3LKD

Crystal Structure of the type I restriction-modification system methyltransferase subunit from Streptococcus thermophilus, Northeast Structural Genomics Consortium Target SuR80

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)	Type I restriction-modification system methyltransferase subunit	polymer	542	62195.7	2	UniProt (Q5M500) Pfam (PF12161) Pfam (PF02384)	Streptococcus thermophilus
2	C, D (A, B)	water	water		18.0	431	Chemie (HOH)

Sequence modifications

A, B: 1 - 534 (UniProt: Q5M500)

PDB	External Database	Details
Leu 535	-	expression tag
Glu 536	-	expression tag
His 537	-	expression tag
His 538	-	expression tag
His 539	-	expression tag
His 540	-	expression tag
His 541	-	expression tag
His 542	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	124391.5
All*	Total formula weight	124391.5

*Water molecules are not included.