3M91

Crystal structure of the prokaryotic ubiquitin-like protein (Pup) complexed with the amino terminal coiled coil of the Mycobacterium tuberculosis proteasomal ATPase Mpa

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Proteasome-associated ATPase	polymer	51	5834.6	2	UniProt (P63345) UniProt (by SIFTS) (P9WQN5) In PDB	Mycobacterium tuberculosis	AAA ATPase forming ring-shaped complexes, ARC, Mycobacterial proteasome ATPase
2	B, D	Prokaryotic ubiquitin-like protein pup	polymer	44	4990.3	2	UniProt (O33246) Pfam (PF05639) UniProt (by SIFTS) (P9WHN5) In PDB	Mycobacterium tuberculosis	Bacterial ubiquitin-like modifier
3		water	water		18.0	77	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	21649.7
All*	Total formula weight	21649.7

*Water molecules are not included.