5N5V

Structure of p-boronophenylalanyl tRNA synthetase - apo form

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...)	Tyrosine--tRNA ligase	polymer	314	35976.7	8	UniProt (Q57834) Pfam (PF00579)	Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) (Methanococcus jannaschii)	Tyrosyl-tRNA synthetase,TyrRS
2	I, J, K, L, M (A, B, D, E, G)	CHLORIDE ION	non-polymer		35.5	5	Chemie (CL)
3	N, O, P, Q, R... (A, B, C, D, E...)	water	water		18.0	197	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 306 (UniProt: Q57834)

PDB	External Database	Details
Leu 6	Met 6	engineered mutation
Ser 32	Tyr 32	engineered mutation
Ala 65	Leu 65	engineered mutation
Met 70	His 70	engineered mutation
Ser 158	Asp 158	engineered mutation
Glu 162	Leu 162	engineered mutation
Arg 286	Asp 286	engineered mutation
Ser 307	-	expression tag
Ala 308	-	expression tag
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	8
	Total formula weight	287813.9
Non-Polymers*	Number of molecules	5
	Total formula weight	177.3
All*	Total formula weight	287991.1

*Water molecules are not included.