1S96

The 2.0 A X-ray structure of Guanylate Kinase from E.coli

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)	Guanylate kinase	polymer	219	25415.6	2	UniProt (P60546) Pfam (PF00625)	Escherichia coli	GMP kinase
2	C, E (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	D (A)	UNKNOWN ATOM OR ION	non-polymer			1	Chemie (UNX)
4	F, G (A, B)	water	water		18.0	311	Chemie (HOH)

Sequence modifications

A, B: 1 - 207 (UniProt: P60546)

PDB	External Database	Details
Mse -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Mse 1	Met 1	modified residue
Mse 65	Met 65	modified residue
Mse 115	Met 115	modified residue
Mse 150	Met 150	modified residue
Mse 157	Met 157	modified residue
Mse 190	Met 190	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	50831.3
Non-Polymers*	Number of molecules	3
	Total formula weight	189.9
All*	Total formula weight	51021.2

*Water molecules are not included.