8W2T

Cryo-EM structure of human tankyrase 2 SAM-PARP filament - apo state (focused refinement map).

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (D, Q)	Poly [ADP-ribose] polymerase tankyrase-2	polymer	317	35657.3	2	UniProt (Q9H2K2) Pfam (PF07647) Pfam (PF00644)	Homo sapiens (human)	ADP-ribosyltransferase diphtheria toxin-like 6,ARTD6,Poly [ADP-ribose] polymerase 5B,Protein poly-ADP-ribosyltransferase tankyrase-2,TNKS-2,TRF1-interacting ankyrin-related ADP-ribose polymerase 2,Tankyrase II,Tankyrase-2,TANK2,Tankyrase-like protein,Tankyrase-related protein
2	C, D (D, Q)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71314.7
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	71445.5

*Water molecules are not included.