5FEI

Crystal structure of the bacteriophage phi29 tail knob protein gp9 truncation variant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Distal tube protein	polymer	605	68400.8	2	UniProt (P04331) Pfam (PF16838) Pfam (PF20934) In PDB	Bacillus phage phi29	Gene product 9,gp9
2	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
3		water	water		18.0	327	Chemie (HOH)

Sequence modifications

A, B: 1 - 599 (UniProt: P04331)

PDB	External Database	Details
Ser 41	Arg 41	see sequence details
Ile 121	Met 121	see sequence details
His 600	-	expression tag
His 601	-	expression tag
His 602	-	expression tag
His 603	-	expression tag
His 604	-	expression tag
His 605	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	136801.5
Non-Polymers*	Number of molecules	2
	Total formula weight	212.2
All*	Total formula weight	137013.8

*Water molecules are not included.