6O44

Insight into subtilisin E-S7 cleavage pattern based on crystal structure and hydrolysates peptide analysis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Nattokinase	polymer	284	28862.8	2	UniProt (A0A024B5N4) Pfam (PF00082) UniProt (by SIFTS) (P04189) In PDB	Bacillus subtilis
2	A, B	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	A, B	1,2-ETHANEDIOL	non-polymer		62.1	6	Chemie (EDO)
5		water	water		18.0	452	Chemie (HOH)

Sequence modifications

A, B: 1 - 275 (UniProt: A0A024B5N4)

PDB	External Database	Details
Cys 221	Ser 327	engineered mutation
Ser 276	-	expression tag
Leu 277	-	expression tag
Glu 278	-	expression tag
His 279	-	expression tag
His 280	-	expression tag
His 281	-	expression tag
His 282	-	expression tag
His 283	-	expression tag
His 284	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57725.6
Non-Polymers*	Number of molecules	11
	Total formula weight	628.8
All*	Total formula weight	58354.4

*Water molecules are not included.