6RXS

Crystal structure of CobB Ac3(A76G,Y92A, I131L, V187Y) in complex with H4K16-Acetyl peptide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	NAD-dependent protein deacylase	polymer	254	28064.7	1	UniProt (P75960) Pfam (PF02146)	Escherichia coli (strain K12)	Regulatory protein SIR2 homolog
2	B (B)	Histone H4	polymer	11	1310.6	1	UniProt (P62805)	Homo sapiens
3	C (A)	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
4	D, E, F (A, B)	GLYCEROL	non-polymer		92.1	3	Chemie (GOL)
5	G, H (A, B)	water	water		18.0	220	Chemie (HOH)

Sequence modifications

A: 40 - 279 (UniProt: P75960)

PDB	External Database	Details
Met 26	-	initiating methionine
Gly 27	-	expression tag
Ser 28	-	expression tag
Ser 29	-	expression tag
His 30	-	expression tag
His 31	-	expression tag
His 32	-	expression tag
His 33	-	expression tag
His 34	-	expression tag
His 35	-	expression tag
Ser 36	-	expression tag
Gln 37	-	expression tag
Asp 38	-	expression tag
Pro 39	-	expression tag
Gly 76	Ala 76	engineered mutation
Ala 92	Tyr 92	engineered mutation
Leu 131	Ile 131	engineered mutation
Tyr 187	Val 187	engineered mutation

B: 12 - 22 (UniProt: P62805)

PDB	External Database	Details
Ile 21	Val 22	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29375.3
Non-Polymers*	Number of molecules	4
	Total formula weight	341.7
All*	Total formula weight	29717.0

*Water molecules are not included.