2YY8

Crystal structure of archaeal tRNA-methylase for position 56 (aTrm56) from Pyrococcus horikoshii, complexed with S-adenosyl-L-methionine

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)	UPF0106 protein PH0461	polymer	201	22859.4	2	UniProt (O58214) Pfam (PF01994)	Pyrococcus horikoshii	aTrm56
2	C (A)	5'-DEOXY-5'-METHYLTHIOADENOSINE	non-polymer		297.3	1	Chemie (MTA)
3	D (B)	S-ADENOSYLMETHIONINE	non-polymer		398.4	1	Chemie (SAM)
4	E, F (A, B)	water	water		18.0	101	Chemie (HOH)

Sequence modifications

A, B: 1 - 195 (UniProt: O58214)

PDB	External Database	Details
His 196	-	expression tag
His 197	-	expression tag
His 198	-	expression tag
His 199	-	expression tag
His 200	-	expression tag
His 201	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	45718.8
Non-Polymers*	Number of molecules	2
	Total formula weight	695.8
All*	Total formula weight	46414.5

*Water molecules are not included.