4PBT

Crystal structure of the M. jannaschii G2 tRNA synthetase variant bound to 4-trans-cyclooctene-amidopheylalanine (Tco-amF)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Tyrosine--tRNA ligase	polymer	314	36113.9	1	UniProt (Q57834) Pfam (PF00579)	Methanocaldococcus jannaschii	Tyrosyl-tRNA synthetase,TyrRS
2	B (A)	1-ETHOXY-2-(2-ETHOXYETHOXY)ETHANE	non-polymer		162.2	1	Chemie (P4G)
3	C (A)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4	D (A)	4-{[(1R,4E)-cyclooct-4-en-1-ylcarbonyl]amino}-L-phenylalanine	non-polymer		316.4	1	Chemie (2LQ)
5	E (A)	water	water		18.0	210	Chemie (HOH)

Sequence modifications

A: 1 - 306 (UniProt: Q57834)

PDB	External Database	Details
Gly 32	Tyr 32	engineered mutation
Glu 65	Leu 65	engineered mutation
Trp 108	Phe 108	engineered mutation
Met 109	Gln 109	engineered mutation
Ser 158	Asp 158	engineered mutation
Lys 162	Leu 162	engineered mutation
Leu 307	-	expression tag
Glu 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	1
	Total formula weight	36113.9
Non-Polymers*	Number of molecules	3
	Total formula weight	570.7
All*	Total formula weight	36684.6

*Water molecules are not included.