3NJN

Q118A mutant of SO1698 protein, an aspartic peptidase from Shewanella oneidensis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Peptidase	polymer	119	12664.3	2	UniProt (Q8EGA7) Pfam (PF08985) In PDB	Shewanella oneidensis
2	B, D	Peptidase	polymer	9	1023.2	2	UniProt (Q8EGA7) In PDB	Shewanella oneidensis
3	A	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	1	Chemie (MPD)
4	A, C	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5		water	water		18.0	293	Chemie (HOH)

Sequence modifications

A, C: 1 - 116 (UniProt: Q8EGA7)

PDB	External Database	Details
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

B, D: 117 - 125 (UniProt: Q8EGA7)

PDB	External Database	Details
Ala 118	Gln 118	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	27375.0
Non-Polymers*	Number of molecules	3
	Total formula weight	198.3
All*	Total formula weight	27573.3

*Water molecules are not included.