3N4P

Human cytomegalovirus terminase nuclease domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Terminase subunit UL89 protein	polymer	279	31817.9	4	UniProt (P16732) Pfam (PF02499)	Human herpesvirus 5
2	E, F, G, H, I... (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	7	Chemie (MG)
3	L, M, N, O (A, B, C, D)	water	water		18.0	98	Chemie (HOH)

Sequence modifications

A, B, C, D: 418 - 674 (UniProt: P16732)

PDB	External Database	Details
Met 396	-	expression tag
Gly 397	-	expression tag
His 398	-	expression tag
His 399	-	expression tag
His 400	-	expression tag
His 401	-	expression tag
His 402	-	expression tag
His 403	-	expression tag
Asp 404	-	expression tag
Tyr 405	-	expression tag
Asp 406	-	expression tag
Ile 407	-	expression tag
Pro 408	-	expression tag
Thr 409	-	expression tag
Thr 410	-	expression tag
Glu 411	-	expression tag
Asn 412	-	expression tag
Leu 413	-	expression tag
Tyr 414	-	expression tag
Phe 415	-	expression tag
Gln 416	-	expression tag
Gly 417	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	127271.6
Non-Polymers*	Number of molecules	7
	Total formula weight	170.1
All*	Total formula weight	127441.7

*Water molecules are not included.