1P5U

X-ray structure of the ternary Caf1M:Caf1:Caf1 chaperone:subunit:subunit complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Chaperone protein Caf1M	polymer	235	26329.0	1	UniProt (P26926) Pfam (PF00345) Pfam (PF02753)	Yersinia pestis	Caf1M chaperone; Caf1M; Capsule protein fraction 1; F1 chaperone protein
2	B (B)	F1 capsule antigen	polymer	149	15661.3	1	UniProt (P26948) Pfam (PF09255)	Yersinia pestis
3	C (C)	F1 capsule antigen	polymer	147	15673.2	1	UniProt (P26948) Pfam (PF09255)	Yersinia pestis
4	D, E, F (A, B, C)	water	water		18.0	290	Chemie (HOH)

Sequence modifications

B: 1 - 149 (UniProt: P26948)

PDB	External Database	Details
Arg 9	Ala 30	engineered mutation

C: 14 - 149 (UniProt: P26948)

PDB	External Database	Details
Ala 3	-	expression tag
Asp 4	-	expression tag
Leu 5	-	expression tag
Thr 6	-	expression tag
Ser 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
His 13	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	57663.5
All*	Total formula weight	57663.5

*Water molecules are not included.