1ZH0

Crystal Structure of L-3-(2-napthyl)alanine-tRNA synthetase in complex with L-3-(2-napthyl)alanine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Tyrosyl-tRNA synthetase	polymer	314	36064.9	1	UniProt (Q57834) Pfam (PF00579) In PDB	Methanocaldococcus jannaschii	Tyrosine--tRNA ligase, TyrRS
2	A	BETA-(2-NAPHTHYL)-ALANINE	non-polymer		215.2	1	Chemie (NAL)
3	A	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
4		water	water		18.0	115	Chemie (HOH)

Sequence modifications

A: 1 - 306 (UniProt: Q57834)

PDB	External Database	Details
Leu 32	Tyr 32	engineered mutation
Ser 107	Glu 107	engineered mutation
Pro 158	Asp 158	engineered mutation
Ala 159	Ile 159	engineered mutation
Gln 162	Leu 162	engineered mutation
Val 167	Ala 167	engineered mutation
Leu 307	-	cloning artifact
Glu 308	-	cloning artifact
His 309	-	expression tag
His 310	-	expression tag
His 311	-	expression tag
His 312	-	expression tag
His 313	-	expression tag
His 314	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	36064.9
Non-Polymers*	Number of molecules	2
	Total formula weight	337.4
All*	Total formula weight	36402.3

*Water molecules are not included.