26CZ

Cryo-EM structure of the hexameric DRT3b complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Small ubiquitin-related modifier,RNA-directed DNA polymerase	polymer	775	90781.2	1	UniProt (Q12306) Pfam (PF00240)	Saccharomyces cerevisiae S288C	SUMO,Suppressor of mif two,Ubiquitin-like protein SMT3
2	B (B)	DNA	polymer	14	4171.8	1		Escherichia coli
3	C (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG) PubChem (888)
4	D, E (A, B)	water	water		18.0	6	Chemie (HOH)

Sequence modifications

A: -95 - 0 (UniProt: Q12306)

PDB	External Database	Details
Met -107	-	initiating methionine
Gly -106	-	expression tag
His -105	-	expression tag
His -104	-	expression tag
His -103	-	expression tag
His -102	-	expression tag
His -101	-	expression tag
His -100	-	expression tag
Gly -99	-	expression tag
Ser -98	-	expression tag
Leu -97	-	expression tag
Gln -96	-	expression tag
Ala -21	Thr 77	engineered mutation

A: 1 - 667 (PDB: 26CZ)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	94952.9
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	94977.2

*Water molecules are not included.