6AG4

Crystal structure of Ard1 N-terminal acetyltransferase H88A/E127A mutant from Sulfolobus solfataricus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	N-alpha-acetyltransferase	polymer	173	20177.3	1	UniProt (Q980R9) Pfam (PF00583) In PDB	Sulfolobus solfataricus P2	NAT,Amino-terminal acetyltransferase,N-terminal acetyltransferase
2	A	ACETYL COENZYME *A	non-polymer		809.6	1	Chemie (ACO)
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
5		water	water		18.0	68	Chemie (HOH)

Sequence modifications

A: 1 - 167 (UniProt: Q980R9)

PDB	External Database	Details
Ala 88	His 88	engineered mutation
Ala 127	Glu 127	engineered mutation
His 168	-	expression tag
His 169	-	expression tag
His 170	-	expression tag
His 171	-	expression tag
His 172	-	expression tag
His 173	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	20177.3
Non-Polymers*	Number of molecules	3
	Total formula weight	945.7
All*	Total formula weight	21123.0

*Water molecules are not included.