1EVG

CRYSTAL STRUCTURE ANALYSIS OF CYS167 MUTANT OF ESCHERICHIA COLI WITH UNMODIFIED CATALYTIC CYSTEINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	THYMIDYLATE SYNTHASE	polymer	264	30725.9	1	UniProt (P0A884) Pfam (PF00303) In PDB	Escherichia coli
2	A	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
3		water	water		18.0	86	Chemie (HOH)

Sequence modifications

A: 1 - 264 (UniProt: P0A884)

PDB	External Database	Details
Cxm 1	Met 1	modified residue
Cme 50	Cys 50	modified residue
Thr 167	Ser 167	engineered mutation
Cme 192	Cys 192	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30725.9
Non-Polymers*	Number of molecules	3
	Total formula weight	288.2
All*	Total formula weight	31014.1

*Water molecules are not included.