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4CGK

Crystal structure of the essential protein PcsB from Streptococcus pneumoniae

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
SECRETED 45 KDA PROTEINpolymer39241738.12UniProt (Q04HW2)
Pfam (PF24568)
Pfam (PF05257)
UniProt (by SIFTS) (A0A0H2ZQ76)
STREPTOCOCCUS PNEUMONIAEPCSB
2C, D
(A)
1,2-ETHANEDIOLnon-polymer62.12Chemie (EDO)
3E, F, G, H, I...
(A, B)
CHLORIDE IONnon-polymer35.58Chemie (CL)
PubChem (312)
4L
(B)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
PubChem (888)
5M
(B)
TETRAETHYLENE GLYCOLnon-polymer194.21Chemie (PG4)
PubChem (8200)
6O, P
(A, B)
waterwater18.0448Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight83476.3
Non-Polymers*Number of molecules12
Total formula weight626.3
All*Total formula weight84102.6
*Water molecules are not included.

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PDB entries from 2026-04-01

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