3CSW

Crystal structure of a putative branched-chain amino acid aminotransferase (TM0831) from Thermotoga maritima at 2.15 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)	Putative branched-chain-amino-acid aminotransferase	polymer	285	32762.0	4	UniProt (P74921) Pfam (PF01063)	Thermotoga maritima MSB8	BCAT
2	E, Q (A, C)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
3	F, L, R, V (A, B, C, D)	UNKNOWN LIGAND	non-polymer			4	Chemie (UNL)
4	G, M, W (A, B, D)	CITRIC ACID	non-polymer		192.1	3	Chemie (CIT)
5	H, I, N, O, S... (A, B, C, D)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	7	Chemie (MPD)
6	J, K, P, U (B, C, D)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
7	AA, BA, Y, Z (C, D, A, B)	water	water		18.0	621	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 273 (UniProt: P74921)

PDB	External Database	Details
Mse -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
Val 1	-	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	131048.0
Non-Polymers*	Number of molecules	20
	Total formula weight	2039.7
All*	Total formula weight	133087.7

*Water molecules are not included.