3RTK

Crystal structure of Cpn60.2 from Mycobacterium tuberculosis at 2.8A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	60 kDa chaperonin 2	polymer	546	57622.4	2	UniProt (P0A520) Pfam (PF00118) UniProt (by SIFTS) (P9WPE7) In PDB	Mycobacterium tuberculosis	Cpn60.2, 65 kDa antigen, Antigen A, Cell wall protein A, GroEL protein 2, Heat shock protein 65
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3		water	water		18.0	8	Chemie (HOH)

Sequence modifications

A, B: 1 - 540 (UniProt: P0A520)

PDB	External Database	Details
His 541	-	expression tag
His 542	-	expression tag
His 543	-	expression tag
His 544	-	expression tag
His 545	-	expression tag
His 546	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	115244.7
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	115269.0

*Water molecules are not included.