1O5K

Crystal structure of Dihydrodipicolinate synthase (TM1521) from Thermotoga maritima at 1.80 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	4-hydroxy-tetrahydrodipicolinate synthase	polymer	306	33957.9	2	UniProt (Q9X1K9) Pfam (PF00701) In PDB	Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)	HTPA synthase
2	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3		water	water		18.0	508	Chemie (HOH)

Sequence modifications

A, B: 1 - 294 (UniProt: Q9X1K9)

PDB	External Database	Details
Met -11	-	initiating methionine
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	67915.8
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	67955.8

*Water molecules are not included.