4YNB

Crystal structure of Helicobacter pylori 5'-methylthioadenosine/S-adenosyl homocysteine nucleosidase (MTAN) complexed with pyrazinylthio-DADMe-Immucillin-A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Aminodeoxyfutalosine nucleosidase	polymer	245	26886.9	1	UniProt (Q9ZMY2) Pfam (PF01048) In PDB	Helicobacter pylori	Aminofutalosine nucleosidase,5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase,MTAN,6-amino-6-deoxyfutalosine N-ribosylhydrolase
2	A	(3R,4S)-1-[(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)methyl]-4-[(pyrazin-2-ylsulfanyl)methyl]pyrrolidin-3-ol	non-polymer		357.4	1	Chemie (4EH)
3	A	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
5		water	water		18.0	194	Chemie (HOH)

Sequence modifications

A: 3 - 231 (UniProt: Q9ZMY2)

PDB	External Database	Details
Met -13	-	initiating methionine
Gly -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
Gly 1	-	expression tag
Val 2	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	26886.9
Non-Polymers*	Number of molecules	4
	Total formula weight	647.7
All*	Total formula weight	27534.6

*Water molecules are not included.