Members of the low density lipoprotein receptor family mediate cell entry of a minor-group common cold virus

Proc Natl Acad Sci U S A. 1994 Mar 1;91(5):1839-42. doi: 10.1073/pnas.91.5.1839.


A protein binding to a minor-group human rhinovirus (HRV2) was purified from HeLa cell culture supernatant. The amino acid sequences of tryptic peptides showed identity with the human low density lipoprotein (LDL) receptor (LDLR). LDL and HRV2 mutually competed for binding sites on human fibroblasts. Cells down-regulated for LDLR expression yielded much less HRV2 upon infection than cells with up-regulated LDLR. Virus also bound to the large subunit of the alpha 2-macroglobulin receptor/LDLR-related protein (alpha 2MR/LRP). LDLR-deficient fibroblasts yielded considerably less virus in the presence of receptor-associated protein (RAP), providing evidence that alpha 2MR/LRP also acts as a minor group HRV receptor.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Amino Acid Sequence
  • Binding, Competitive
  • Cells, Cultured
  • Fibroblasts / metabolism
  • Fibroblasts / microbiology
  • HeLa Cells
  • Humans
  • Hyperlipoproteinemia Type II / metabolism
  • Hyperlipoproteinemia Type II / microbiology
  • Molecular Sequence Data
  • Peptide Fragments / genetics
  • Receptors, LDL / classification
  • Receptors, LDL / genetics
  • Receptors, LDL / metabolism*
  • Receptors, Virus / genetics
  • Receptors, Virus / metabolism*
  • Rhinovirus / metabolism*


  • Peptide Fragments
  • Receptors, LDL
  • Receptors, Virus