3TGE

A novel series of potent and selective PDE5 inhibitor1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	cGMP-specific 3',5'-cyclic phosphodiesterase	polymer	326	37610.2	1	UniProt (O76074) Pfam (PF00233) In PDB	Homo sapiens (human)	cGMP-binding cGMP-specific phosphodiesterase, CGB-PDE
2	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	A	7-(6-methoxypyridin-3-yl)-3-{[2-(morpholin-4-yl)ethyl]amino}-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2(1H)-one	non-polymer		468.5	1	Chemie (TGE)
5		water	water		18.0	153	Chemie (HOH)

Sequence modifications

A: 534 - 656 (UniProt: O76074)
A: 657 - 681 (PDB: 3TGE)
A: 682 - 858 (UniProt: O76074)

PDB	External Database	Details
Glu 751	Gln 751	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	37610.2
Non-Polymers*	Number of molecules	3
	Total formula weight	558.3
All*	Total formula weight	38168.5

*Water molecules are not included.