7NOY

Crystal structure of the heterocyclic toxin methyltransferase from Mycobacterium tuberculosis in complex with substrate 1-hydroxyquinolin-4(1H)-one

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Uncharacterized protein Rv0560c	polymer	245	26420.5	1	UniProt (P9WKL5) Pfam (PF13649)	Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
2	B (A)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	1	Chemie (SAH)
3	C (A)	1-oxidanylquinolin-4-one	non-polymer		161.2	1	Chemie (UK5)
4	D, E, F (A)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
5	G (A)	water	water		18.0	282	Chemie (HOH)

Sequence modifications

A: 4 - 227 (UniProt: P9WKL5)

PDB	External Database	Details
Met -17	-	initiating methionine
Gly -16	-	expression tag
Ser -15	-	expression tag
Ser -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
Glu -5	-	expression tag
Asn -4	-	expression tag
Leu -3	-	expression tag
Tyr -2	-	expression tag
Phe -1	-	expression tag
Gln 0	-	expression tag
Ser 1	-	expression tag
Ala 2	-	expression tag
Gly 3	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	26420.5
Non-Polymers*	Number of molecules	5
	Total formula weight	614.5
All*	Total formula weight	27035.0

*Water molecules are not included.