4KWB

Structure of signal peptide peptidase A with C-termini bound in the active sites: insights into specificity, self-processing and regulation

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...	Signal peptide peptidase SppA	polymer	273	30004.1	8	UniProt (O34525) Pfam (PF01343) In PDB	Bacillus subtilis subsp. subtilis
2		water	water		18.0	221	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H: 51 - 335 (UniProt: O34525)

PDB	External Database	Details
Ala 199	Lys 199	engineered mutation
-	Leu 296	SEE REMARK 999
-	Gly 297	SEE REMARK 999
-	Ser 298	SEE REMARK 999
-	Leu 299	SEE REMARK 999
-	Phe 300	SEE REMARK 999
-	Ser 301	SEE REMARK 999
-	Met 302	SEE REMARK 999
-	Gly 303	SEE REMARK 999
-	Ala 304	SEE REMARK 999
-	Asn 305	SEE REMARK 999
-	Lys 306	SEE REMARK 999
-	Met 307	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	240033.1
All*	Total formula weight	240033.1

*Water molecules are not included.