>sp|Q5K486|HEMTA_SIPNU Hemerythrin subunit A OS=Sipunculus nudus MPFPVPDPFVWDTSFQVFYFELDEKHRGIFQALFALGNDNNPSNLKLLYRVTANHFAEEE GFMQTANYGGYRSHKVLHEDFLAKLRSFKAPVPDKDVYFAKDWLVQHIKTIDFKYKNLL