Supplemental Dataset 1. Text file of amino acid alignments used to generate the phylogenetic tree presented in Figure 1. CLUSTAL W multiple sequence alignment At5g09290 ----------------------------------------------------------MP At5g54390 -------------------------------------------------------MAVDS At5g63980 ----------------------------------------------------------MA At5g63990 ----------------------------------------------------------MS At5g64000 ----------------------------------------------------------MS HsBPNT1 -------------------------------------------MASSNT----------- HsINPP1 -------------------------------------------MSDILR----------- MmBPNT1 -------------------------------------------MASSHT----------- MmINPP1 -------------------------------------------MSDILL----------- Os02g080550 ---RCRLTKKVEHEEEAAEEEEHLATTGSIHPPIHRRRRRRRRRRGLRASPPWDAAASAS Os07g055820 -------MPLLHLSPPPHRLLLAGGGRRR----LLLPAARRRSLVRVRAAAS-AAAAAAE Os07g055830 -------MPLLHISLPPHRLLLVAGGRRRRRRLLLLPPSPRRVCVRAAASVELEVAAAAG Os12g018320 ---------------------------------------------MSELPSPPPPAAGNQ Os12g018330 ----------------------------------------------------MSQAAGNP ScHAL2 -------------------------------------------------------MA--- SpCC1753.04 -------------------------------------------------------MS--- ZmDP1 ------------------------------------------------------MASGNP At5g09290 -----------------------------------------YEKELAAAKKAVSLAARLS At5g54390 -----------------------------------------LETEIDTAVRVVHLASSLC At5g63980 -----------------------------------------YEKELDAAKKAASLAARLC At5g63990 -----------------------------------------YDEMLSAAKKAVSLAARLS At5g64000 -----------------------------------------YEKELAAAKKAVTLAARLS HsBPNT1 -----------------------------------------VLMRLVASAYSIAQKAG-- HsINPP1 -----------------------------------------ELLCVSEKAANIARACRQQ MmBPNT1 -----------------------------------------VLMRLVASAYSIAQKAG-- MmINPP1 -----------------------------------------ELLRVSEKAANIARACRQQ Os02g080550 PPGRRPRRRRRRTGTGGSPRVGTAEHDWLWDCRGIGGGGRDYAREMEVAVRVVQAACTLC Os07g055820 AYG-----------------------------LPFPPERAAHHRELAAAAAAVERACRLC Os07g055830 EYG-----------------------------LPFPSERAAHHRELAAAAAAVERACRLC Os12g018320 -----------------------------------------YGAEHAAAKKAVALAARLC Os12g018330 -----------------------------------------YAAELAAAKKAVTLAARLC ScHAL2 -----------------------------------------LERELLVATQAVRKASLLT SpCC1753.04 -----------------------------------------FDAEKQLAIAAVRRASYLT ZmDP1 -----------------------------------------YAAELAAAKKAVTLAAKLC At5g09290 QEVQKSLLQSD-------VRSKSDKSPVTAADYGSQAVISHVLERELHP-EPLYLVAEEN At5g54390 VKVQEKLHLPN----GGHVKSKDDDSPVTVADFGVQAIVSWVLAEVFGD-QNLSIVAEED