH (4.3.0)
B	3.30.110.20	Alpha Beta	2-Layer Sandwich	Translation Initiation Factor IF3	Alba-like domain	CATH (4.3.0)
A	3.30.110.20	Alpha Beta	2-Layer Sandwich	Translation Initiation Factor IF3	Alba-like domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth X], D [auth Y]	PF01918	Alba (Alba)	Alba	Alba is a novel chromosomal protein that coats archaeal DNA without compacting it.	Domain
A, B	PF01918	Alba (Alba)	Alba	Alba is a novel chromosomal protein that coats archaeal DNA without compacting it.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth X], D [auth Y]	DNA/RNA-BINDING PROTEIN ALBA 2	DNA binding double-stranded DNA binding binding nucleic acid binding RNA binding	cellular component organization organelle organization chromosome condensation chromosome organization cellular process cellular component organization or biogenesis	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromosome cytoplasm
A, B	DNA/RNA-BINDING PROTEIN ALBA 1	hydrolase activity catalytic activity nuclease activity catalytic activity, acting on a nucleic acid DNA binding double-stranded DNA binding binding nucleic acid binding RNA binding identical protein binding protein binding	cellular component organization organelle organization chromosome condensation chromosome organization cellular process cellular component organization or biogenesis	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromosome cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth X], D [auth Y]	IPR036882	Alba-like domain superfamily	Homologous Superfamily
C [auth X], D [auth Y]	IPR013795	DNA/RNA-binding protein Alba	Family
C [auth X], D [auth Y]	IPR002775	DNA/RNA-binding protein Alba-like	Domain
A, B	IPR036882	Alba-like domain superfamily	Homologous Superfamily
A, B	IPR013795	DNA/RNA-binding protein Alba	Family
A, B	IPR002775	DNA/RNA-binding protein Alba-like	Domain

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.