3RFZ

Crystal structure of the FimD usher bound to its cognate FimC:FimH substrate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, D)	Type 1 fimbrial adhesin	polymer	279	29178.4	2	UniProt (Q5D223) Pfam (PF09160) Pfam (PF00419) UniProt (by SIFTS) (P08191)	Escherichia coli
2	B, E (B, E)	Outer membrane usher protein, type 1 fimbrial synthesis	polymer	843	92640.2	2	UniProt (C6UL88) Pfam (PF13954) Pfam (PF00577) Pfam (PF13953) UniProt (by SIFTS) (P30130)	Escherichia coli
3	C, F (C, F)	Chaperone protein fimC	polymer	211	23522.9	2	UniProt (P59590) Pfam (PF00345) Pfam (PF02753) UniProt (by SIFTS) (P31697)	Escherichia coli
4	G, H (B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
5	I, J, K, L, M... (A, B, C, D, E...)	water	water		18.0	41	Chemie (HOH)

Sequence modifications

B, E: 1 - 833 (UniProt: C6UL88)

PDB	External Database	Details
Ser 834	-	expression tag
Ala 835	-	expression tag
Trp 836	-	expression tag
Ser 837	-	expression tag
His 838	-	expression tag
Pro 839	-	expression tag
Gln 840	-	expression tag
Phe 841	-	expression tag
Glu 842	-	expression tag
Lys 843	-	expression tag

C, F: 1 - 205 (UniProt: P59590)

PDB	External Database	Details
His 206	-	expression tag
His 207	-	expression tag
His 208	-	expression tag
His 209	-	expression tag
His 210	-	expression tag
His 211	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	290683.1
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	290875.3

*Water molecules are not included.