1WNU

Structure of Archaeal Trans-Editing Protein AlaX in complex with L-serine

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)	alanyl-tRNA synthetase	polymer	165	19394.9	2	UniProt (O58307) Pfam (PF07973)	Pyrococcus horikoshii	AlaX
2	C, E (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, F (A, B)	SERINE	non-polymer		105.1	2	Chemie (SER)
4	G, H (A, B)	water	water		18.0	107	Chemie (HOH)

Sequence modifications

A, B: 1 - 157 (UniProt: O58307)

PDB	External Database	Details
Mse 1	Met 1	modified residue
Mse 85	Met 85	modified residue
Mse 90	Met 90	modified residue
Leu 158	-	expression tag
Glu 159	-	expression tag
His 160	-	expression tag
His 161	-	expression tag
His 162	-	expression tag
His 163	-	expression tag
His 164	-	expression tag
His 165	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	38789.8
Non-Polymers*	Number of molecules	4
	Total formula weight	341.0
All*	Total formula weight	39130.8

*Water molecules are not included.