7KKT

Dihydrodipicolinate synthase (DHDPS) from C.jejuni, N84D mutant with pyruvate bound in the active site and R,R-bislysine bound at the allosteric site

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...	4-hydroxy-tetrahydrodipicolinate synthase	polymer	310	34186.2	6	UniProt (Q9PPB4) Pfam (PF00701) In PDB	Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)	HTPA synthase
2	A, B, C	(2R,5R)-2,5-diamino-2,5-bis(4-aminobutyl)hexanedioic acid	non-polymer		318.4	3	Chemie (3VN)
3	F, D, A, B, E...	MAGNESIUM ION	non-polymer		24.3	18	Chemie (MG)
4	F, A, C	TRIETHYLENE GLYCOL	non-polymer		150.2	3	Chemie (PGE)
5	D, B	TETRAETHYLENE GLYCOL	non-polymer		194.2	2	Chemie (PG4)
6	C, D, B, E	ACETATE ION	non-polymer		59.0	6	Chemie (ACT)
7	E, C, F, D, B	1,2-ETHANEDIOL	non-polymer		62.1	19	Chemie (EDO)
8	E, C	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	3	Chemie (PEG)
9	D	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
10		water	water		18.0	1480	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 298 (UniProt: Q9PPB4)

PDB	External Database	Details
Met -11	-	expression tag
Arg -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Asp 84	Asn 84	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	205117.5
Non-Polymers*	Number of molecules	55
	Total formula weight	4175.7
All*	Total formula weight	209293.2

*Water molecules are not included.