7KTO

Dihydrodipicolinate synthase (DHDPS) from C.jejuni, H56A 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	34118.2	6	UniProt (Q9PPB4) Pfam (PF00701) In PDB	Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)	HTPA synthase
2	A, F, D	(2R,5R)-2,5-diamino-2,5-bis(4-aminobutyl)hexanedioic acid	non-polymer		318.4	3	Chemie (3VN)
3	D, A, E, B, F...	1,2-ETHANEDIOL	non-polymer		62.1	16	Chemie (EDO)
4	D, A, B, F, C	TRIETHYLENE GLYCOL	non-polymer		150.2	6	Chemie (PGE)
5	A, C	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
6	D, A, E, F	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	6	Chemie (PEG)
7	D, A, E, B, F	ACETATE ION	non-polymer		59.0	9	Chemie (ACT)
8	E	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
9		water	water		18.0	1107	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
Ala 56	His 56	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	204709.1
Non-Polymers*	Number of molecules	43
	Total formula weight	4226.0
All*	Total formula weight	208935.1

*Water molecules are not included.