4OR1

Structure and mechanism of fibronectin binding and biofilm formation of enteroaggregative Escherischia coli AAF fimbriae

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Invasin homolog AafB, Major fimbrial subunit of aggregative adherence fimbria II AafA chimeric construct	polymer	155	17186.2	2	UniProt (Q9X4L4) UniProt (O30595) Pfam (PF05775) In PDB	Escherichia coli
2	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3	B	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
4		water	water		18.0	2	Chemie (HOH)

Sequence modifications

A, B: 1 - 123 (UniProt: Q9X4L4)

PDB	External Database	Details
Met -11	-	initiating methionine
Arg -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Asp 124	-	linker
Asn 125	-	linker
Lys 126	-	linker
Gln 127	-	linker
Asn 128	-	linker
Ala 129	-	linker
Thr 130	-	linker
Ala 131	-	linker
Val 132	-	linker
Ala 133	-	linker

A, B: 134 - 143 (UniProt: O30595)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34372.3
Non-Polymers*	Number of molecules	2
	Total formula weight	155.1
All*	Total formula weight	34527.4

*Water molecules are not included.