3E0B

Bacillus anthracis Dihydrofolate Reductase complexed with NADPH and 2,4-diamino-5-(3-(2,5-dimethoxyphenyl)prop-1-ynyl)-6-ethylpyrimidine (UCP120B)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Dihydrofolate reductase	polymer	166	19745.5	2	UniProt (Q81R22) Pfam (PF00186) In PDB	Bacillus anthracis
2	A, B	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		745.4	2	Chemie (NDP)
3	A, B	5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-ethylpyrimidine-2,4-diamine	non-polymer		312.4	2	Chemie (N22)
4		water	water		18.0	145	Chemie (HOH)

Sequence modifications

A, B: 1 - 162 (UniProt: Q81R22)

PDB	External Database	Details
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Arg 2	Ile 2	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39491.0
Non-Polymers*	Number of molecules	4
	Total formula weight	2115.6
All*	Total formula weight	41606.5

*Water molecules are not included.