Uniprot ID	Q42580
Uniprot Name	PER21_ARATH
Taxonomy ID	3702
Sequence	M A N A K P F C L L G F F C L L L Q L F S I F H I G N G E L E M N Y Y K E S C P K A E E I I R Q Q V E T L Y Y K H G N T A V S W L R N L F H D C V V K S C D A S L L L E T A R G V E S E Q K S K R S F G M R N F K Y V K I I K D A L E K E C P S T V S C A D I V A L S A R D G I V M L K G P K I E M I K T G R R D S R G S Y L G D V E T L I P N H N D S L S S V I S T F N S I G I D V E A T V A L L G A H S V G R V H C V N L V H R L Y P T I D P T L D P S Y A L Y L K K R C P S P T P D P N A V L Y S R N D R E T P M V V D N M Y Y K N I M A H K G L L V I D D E L A T D P R T A P F V A K M A A D N N Y F H E Q F S R G V R L L S E T N P L T G D Q G E I R K D C R Y V N
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 70 70 Proton acceptor.
Pfam	PF00141
InterPro	IPR002016 IPR010255 IPR000823 IPR033905