2FM1

Crystal structure of L-ALLO-threonine aldolase (tm1744) from Thermotoga maritima at 2.25 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, C, D (A, B, C, D)	L-allo-threonine aldolase	polymer	355	39316.9	4	GenBank (4982322) Pfam (PF01212) UniProt (by SIFTS) (Q9X266)	Thermotoga maritima
2	E, F (A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	G, H, I, J, K... (A, B, C, D)	CHLORIDE ION	non-polymer		35.5	10	Chemie (CL)
4	O (C)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5	P (D)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
6	S, T, U, V (A, B, C, D)	water	water		18.0	1059	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 343 (GenBank: 4982322)

PDB	External Database	Details
Met -11	-	expression tag
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
Llp 199	Lys 199	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	157267.5
Non-Polymers*	Number of molecules	14
	Total formula weight	549.8
All*	Total formula weight	157817.2

*Water molecules are not included.