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5MKX

1.68A STRUCTURE PCAF BROMODOMAIN WITH 4-chloro-2-methyl-5-(methylamino)pyridazin-3(2H)-one

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Histone acetyltransferase KAT2Bpolymer11914172.42UniProt (Q92831)
Pfam (PF00439)
Homo sapiens (Human)Histone acetyltransferase PCAF,Histone acetylase PCAF,Lysine acetyltransferase 2B,P300/CBP-associated factor,P/CAF
2C, F
(A, B)
4-chloranyl-2-methyl-5-(methylamino)pyridazin-3-onenon-polymer173.62Chemie (82I)
3D
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
4E
(A)
4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACIDnon-polymer238.31Chemie (EPE)
5G
(B)
1,4-BUTANEDIOLnon-polymer90.11Chemie (BU1)
6H, I
(A, B)
waterwater18.0360Chemie (HOH)
Sequence modifications
A, B: 715 - 831 (UniProt: Q92831)
PDBExternal DatabaseDetails
Ser 713-expression tag
Met 714-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight28344.7
Non-Polymers*Number of molecules5
Total formula weight771.7
All*Total formula weight29116.4
*Water molecules are not included.

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PDB entries from 2025-12-17

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