3F83

Structure of fusion complex of the minor pilin CfaE and major pilin CfaB of CFA/I pili from ETEC E. coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Fusion of the minor pilin CfaE and major pilin CfaB	polymer	519	56371.1	1	UniProt (P25734) UniProt (P02971) Pfam (PF07434) Pfam (PF04449) UniProt (by SIFTS) (P0CK93) In PDB	Escherichia coli	Colonization factor antigen I subunit E, CFA/I pilin, Colonization factor antigen I subunit B, CFA/I antigen
2	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
3	A	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4		water	water		18.0	192	Chemie (HOH)

Sequence modifications

A: 23 - 360 (UniProt: P25734)

PDB	External Database	Details
Asp 361	-	linker
Asn 362	-	linker
Lys 363	-	linker
Gln 364	-	linker

A: 365 - 511 (UniProt: P02971)

PDB	External Database	Details
Ser 488	Lys 147	conflict
Leu 534	-	expression tag
Glu 535	-	expression tag
His 536	-	expression tag
His 537	-	expression tag

A: 516 - 533 (UniProt: P02971)

PDB	External Database	Details
Asp 512	-	linker
Asn 513	-	linker
Lys 514	-	linker
Gln 515	-	linker
His 538	-	expression tag
His 539	-	expression tag
His 540	-	expression tag
His 541	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	56371.1
Non-Polymers*	Number of molecules	4
	Total formula weight	311.2
All*	Total formula weight	56682.3

*Water molecules are not included.