7O5Y

PilA minor pilin of Streptococcus sanguinis type IV pili

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, C, D, A	Type IV pilus biogenesis protein PilA	polymer	140	15876.8	4	UniProt (A0A0B7GNW3) In PDB	Streptococcus sanguinis
2	C, D	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3		water	water		18.0	507	Chemie (HOH)

Sequence modifications

B, C, D, A: 9 - 140 (UniProt: A0A0B7GNW3)

PDB	External Database	Details
Mse 1	-	initiating methionine
Asp 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	63507.2
Non-Polymers*	Number of molecules	2
	Total formula weight	70.9
All*	Total formula weight	63578.1

*Water molecules are not included.