4HJI

Structure of the CooA pilin subunit from enterotoxigenic Escherichia coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	CS1 fimbrial subunit A	polymer	175	18245.3	2	UniProt (P0ABW7) Pfam (PF04449) In PDB	Escherichia coli	CS1 pilin
2	A	IMIDAZOLE	non-polymer		69.1	1	Chemie (IMD)
3	B	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4		water	water		18.0	156	Chemie (HOH)

Sequence modifications

A, B: 12 - 148 (UniProt: P0ABW7)

PDB	External Database	Details
Met -9	-	expression tag
Gly -8	-	expression tag
Ser -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Ser 1	-	expression tag
Ser 2	-	expression tag
Gly 3	-	expression tag
Leu 4	-	expression tag
Val 5	-	expression tag
Pro 6	-	expression tag
Arg 7	-	expression tag
Gly 8	-	expression tag
Ser 9	-	expression tag
His 10	-	expression tag
Met 11	-	expression tag
Asp 149	-	expression tag
Asn 150	-	expression tag
Lys 151	-	expression tag
Gln 152	-	expression tag
Val 153	-	expression tag
Glu 154	-	expression tag
Lys 155	-	expression tag
Thr 156	-	expression tag
Ile 157	-	expression tag
Ser 158	-	expression tag
Val 159	-	expression tag
Thr 160	-	expression tag
Ala 161	-	expression tag
Ser 162	-	expression tag
Val 163	-	expression tag
Asp 164	-	expression tag
Pro 165	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	36490.5
Non-Polymers*	Number of molecules	2
	Total formula weight	92.1
All*	Total formula weight	36582.6

*Water molecules are not included.