6RM2

Deoxyguanylosuccinate synthase (DgsS) structure with ATP, IMP, Magnesium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Adenylosuccinate synthetase	polymer	363	40393.0	2	UniProt (G3FFN6) Pfam (PF00709)	Vibrio phage phiVC8
2	C, G (A, B)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
3	D, H (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	E, I (A, B)	INOSINIC ACID	non-polymer		348.2	2	Chemie (IMP)
5	F, J (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
6	K, L (A, B)	water	water		18.0	207	Chemie (HOH)

Sequence modifications

A, B: 1 - 343 (UniProt: G3FFN6)

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
Glu 2	Lys 2	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80786.0
Non-Polymers*	Number of molecules	8
	Total formula weight	1951.5
All*	Total formula weight	82737.5

*Water molecules are not included.