6NOP

Structure of Cyanothece McdA(D38A)-ATP complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	Cobyrinic acid ac-diamide synthase	polymer	278	29871.2	2	UniProt (B7KMS4) Pfam (PF13614)	Cyanothece	Maintenance of carboxysome positioning A protein, MCDA
2	C, E (B, A)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
3	D, F (B, A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, H (B, A)	water	water		18.0	245	Chemie (HOH)

Sequence modifications

B, A: 1 - 258 (UniProt: B7KMS4)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Ala 38	Asp 38	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	59742.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1063.0
All*	Total formula weight	60805.4

*Water molecules are not included.