7AN6

Enzyme of biosynthetic pathway

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Chorismate dehydratase	polymer	291	32518.0	2	UniProt (Q9L0T8) Pfam (PF02621) In PDB	Streptomyces coelicolor A3(2)	Menaquinone biosynthetic enzyme MqnA
2	A, B	(3R,4R)-3-[(1-carboxyethenyl)oxy]-4-hydroxycyclohexa-1,5-diene-1-carboxylic acid	non-polymer		226.2	2	Chemie (ISJ)
3	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4		water	water		18.0	353	Chemie (HOH)

Sequence modifications

A, B: 2 - 282 (UniProt: Q9L0T8)

PDB	External Database	Details
Met 0	-	initiating methionine
Val 1	-	expression tag
Ala 17	Asn 17	engineered mutation
Leu 283	-	expression tag
Glu 284	-	expression tag
His 285	-	expression tag
His 286	-	expression tag
His 287	-	expression tag
His 288	-	expression tag
His 289	-	expression tag
His 290	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	65036.1
Non-Polymers*	Number of molecules	3
	Total formula weight	544.5
All*	Total formula weight	65580.5

*Water molecules are not included.