4OUN

Crystal Structure of Mini-ribonuclease 3 from Bacillus subtilis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Mini-ribonuclease 3	polymer	163	18422.7	1	UniProt (O31418) Pfam (PF00636)	Bacillus subtilis subsp. subtilis	Mini-3, Mini-RNase 3, Mini-RNase III, Mini-III
2	B (A)	water	water		18.0	36	Chemie (HOH)

Sequence modifications

A: 21 - 163 (UniProt: O31418)

PDB	External Database	Details
Met 1	-	expression tag
Gly 2	-	expression tag
Ser 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Ser 11	-	expression tag
Ser 12	-	expression tag
Gly 13	-	expression tag
Leu 14	-	expression tag
Val 15	-	expression tag
Pro 16	-	expression tag
Arg 17	-	expression tag
Gly 18	-	expression tag
Ser 19	-	expression tag
His 20	-	expression tag
Gln 126	Glu 106	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	18422.7
All*	Total formula weight	18422.7

*Water molecules are not included.