1RD5

Crystal structure of Tryptophan synthase alpha chain homolog BX1: a member of the chemical plant defense system

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Tryptophan synthase alpha chain, chloroplast	polymer	262	28027.5	2	UniProt (P42390) Pfam (PF00290)	Zea mays	BX1, tryptophan synthase alpha homolog
2	C, D (A, B)	MALONIC ACID	non-polymer		104.1	2	Chemie (MLA)
3	E, F (A, B)	water	water		18.0	248	Chemie (HOH)

Sequence modifications

A, B: 2 - 262 (UniProt: P42390)

PDB	External Database	Details
Met 1	-	initiating methionine
Phe 108	Ser 192	SEE REMARK 999
Lys 113	Glu 197	SEE REMARK 999
Gly 262	Pro 346	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56055.1
Non-Polymers*	Number of molecules	2
	Total formula weight	208.1
All*	Total formula weight	56263.2

*Water molecules are not included.