4QZ8

Mouse Tdt in complex with a DSB substrate, C-G base pair

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA nucleotidylexotransferase	polymer	400	45704.0	1	UniProt (P09838) Pfam (PF14716) Pfam (PF10391) Pfam (PF01909) Pfam (PF14791) In PDB	Mus musculus (mouse)	Terminal addition enzyme, Terminal deoxynucleotidyltransferase, TDT, Terminal transferase
2	D, U	5'-D(*AP*AP*AP*AP*AP*C)-3'	polymer	6	1810.3	2
3	T	5'-D(*TP*TP*TP*TP*TP*GP*G)-3'	polymer	7	2134.4	1
4	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
6	A	2',3'-DIDEOXYCYTIDINE 5'-TRIPHOSPHATE	non-polymer		451.2	1	Chemie (DCT)
7		water	water		18.0	89	Chemie (HOH)

Sequence modifications

A: 132 - 482 (UniProt: P09838)

PDB	External Database	Details
Met 111	-	expression tag
Gly 112	-	expression tag
Ser 113	-	expression tag
Ser 114	-	expression tag
His 115	-	expression tag
His 116	-	expression tag
His 117	-	expression tag
His 118	-	expression tag
His 119	-	expression tag
His 120	-	expression tag
Ser 121	-	expression tag
Ser 122	-	expression tag
Gly 123	-	expression tag
Leu 124	-	expression tag
Val 125	-	expression tag
Pro 126	-	expression tag
Arg 127	-	expression tag
Gly 128	-	expression tag
Ser 129	-	expression tag
His 130	-	expression tag
Met 131	-	expression tag

A: 483 - 510 (UniProt: P09838)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	51458.9
Non-Polymers*	Number of molecules	3
	Total formula weight	498.5
All*	Total formula weight	51957.4

*Water molecules are not included.