Uniprot ID	Q4W1I9
Uniprot Name	PER2_ZINVI
Taxonomy ID	34245
Sequence	M S Y H K S S G T T L M V P L F M L L I S V N Y F M S C N A Q L S T T F Y D T T C P T A L S T I R T S I R S S V S S N R R N A A L V I R L L F H D C F V Q G C D A S L L L S G A G S E R A S P A N D G V L G Y E V I D A A K A A V E R V C P G V V S C A D I L A V A A R D A S V A V G G P S W T V R L G R R D S T T S N A A Q A A T D L P R G N M V L S Q L I S N F A N K G L N T R E M V A L S G S H T L G Q A R C I R F R G R I Y N S T L R I E P N F N R S L S Q A C P P T G N D A T L R P L D L V T P N S F D N N Y Y R N L V T S R G L L I S D Q V L F N A D S T D S I V T E Y V N N P A T F A A D F A A A M V K M S E I G V V T G T S G I V R T L C G N P S
Cofactor	COFACTOR: Name=heme b; Xref=ChEBI:CHEBI:60344; Evidence={ECO:0000255|PROSITE-ProRule:PRU00297}; Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit. {ECO:0000255|PROSITE-ProRule:PRU00297}; COFACTOR: Name=Ca(2+); Xref=ChEBI:CHEBI:29108; Evidence={ECO:0000255|PROSITE-ProRule:PRU00297}; Note=Binds 2 calcium ions per subunit. {ECO:0000255|PROSITE-ProRule:PRU00297};
Active site	ACT_SITE 72 72 Proton acceptor.
Pfam	PF00141
InterPro	IPR002016 IPR010255 IPR000823 IPR019794 IPR019793 IPR033905