4U1Q

Crystal structure of S-adenosylmethionine-dependent methyltransferase SibL in complex with 3HK and 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 (A, B, C, D)	SibL	polymer	355	38923.8	4	UniProt (C0LTM6) Pfam (PF00891)	Streptosporangium sibiricum
2	E, G, I, K (A, B, C, D)	(2S)-2-amino-4-(2-amino-3-hydroxyphenyl)-4-oxobutanoic acid	non-polymer		224.2	4	Chemie (3DJ)
3	F, H, J, L (A, B, C, D)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	4	Chemie (SAH)
4	M, N, O, P (A, B, C, D)	water	water		18.0	995	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	155695.2
Non-Polymers*	Number of molecules	8
	Total formula weight	2434.5
All*	Total formula weight	158129.7

*Water molecules are not included.