1SCJ

CRYSTAL STRUCTURE OF SUBTILISIN-PROPEPTIDE COMPLEX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	SUBTILISIN E	polymer	275	27748.6	1	UniProt (P04189) Pfam (PF00082) In PDB	Bacillus subtilis	SERINE PROTEASE
2	B	SUBTILISIN E	polymer	71	7980.2	1	UniProt (P04189) Pfam (PF05922) In PDB	Bacillus subtilis	SERINE PROTEASE
3	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	189	Chemie (HOH)

Sequence modifications

A: 1 - 275 (UniProt: P04189)

PDB	External Database	Details
Cys 221	Ser 327	engineered mutation

B: 307 - 377 (UniProt: P04189)

PDB	External Database	Details
Gln 332	Glu 61	conflict
Glu 338	Gln 67	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	35728.8
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	35808.9

*Water molecules are not included.