3QC7

The structure of bacteriophage phi29 head fibers has a supercoiled triple repeating helix-turn-helix motif

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Head fiber protein	polymer	179	18923.4	1	UniProt (P20344) Pfam (PF11133) UniProt (by SIFTS) (B3VMP4) In PDB	Bacillus phage phi29 (Bacteriophage phi-29)	Late protein GP8.5
2		water	water		18.0	179	Chemie (HOH)

Sequence modifications

A: 110 - 280 (UniProt: P20344)

PDB	External Database	Details
Glu 123	Asp 123	conflict
Leu 242	Ile 242	conflict
Leu 281	-	expression tag
Glu 282	-	expression tag
His 283	-	expression tag
His 284	-	expression tag
His 285	-	expression tag
His 286	-	expression tag
His 287	-	expression tag
His 288	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	18923.4
All*	Total formula weight	18923.4

*Water molecules are not included.