3KDA

Crystal structure of the CFTR inhibitory factor Cif with the H269A mutation

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 (D, C, A, B)	CFTR inhibitory factor (Cif)	polymer	301	34097.6	4	UniProt (Q02P97) Pfam (PF12697) UniProt (by SIFTS) (A0A0H2ZD27)	Pseudomonas aeruginosa UCBPP-PA14
2	E, F, G, H (D, C, A, B)	water	water		18.0	1111	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Ala 269	His 269	engineered mutation
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	136390.5
All*	Total formula weight	136390.5

*Water molecules are not included.