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5KWB

Crystal Structure of the Receptor Binding Domain of the Spike Glycoprotein of Human Betacoronavirus HKU1 (HKU1 1A-CTD, 1.9 angstrom, molecular replacement)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Spike glycoproteinpolymer37141425.11UniProt (Q5MQD0)
Pfam (PF09408)
Pfam (PF19209)
Human coronavirus HKU1 (isolate N1) (HCoV-HKU1)S glycoprotein,E2,Peplomer protein
2B
(B)
beta-D-fructofuranose-(2-1)-alpha-D-glucopyranosebranched342.31In PDB
BIRD (PRD_900003)
sucrose
3C, D, E, F
(A)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.24Chemie (NAG)
4G, H, I, J, K...
(A)
MAGNESIUM IONnon-polymer24.36Chemie (MG)
5M
(A)
waterwater18.0337Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight41425.1
BranchedNumber of molecules1
Total formula weight342.3
Non-Polymers*Number of molecules10
Total formula weight1030.7
All*Total formula weight42798.0
*Water molecules are not included.

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PDB entries from 2025-07-16

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