3W1H

Crystal structure of the selenocysteine synthase SelA from Aquifex aeolicus

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, E (A, B, C, D, E)	L-seryl-tRNA(Sec) selenium transferase	polymer	452	50925.2	5	UniProt (O67140) Pfam (PF03841)	Aquifex aeolicus	Selenocysteine synthase, Sec synthase, Selenocysteinyl-tRNA(Sec) synthase

Sequence modifications

A, B, C, D, E: 1 - 452 (UniProt: O67140)

PDB	External Database	Details
Ala 19	Lys 19	engineered mutation
Ala 21	Lys 21	engineered mutation
Ala 46	Lys 46	engineered mutation
Ala 48	Lys 48	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	254625.8
All*	Total formula weight	254625.8

*Water molecules are not included.