1BOB

HISTONE ACETYLTRANSFERASE HAT1 FROM SACCHAROMYCES CEREVISIAE IN COMPLEX WITH ACETYL COENZYME A

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
Structure Motif: Primary M-CSA Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1boba_	Alpha and beta proteins (a+b)	Acyl-CoA N-acyltransferases (Nat)	Acyl-CoA N-acyltransferases (Nat)	N-acetyl transferase, NAT	Histone acetyltransferase HAT1	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	N-acetyltransferase, NAT	8023653	4001800	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Acyl-CoA N-acyltransferases (Nat)	8036033	3000403	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	KOG2696_2nd_1	e1bobA1	A: alpha arrays	X: HTH	H: HTH	T: HAT1, C-terminal domain	F: KOG2696_2nd_1	ECOD (1.6)
A	KOG2696_1st	e1bobA3	A: a+b three layers	X: Nat/Ivy	H: Acyl-CoA N-acyltransferases (Nat) (From Topology)	T: Acyl-CoA N-acyltransferases (Nat)	F: KOG2696_1st	ECOD (1.6)
A	Hat1_N	e1bobA2	A: few secondary structure elements	X: beta-beta-alpha zinc fingers	H: beta-beta-alpha zinc fingers (From Topology)	T: beta-beta-alpha zinc fingers	F: Hat1_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.360.10	Alpha Beta	Alpha-Beta Complex	Histone Acetyltransferase	domain 1	CATH (4.3.0)
A	3.40.630.30	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Gcn5-related N-acetyltransferase (GNAT)	CATH (4.3.0)
A	1.10.10.390	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF21184	Fungal HAT1, C-terminal (HAT1_C_fung)	Fungal HAT1, C-terminal	Histone acetyltransferase type B catalytic subunit (HAT1) is the catalytic subunit of the histone acetylase B (HAT-B) complex (composed on HAT1 and HAT2 at least) [1-2]. It DNA double-strand break repair. Yeast HAT1 specifically acetylates H4 at Lys5 ...	Histone acetyltransferase type B catalytic subunit (HAT1) is the catalytic subunit of the histone acetylase B (HAT-B) complex (composed on HAT1 and HAT2 at least) [1-2]. It DNA double-strand break repair. Yeast HAT1 specifically acetylates H4 at Lys5 and Lys12 residues. The C-terminal domain of HAT1 (this entry) is highly variable and not required for HAT activity [1]. It consists of a bundle of helices and a short beta-strand. This entry includes HAT1 from Fungi.	Domain
A	PF10394	Histone acetyl transferase HAT1 N-terminus (Hat1_N)	Histone acetyl transferase HAT1 N-terminus	This domain is the N-terminal half of the structure of histone acetyl transferase HAT1. It is often found in association with the C-terminal part of the GNAT Acetyltransf_1 (Pfam:PF00583) domain. It seems to be motifs C and D of the structure. Histon ...	This domain is the N-terminal half of the structure of histone acetyl transferase HAT1. It is often found in association with the C-terminal part of the GNAT Acetyltransf_1 (Pfam:PF00583) domain. It seems to be motifs C and D of the structure. Histone acetyltransferases (HATs) catalyse the transfer of an acetyl group from acetyl-CoA to the lysine E-amino groups on the N-terminal tails of histones. HATs are involved in transcription since histones tend to be hyper-acetylated in actively transcribed regions of chromatin, whereas in transcriptionally silent regions histones are hypo-acetylated [1].	Domain
A	PF00583	Acetyltransferase (GNAT) family (Acetyltransf_1)	Acetyltransferase (GNAT) family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	HISTONE ACETYLTRANSFERASE	protein binding binding histone binding catalytic activity, acting on a protein N-acetyltransferase activity acyltransferase activity transferase activity peptide N-acetyltransferase activity histone acetyltransferase activity acetyltransferase activity peptide-lysine-N-acetyltransferase activity histone modifying activity acyltransferase activity, transferring groups other than amino-acyl groups catalytic activity protein binding binding histone binding catalytic activity, acting on a protein N-acetyltransferase activity acyltransferase activity transferase activity peptide N-acetyltransferase activity histone acetyltransferase activity acetyltransferase activity peptide-lysine-N-acetyltransferase activity histone modifying activity acyltransferase activity, transferring groups other than amino-acyl groups catalytic activity N-acyltransferase activity chromatin binding histone H4 acetyltransferase activity	subtelomeric heterochromatin formation regulation of cellular process cellular biosynthetic process negative regulation of biological process telomere organization negative regulation of cellular metabolic process cellular component organization chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process subtelomeric heterochromatin formation regulation of cellular process cellular biosynthetic process negative regulation of biological process telomere organization negative regulation of cellular metabolic process cellular component organization chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process heterochromatin formation epigenetic regulation of gene expression cellular metabolic process negative regulation of metabolic process biological regulation chromosome organization regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression organelle organization negative regulation of gene expression constitutive heterochromatin formation biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process cellular process negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process cellular response to stimulus double-strand break repair response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress DNA repair	protein-containing complex intracellular anatomical structure catalytic complex chromatin chromosome transferase complex cellular anatomical entity histone acetyltransferase complex acetyltransferase complex intracellular organelle organelle intracellular non-membrane-bounded organelle protein acetyltransferase complex intracellular protein-containing complex protein-containing complex intracellular anatomical structure catalytic complex chromatin chromosome transferase complex cellular anatomical entity histone acetyltransferase complex acetyltransferase complex intracellular organelle organelle intracellular non-membrane-bounded organelle protein acetyltransferase complex intracellular protein-containing complex non-membrane-bounded organelle cytoplasm chromosome, telomeric region chromosomal region membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR019467	Histone acetyl transferase HAT1 N-terminal	Domain
A	IPR037113	Histone acetyl transferase 1, N-terminal domain superfamily	Homologous Superfamily
A	IPR017380	Histone acetyltransferase type B, catalytic subunit	Family
A	IPR000182	GNAT domain	Domain
A	IPR016181	Acyl-CoA N-acyltransferase	Homologous Superfamily
A	IPR013523	Histone acetyltransferase HAT1, C-terminal	Homologous Superfamily

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	histone acetyltransferase (HAT1 family) M-CSA #224	Hat1, isolated from Saccharomyces cerevisiae, is a type B histone acetyltransferase. It catalyses the sequential acetylation of Lys12 and then Lys5 of newly synthesised histone H4 using acetyl-CoA as the source of the acetyl group. Hat1 associates with the accessory protein Hat2 before binding and acetylating H4. The complex is thought to also bind histone H3. The complex is then imported into the nucleus where the histones are deposited onto DNA with the aid of Hif1. Hat1 is unable to acetylate DNA-associated histones.	Defined by 2 residues: PHE:A-220GLU:A-255 \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 2.3.1.48 (PDB Primary Data) Search M-CSA Motif + EC 2.3.1.48

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.