>sp|Q97D83|RRBR2_CLOAB Reverse rubrerythrin-2 OS=Clostridium acetobutylicum GN=rbr3B MKKFKCVVCGYIYTGEDAPEKCPVCGAGKDKFVEVKDEGEGWADEHKIGIAKGVDKEVLE GLRANFTGECTEVGMYLAMARQADREGYPEVAEAYKRIAFEEAEHASKFAELLGEVVVAD TKTNLQMRVDAEKGACEGKKELATLAKKLNYDAIHDTVHEMCKDEARHGSAFRGLLNRYF K