>1a3rH (H:) observed residues (from ATOM records)
vqlqqsgaelvrpgasvklscttsgfnikdiyihwvkqrpeqglewigrldpangytkyd
pkfqgkatitvdtssntaylhlssltsedtavyycdgyysyydmdywgpgtsvtvssakt
tapsvyplapvcssvtlgclvkgyfpepvtltwnsgslssgvhtfpavlqsdlytlsssv
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