>gi|22027574 alpha 1 type XIII collagen isoform 4 [Homo sapiens] MVAERTHKAAATGARGPGELGAPGTVALVAARAERGARLPSPGSCGLLTL ALCSLALSLLAHFRTAELQARVLRLEAERGEQQMETAILGRVNQLLDEKW KLHSRRRREAPKTSPGCNCPPAFQGPTGRPGLPGDKGAIGMPGRVGSPGD AGLSIIGPRGPPGQPGTRGFPGFPGPIGLDGKPGHPGPKGDMGLTGPPGQ PGPQGQKGEKGQCGEYPHRLLPLLNSVRLAPPPVIKRRTFQGEQSQASIQ GPPGPPGPPGPSGPLGHPGLPGPMGPPGLPGPPGPKGDPGIQGYHGRKGE RGMPGMPGKHGAKGAPGIAVAGMKGEPGIPGTKGEKGAEGSPGLPGLLGQ KGEKGDAGNSIGGGRGEPGPPGLPGPPGPKGEAGVDGQVGPPGQPGDKGE RGAAGEQGPDGPKGSKGEPGKGEMVDYNGNINEALQEIRTLALMGPPGLP GQIGPPGAPGIPGQKGEIGLPGPPGHDGEKGPRGKPGDMGPPGPQGPPGK DGPPGVKGENGHPGSPGEKGEKGETGQAGSPGEKGEAGEKGNPGAEVPGL PGPEGPPGPPGLQGVPGPKGEAGLDGAKGEKGFQGEKGDRGPLGLPGASG LDGRPGPPGTPGPIGVPGPAGPKGERGSKGDPGMTGPTGAAGLPGLHGPP GDKGNRGERGKKGSRGPKGDKGDQGAPGLDAPCPLGEDGLPVQGCWNK