4X3Q

Crystal structure of S-adenosylmethionine-dependent methyltransferase SibL in complex with SAH

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	SibL	polymer	355	39017.6	4	UniProt (C0LTM6) Pfam (PF16864) Pfam (PF00891) In PDB	Streptosporangium sibiricum
2	A, B, C, D	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	4	Chemie (SAH)
3		water	water		18.0	123	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 344 (UniProt: C0LTM6)

PDB	External Database	Details
Ala 345	-	expression tag
Ala 346	-	expression tag
Ala 347	-	expression tag
Leu 348	-	expression tag
Glu 349	-	expression tag
His 350	-	expression tag
His 351	-	expression tag
His 352	-	expression tag
His 353	-	expression tag
His 354	-	expression tag
His 355	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	156070.3
Non-Polymers*	Number of molecules	4
	Total formula weight	1537.6
All*	Total formula weight	157608.0

*Water molecules are not included.