3WCN

Crystal structure of the depentamerized mutant of selenocysteine synthase SelA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	L-seryl-tRNA(Sec) selenium transferase	polymer	452	51172.4	2	UniProt (O67140) Pfam (PF03841) In PDB	Aquifex aeolicus	Selenocysteine synthase, Sec synthase, Selenocysteinyl-tRNA(Sec) synthase
2	A, B	THIOSULFATE	non-polymer		112.1	4	Chemie (THJ)

Sequence modifications

A, B: 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
Tyr 191	Thr 191	engineered mutation
Tyr 192	Thr 192	engineered mutation
Arg 199	Asp 199	engineered mutation
Pro 220	Tyr 220	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	102344.8
Non-Polymers*	Number of molecules	4
	Total formula weight	448.5
All*	Total formula weight	102793.3

*Water molecules are not included.