6Z6D

Crystal structure of the HK97 bacteriophage large terminase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Terminase large subunit	polymer	514	56450.3	1	UniProt (Q9MCT1) Pfam (PF03354) Pfam (PF20441) In PDB	Enterobacteria phage HK97
2	A	BROMIDE ION	non-polymer		79.9	17	Chemie (BR)
3		water	water		18.0	93	Chemie (HOH)

Sequence modifications

A: 1 - 504 (UniProt: Q9MCT1)

PDB	External Database	Details
Met -9	-	initiating methionine
Gly -8	-	expression tag
Ser -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	56450.3
Non-Polymers*	Number of molecules	17
	Total formula weight	1358.4
All*	Total formula weight	57808.7

*Water molecules are not included.