5DYN

B. fragilis cysteine protease

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Putative peptidase	polymer	130	14413.3	1	UniProt (Q5LBR6) Pfam (PF03415) In PDB	Bacteroides fragilis
2	B	Putative peptidase	polymer	252	28722.9	1	UniProt (Q5LBR6) Pfam (PF03415) In PDB	Bacteroides fragilis
3	A, B	SODIUM ION	non-polymer		23.0	8	Chemie (NA)
4	B	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5		water	water		18.0	50	Chemie (HOH)

Sequence modifications

A: 20 - 147 (UniProt: Q5LBR6)

PDB	External Database	Details
Met 18	-	initiating methionine
Ala 19	-	expression tag

B: 148 - 393 (UniProt: Q5LBR6)

PDB	External Database	Details
Asp 242	Asn 229	conflict
Thr 372	Ala 359	conflict
His 394	-	expression tag
His 395	-	expression tag
His 396	-	expression tag
His 397	-	expression tag
His 398	-	expression tag
His 399	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	43136.2
Non-Polymers*	Number of molecules	9
	Total formula weight	219.4
All*	Total formula weight	43355.5

*Water molecules are not included.