HIST2H3A GI:53793688 histone cluster 2, H3a 1 martkqtark stggkaprkq latkaarksa patggvkkph ryrpgtvalr 50 51 eirryqkste llirklpfqr lvreiaqdfk tdlrfqssav malqeaseay 100 101 lvglfedtnl caihakrvti mpkdiqlarr irgera