Structure of the Rtt109-AcCoA/Vps75 Complex and Implications for Chaperone-Mediated Histone Acetylation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BAAAe3q33B1 A: beta barrelsX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: AAAECOD (v294.2)
AGlyco_hydro_70e3q33A1 A: beta barrelsX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: Glyco_hydro_70ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF08214Histone acetyltransferase KAT11-type domain (HAT_KAT11)Histone acetyltransferase KAT11-type domainThis entry represents a histone acetyltransferase catalytic domain found in fungal proteins, including RTT109 (also known as KAT11) from budding and fission yeasts and Candida species. This domain catalyses the acetylation of lysine residues on histo ...This entry represents a histone acetyltransferase catalytic domain found in fungal proteins, including RTT109 (also known as KAT11) from budding and fission yeasts and Candida species. This domain catalyses the acetylation of lysine residues on histone H3, including H3K56, H3K9, H3K14, H3K23 and H3K27 [1,2]. The domain functions within a complex with histone chaperones such as VPS75 that regulate substrate specificity [3]. Acetylation of H3K56 by this domain promotes nucleosome assembly, DNA repair and transcriptional regulation during S-phase [1,2]. The domain is also found in other histone acetyltransferases including p300/CBP which share a similar fold but differ in catalytic properties and cofactor requirements [3]. Members of this family show conservation across most eukaryotic fungi.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
C [auth D]HISTONE H3
Vacuolar protein sorting-associated protein 75
Histone acetyltransferase RTT109

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
C [auth D]NH2 AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100

:  L-alanine amide MOD:00090 , L-asparagine amide MOD:00092 , L-aspartic acid 1-amide MOD:00093 , L-glutamine amide MOD:00095 , L-glutamic acid 1-amide MOD:00096 , glycine amide MOD:00097 , L-isoleucine amide MOD:00099 , L-leucine amide MOD:00100 , L-lysine amide MOD:00101 , L-methionine amide MOD:00102 , L-proline amide MOD:00104 , L-serine amide MOD:00105 , L-threonine amide MOD:00106 , L-tryptophan amide MOD:00107 , L-tyrosine amide MOD:00108 , L-valine amide MOD:00109
ALY Parent Component: LYS

AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100 , AA0055

:  L-alanine amide MOD:00090 , L-asparagine amide MOD:00092 , L-aspartic acid 1-amide MOD:00093 , L-glutamine amide MOD:00095 , L-glutamic acid 1-amide MOD:00096 , glycine amide MOD:00097 , L-isoleucine amide MOD:00099 , L-leucine amide MOD:00100 , L-lysine amide MOD:00101 , L-methionine amide MOD:00102 , L-proline amide MOD:00104 , L-serine amide MOD:00105 , L-threonine amide MOD:00106 , L-tryptophan amide MOD:00107 , L-tyrosine amide MOD:00108 , L-valine amide MOD:00109 , N6-acetyl-L-lysine MOD:00064