4YX9

Crystal structure of the CFTR inhibitory factor Cif bound to tiratricol

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)	CFTR inhibitory factor	polymer	301	34164.7	4	UniProt (Q02P97) UniProt (by SIFTS) (A0A0M3KL26)	Pseudomonas aeruginosa (strain UCBPP-PA14)
2	E, F, G, H (A, B, C, D)	[4-(4-HYDROXY-3-IODO-PHENOXY)-3,5-DIIODO-PHENYL]-ACETIC ACID	non-polymer		621.9	4	Chemie (4HY)
3	I, J, K, L (A, B, C, D)	water	water		18.0	1168	Chemie (HOH)

Sequence modifications

A, B, C, D: 25 - 319 (UniProt: Q02P97)

PDB	External Database	Details
His 320	-	expression tag
His 321	-	expression tag
His 322	-	expression tag
His 323	-	expression tag
His 324	-	expression tag
His 325	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	136658.8
Non-Polymers*	Number of molecules	4
	Total formula weight	2487.7
All*	Total formula weight	139146.5

*Water molecules are not included.