4IX2

Inosine 5'-monophosphate dehydrogenase from Vibrio cholerae, deletion mutant, complexed with IMP

Replaces:  4FF0

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)	Inosine-5'-monophosphate dehydrogenase	polymer	366	38247.7	4	UniProt (Q9KTW3) Pfam (PF00478)	Vibrio cholerae O1 biovar El Tor	IMP dehydrogenase, IMPD, IMPDH
2	E, F, H, K (A, B, C, D)	INOSINIC ACID	non-polymer		348.2	4	Chemie (IMP)
3	G, I, J, L (C, D)	POTASSIUM ION	non-polymer		39.1	4	Chemie (K)
4	M, N, O, P (A, B, C, D)	water	water		18.0	873	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 90 (UniProt: Q9KTW3)

PDB	External Database	Details
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

A, B, C, D: 220 - 489 (UniProt: Q9KTW3)

PDB	External Database	Details
Ser 101	-	linker
Gly 102	-	linker
Gly 103	-	linker

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	152990.8
Non-Polymers*	Number of molecules	8
	Total formula weight	1549.2
All*	Total formula weight	154540.0

*Water molecules are not included.