4NT9

Crystal structure of an L,D-carboxypeptidase DacB from Streptococcus pneumonia

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 (B, A, C)	Putative uncharacterized protein	polymer	219	24461.7	3	UniProt (Q97RZ7) Pfam (PF02557) UniProt (by SIFTS) (A0A0H2UP74)	Streptococcus pneumoniae	L,D-carboxypeptidase DacB
2	D, G, K (B, A, C)	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	E, H, L (B, A, C)	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
4	F, I, J, M (B, A, C)	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
5	N, O, P (B, A, C)	water	water		18.0	393	Chemie (HOH)

Sequence modifications

B, A, C: 27 - 238 (UniProt: Q97RZ7)

PDB	External Database	Details
Gly 20	-	expression tag
His 21	-	expression tag
His 22	-	expression tag
His 23	-	expression tag
His 24	-	expression tag
His 25	-	expression tag
His 26	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	73385.2
Non-Polymers*	Number of molecules	10
	Total formula weight	741.7
All*	Total formula weight	74127.0

*Water molecules are not included.