4OI9:
reference: Crystal structures of an ICAM-5 ectodomain fragment show electrostatic-based homophilic adhesions., Recacha R, Jimenez D, Tian L, Barredo R, Gahmberg CG, Casasnovas JM, Acta Crystallogr D Biol Crystallogr. 2014 Jul 1;70(Pt 7):1934-43. doi:, 10.1107/S1399004714009468. Epub 2014 Jun 29. PMID: 25004970

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