29TM: KAT8 mutant

KAT8 mutant (KAT6A surrogate, myst-cryst) in complex with KAT6A inhibitor bay-7728. Determined by X-ray diffraction at 1.7 Å resolution. Released 9 Sept 2026.

Method: X-ray diffraction
Resolution: 1.7 Å
Organism: Homo sapiens
Chains: 1
Atoms: 2,627
Mol. weight: 33.16 kDa
Ligands: ZN, A1J4O
Released: 9 Sept 2026

Explore 29TM in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

29TM contains 13 α-helices and 16 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain AAA: 13 helices, 16 β-strands

Element	Residues	Length	Sheet
β-strand	511-514	4	1
β-strand	517-520	4	1
α-helix	529-533	5
β-strand	537-539	3	1
β-strand	546-547	2	1
α-helix	550-559	10
β-strand	568-573	6	2
β-strand	576-582	7	2
α-helix	587-598	12
β-strand	613-621	9	2
β-strand	626-635	10	2
β-strand	642-644	3	3
β-strand	647-649	3	2
α-helix	651-653	3
α-helix	658-672	15
β-strand	677	1	4
β-strand	678-679	2	3
α-helix	680	1
α-helix	683-684	2
α-helix	685-703	19
α-helix	712-719	8
β-strand	721	1	4
α-helix	723-732	10
β-strand	736-739	4	5
β-strand	742-745	4	5
α-helix	749-757	9
α-helix	762-764	3
α-helix	770-772	3
β-strand	773	1	2

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Histone acetyltransferase KAT8	AAA	protein	278	Homo sapiens	Q9H7Z6 (AlphaFold model)

Sequence of entity 1 (AAA), FASTA

>29TM_1 Histone acetyltransferase KAT8 (chains AAA)
GSTKVKYVDKIHIGNYEIDAWYFSPFPEDYGKQPKLWLCEYCLKYMKYEKSYRFHLGQCQ
WRQPPGKEIYRKSNISVHEVDGKDHKIYCQNLCLLAKLFLDHKTLYFDVEPFVFYILTEV
DRQGAHIVGYFSKEKESPDGNNVSCIMILPPYQRRGYGRFLIAFSYELSKLESTVGSPEK
PLSDLGKLSYRSYWSSVLLENLRDFRGTLSIKDLSQMTSITQNDIISTLQSLNMVKYWKG
QHVICVTPKLVEEHLKSAQYKKPPITVDSVCLKWAPPK

Ligands and cofactors

ID	Name	Formula	Copies
ZN	Zinc ion	Zn	1
A1J4O	6-(azetidin-1-yl)-~{N}-(2-ethoxyphenyl)sulfonyl-4-fluoranyl-1-benzofuran-2-carb…	C20 H19 F N2 O5 S	1

Water and common crystallization additives (GOL, CL) are not listed.

Primary citation

KAT6A-inhibitor co-crystal structures: tackling a challenging crystallization target via two alternative approaches. Puetter, V., Bouche, L., Nowak-Reppel, K. et al. Acta Crystallogr D Struct Biol (2026) 82:1111-1124. DOI 10.1107/S2059798326008545 · PubMed

Other PDB entries of the same protein (UniProt Q9H7Z6 (AlphaFold model), which also has an AlphaFold model), best resolution first:

29UU 1.3 Å, KAT8 mutant (KAT6A surrogate, myst-cryst) in complex with KAT6A inhibitor example-41
9OOA 1.39 Å, Crystal structure of MYST acetyltransferase domain in complex with inhibitor 7
29UT 1.4 Å, KAT8 mutant (KAT6A surrogate, myst-cryst) in complex with KAT6A inhibitor compound 2
2PQ8 1.45 Å, MYST histone acetyltransferase 1
9OOF 1.68 Å, Crystal structure of MYST acetyltransferase domain in complex with inhibitor 10e
6OIN 1.7 Å, Crystal structure of MYST acetyltransferase domain in complex with inhibitor CTX-124143
6OIO 1.7 Å, Crystal structure of MYST acetyltransferase domain in complex with inhibitor 60
6OIQ 1.75 Å, Crystal structure of MYST acetyltransferase domain in complex with inhibitor 63
6OWI 1.75 Å, Crystal structure of MYST acetyltransferase domain in complex with inhibitor 85
5WCI 1.78 Å, Human MYST histone acetyltransferase 1
29TN 1.8 Å, KAT8 mutant (KAT6A surrogate, myst-cryst) in complex with KAT6A inhibitor compound 38
6OIP 1.8 Å, Crystal structure of MYST acetyltransferase domain in complex with inhibitor 34

Browse structure collections

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