Keratin-associated protein 1-3 (Keratin-associated protein 1.8) (Keratin-associated protein 1.9)
1_MTCCQ 6_ TSFCG 11_ YPSCS 16_ TSGTC 21_ GSSCC 26_ QPSCC 31_ ETSCC 36_ QPSCC 41_ QTSFC 46_ GFPSF 51_ STSGT 56_ CSSSC 61_ CQPSC 66_ CETSC 71_ CQPSC 76_ CQTSS 81_ CGTGC 86_ GIGGG 91_ IGYGQ 96_ EGSSG 101_ AVSTR 106_ IRWCR 111_ PDCRV 116_ EGTCL 121_ PPCCV 126_ VSCTP 131_ PTCCQ 136_ LHHAE 141_ ASCCR 146_ PSYCG 151_ QSCCR 156_ PVCCC 161_YSCEP
1: In the hair cortex, hair keratin intermediate filaments are embedded in an interfilamentous matrix, consisting of hair keratin-associated proteins (KRTAP), which are essential for the formation of a rigid and resistant hair shaft through their extensive disulfide bond cross-linking with abundant cysteine residues of hair keratins. The matrix proteins include the high-sulfur and high-glycine-tyrosine keratins