2CSB

Crystal structure of Topoisomerase V from Methanopyrus kandleri (61 kDa fragment)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Topoisomerase V	polymer	519	60331.3	2	GenBank (20094872) Pfam (PF13412) Pfam (PF21616) Pfam (PF14520) UniProt (by SIFTS) (Q977W1) In PDB	Methanopyrus kandleri	Top61
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3		water	water		18.0	516	Chemie (HOH)

Sequence modifications

A, B: 1 - 519 (GenBank: 20094872)

PDB	External Database	Details
Mse 1	Met 1	modified residue
Mse 40	Met 40	modified residue
Mse 155	Met 155	modified residue
Mse 166	Met 166	modified residue
Mse 286	Met 286	modified residue
Mse 325	Met 325	modified residue
Mse 391	Met 391	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	120662.6
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	120686.9

*Water molecules are not included.