4Q6N

Structural analysis of the tripeptide-bound form of Helicobacter pylori Csd4, a D,L-carboxypeptidase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Conserved hypothetical secreted protein	polymer	437	49914.3	1	UniProt (O25708) Pfam (PF17033) Pfam (PF17130) Pfam (PF17129) In PDB	Helicobacter pylori	Csd4
2	A	L-ALA-GAMMA-D-GLU-MESO-DIAMINOPIMELIC ACID	non-polymer		390.4	1	Chemie (MHI)
3	A	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
4	A	GLYCEROL	non-polymer		92.1	3	Chemie (GOL)
5		water	water		18.0	446	Chemie (HOH)

Sequence modifications

A: 22 - 438 (UniProt: O25708)

PDB	External Database	Details
Met 2	-	expression tag
Gly 3	-	expression tag
Ser 4	-	expression tag
Ser 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
Ser 12	-	expression tag
Ser 13	-	expression tag
Gly 14	-	expression tag
Leu 15	-	expression tag
Val 16	-	expression tag
Pro 17	-	expression tag
Arg 18	-	expression tag
Gly 19	-	expression tag
Ser 20	-	expression tag
His 21	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	49914.3
Non-Polymers*	Number of molecules	7
	Total formula weight	786.9
All*	Total formula weight	50701.2

*Water molecules are not included.