6TNH

Deoxyguanylosuccinate synthase (DgsS) quaternary structure with AMPPcP, dGMP, Asp, Magnesium at 2.21 Angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Adenylosuccinate synthetase	polymer	363	40597.3	2	UniProt (G3FFN6) Pfam (PF00709) In PDB	Vibrio phage phiVC8
2	A, B	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
3	A, B	2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE	non-polymer		347.2	2	Chemie (DGP)
4	A, B	PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER	non-polymer		505.2	2	Chemie (ACP)
5	A	ASPARTIC ACID	non-polymer		133.1	1	Chemie (ASP)
6	B	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
7		water	water		18.0	395	Chemie (HOH)

Sequence modifications

A, B: 3 - 343 (UniProt: G3FFN6)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
His -17	-	expression tag
His -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
His -9	-	expression tag
His -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
Met 1	-	expression tag
Glu 2	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	81194.5
Non-Polymers*	Number of molecules	11
	Total formula weight	2342.6
All*	Total formula weight	83537.1

*Water molecules are not included.