4I2C

Ternary complex of mouse TdT with ssDNA and AMPcPP

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	C	5'-D(*AP*AP*AP*AP*A)-3'	polymer	5	1521.1	1
3	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4	A	DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER	non-polymer		505.2	1	Chemie (APC)
5	A	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
6		water	water		18.0	349	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	2
	Total formula weight	47225.1
Non-Polymers*	Number of molecules	4
	Total formula weight	638.1
All*	Total formula weight	47863.2

*Water molecules are not included.