5D55

Crystal structure of the E. coli Hda pilus minor tip subunit, HdaB

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	HdaB,HdaA (Adhesin), HUS-associated diffuse adherence	polymer	157	17488.7	2	UniProt (B3V224) UniProt (Q08JP6) Pfam (PF05775)	Escherichia coli
2	C, D, E (A, B)	CITRATE ANION	non-polymer		189.1	3	Chemie (FLC)
3	F (B)	IODIDE ION	non-polymer		126.9	1	Chemie (IOD)
4	G, H (A, B)	water	water		18.0	229	Chemie (HOH)

Sequence modifications

A, B: 1 - 119 (UniProt: B3V224)

PDB	External Database	Details
Met -10	-	initiating methionine
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
His 120	-	linker
Met 121	-	linker
Asp 122	-	linker
Asn 123	-	linker
Lys 124	-	linker
Gln 125	-	linker
Glu 126	-	linker
Phe 127	-	linker

A, B: 128 - 143 (UniProt: Q08JP6)

PDB	External Database	Details
Lys 144	-	expression tag
Leu 145	-	expression tag
Asn 146	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34977.3
Non-Polymers*	Number of molecules	4
	Total formula weight	694.2
All*	Total formula weight	35671.5

*Water molecules are not included.