4ZNI

Thermus Phage P74-26 Large Terminase ATPase domain (I 2 3 space group)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Phage terminase large subunit	polymer	274	31580.7	1	UniProt (A7XXR1) Pfam (PF03237) In PDB	Thermus phage P7426
2	A	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
3		water	water		18.0	101	Chemie (HOH)

Sequence modifications

A: 1 - 256 (UniProt: A7XXR1)

PDB	External Database	Details
Gly -4	-	expression tag
Pro -3	-	expression tag
Gly -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Gly 257	-	expression tag
Leu 258	-	expression tag
Glu 259	-	expression tag
His 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag
His 263	-	expression tag
His 264	-	expression tag
His 265	-	expression tag
His 266	-	expression tag
His 267	-	expression tag
His 268	-	expression tag
His 269	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	31580.7
Non-Polymers*	Number of molecules	7
	Total formula weight	672.4
All*	Total formula weight	32253.2

*Water molecules are not included.