1Q5R

The Rhodococcus 20S proteasome with unprocessed pro-peptides

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	proteasome alpha-type subunit 1	polymer	259	28448.9	7	UniProt (Q53080) Pfam (PF00227) In PDB	Rhodococcus erythropolis
2	H, I, J, K, L...	proteasome beta-type subunit 1	polymer	294	31140.5	7	UniProt (Q53079) Pfam (PF00227) In PDB	Rhodococcus erythropolis
3		water	water		18.0	100	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G: 8 - 259 (UniProt: Q53080)

PDB	External Database	Details
Met 1	-	initiating methionine
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag

H, I, J, K, L, M, N: -65 - 228 (UniProt: Q53079)

PDB	External Database	Details
Ala -63	Lys 98	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	14
	Total formula weight	417125.5
All*	Total formula weight	417125.5

*Water molecules are not included.