5ZFR

Crystal structure of PilB, an extension ATPase motor of Type IV pilus, from Geobacter sulfurreducens

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, C)	Type IV pilus biogenesis ATPase PilB	polymer	582	64345.7	3	UniProt (Q74D28) Pfam (PF05157) Pfam (PF00437)	Geobacter sulfurreducens PCA
2	D, F, H (A, B, C)	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	E, G, I (A, B, C)	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
4	J, K, L (A, B, C)	water	water		18.0	48	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 568 (UniProt: Q74D28)

PDB	External Database	Details
Met -13	-	initiating methionine
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Asp -1	-	expression tag
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	193037.2
Non-Polymers*	Number of molecules	6
	Total formula weight	481.1
All*	Total formula weight	193518.3

*Water molecules are not included.