TheAnti-Cytokeratin(CK3-6H5)antibodyisapan-cytokeratin–specificantibodytargetingcytokeratinsfromsimpleepithelia.ItcrossblocksCam5.21,anantibodyspecificforcytokeratin7and8,andhasbeenshowntoreactwithnativecytokeratinpreparationscontainingcytokeratins8,18,and19aswellaswithrecombinantcytokeratin8.