3ERN

Crystal structure of 2C-methyl-D-erythritol 2,4-clycodiphosphate synthase complexed with AraCMP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase	polymer	165	17576.3	6	UniProt (P62617) Pfam (PF02542)	Escherichia coli K-12	MECPS, MECDP-synthase
2	G, J, N, Q (A, B, D, E)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	H, I, M, O, P (A, B, C, D, E)	CYTOSINE ARABINOSE-5'-PHOSPHATE	non-polymer		323.2	5	Chemie (CAR)
4	K, R (B, E)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
5	L, S (B, F)	GERANYL DIPHOSPHATE	non-polymer		314.2	2	Chemie (GPP)
6	T, U, V, W, X... (A, B, C, D, E...)	water	water		18.0	284	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 159 (UniProt: P62617)

PDB	External Database	Details
Gly -5	-	expression tag
Ser -4	-	expression tag
His -3	-	expression tag
Met -2	-	expression tag
Leu -1	-	expression tag
Glu 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	105457.7
Non-Polymers*	Number of molecules	13
	Total formula weight	2698.2
All*	Total formula weight	108155.8

*Water molecules are not included.