5K3V

apo-PDX1.3 (Arabidopsis)

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)	Pyridoxal 5'-phosphate synthase subunit PDX1.3	polymer	315	34086.2	4	UniProt (Q8L940) Pfam (PF01680)	Arabidopsis thaliana (Mouse-ear cress)	PLP synthase subunit PDX1.3
2	E, F, J, K, M... (A, B, C, D)	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
3	G, L, O (A, B, C)	1,2-ETHANEDIOL	non-polymer		62.1	3	Chemie (EDO)
4	H, I, R, S, T (A, D)	CHLORIDE ION	non-polymer		35.5	5	Chemie (CL)
5	U, V, W, X (A, B, C, D)	water	water		18.0	501	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 309 (UniProt: Q8L940)

PDB	External Database	Details
His 310	-	expression tag
His 311	-	expression tag
His 312	-	expression tag
His 313	-	expression tag
His 314	-	expression tag
His 315	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	136344.7
Non-Polymers*	Number of molecules	16
	Total formula weight	1132.0
All*	Total formula weight	137476.7

*Water molecules are not included.