At5g63980 QKVQKALLQSD-------VQSKSDKSPVTVADYGSQAVVSLVLEKEL-SSEPFSLVAEED At5g63990 NEVRKSLLVTD-------VWNKSDDSPVTVADYGSQAVVSLVLERELQN-EPVSLVAEED At5g64000 QEVQKTLLQSQ-------VWKKSDRS-VTAADYGSQAVVSLVLERELQ--DKLSLVAEEE HsBPNT1 -MIVRRVIAEG---DLGIVEKTCATDLQTKADRLAQMSICSSLARKFP---KLTIIGEE- HsINPP1 EALFQLLIEEK---KEGEKNKKFAVDFKTLADVLVQEVIKQNMENKFPG-LEKNIFGEES MmBPNT1 -TIVRCVIAEG---DLGIVQKTSATDLQTKADRLVQMSICSSLARKFP---KLTIIGEE- MmINPP1 ETLFQLLIEEK---KGAEKNKKFAADFKTLADVLVQEVIKQNMENKFPG-LGKKVFGEES Os02g080550 QRVQSSLLLPASASASGSVHSKIDRSPVTVADWGVQAIVSWLLSDCFQD-ENISIVAEED Os07g055820 VDVKRTLLSGD-----KKILEKNDQTPVTVADFGVQALISLELQRLFPS---IPLVAEED Os07g055830 VDVKRSLLSGE-----KKIFEKNDQTLVTVADFGVQALISLELQRSFPS---IPLVAEED Os12g018320 KKVQQDLLKLD-------VQTKADRTPVTVADYGSQVLVSVVLKIEL-PSNSFSMVAEED Os12g018330 QAVQKDILQSG-------VQSKADQSPVTVADYGSQILVSLVLKMEAPASSSFSMVAEED ScHAL2 KRIQSEVISHK---DST-TITKSDNSPVTTGDYAAQTIIINAIMSSFPD---DKVVGEES SpCC1753.04 EKVFNQLIKEK---SAAGALTKDDKSPVTIGDFGAQAIVISMLKDAFPN---DPIVGEED ZmDP1 QTVQQDIMHSG-------VQAKADKSPVTVADYGSQILVGFSLKMDV-SSGPFSLVAEEA At5g09290 AED----------LHKNGAEEFLESITKLVNNALASDDSYAN----------SSLSMDDV At5g54390 TET----------LSEADSLGLLGAVSNAVNEALSEAQNYGLPK------PVKPLGSSEI At5g63980 SGD----------LRKDGSQDTLERITKLVNDTLATEESFNG----------STLSTDDL At5g63990 SGE----------LRKIAAETVLARITELVKDTLASDESYAIA---------SPLTSDDV At5g64000 TGD----------LRKNGSEAFLEDIAKLVKDTLASEESYT-----------SSLSTDDV HsBPNT1 -----------------------DLPSEEVDQELIEDSQWEEI---------LKQPCPSQ HsINPP1 NEFTNDWGEKITLRLCSTEEETAELLSKVLNGNKVASEALARV---------VHQDVAFT MmBPNT1 -----------------------DLPPGEVDQELIEDGQWEEI---------LKQPCPSQ MmINPP1 NEFTNDLGEKITVELQSTEEETAELLSKVLNGNMPASEALAQV---------VHEDVDLT Os02g080550 DET----------LSSSDGAALLESVVAAVNGCLIEAPKYGLRS------PEKELKAHDI Os07g055820 SAS----------LRSSNTDDNSSNVLVESISSAVAEKVSNAN---------SLLTHDDV Os07g055830 SAS----------LRSSNAD-NSSNVLVESISSAVADNVSNTD---------SLLTHDDV Os12g018320 SED----------LRKDGAQEMLGHITKLVNETIINDGSYS-----------ITLSKEDV Os12g018330 SEE----------LRKEGAEEILENITELVNETIVDDGTYS-----------IYFSKEGI ScHAL2 SSG----------LSD---AFVSGILNEIKANDEVYNKNYKKDDFLFTNDQFPLKSLEDV SpCC1753.04 SDF----------LREN--TQTCSRVWELVQETIQHATEYK--------ELGQIKSAEEM ZmDP1 LDE----------LRKDGAEEILEDITDLVNETIFDDGSYN-----------ISFTKEGI At5g09290 RKAIDHGR----SQGGSSGRHWILDPVDGTRGFVKGE-----------------EYAVAL At5g54390 LKAISRCN----SVGGPKGRHWVLDPVDGTLGFVRGD-----------------QYAVAL At5g63980 LRAIDCGT----SEGGPNGRHWVLDPIDGTKGFLRGD-----------------QYAVAL At5g63990 LNAIDRGK----SEGGPKGRHWILDPIGGTRGFIRGE-----------------QYAIGL At5g64000 LNAIDCGK----SEGGCKGSHWVLD-IDGTRGFVRGE-----------------QYAVGL HsBPNT1 YSAIK-----------EEDLVVWVDPLDGTKEYTEG-------------LLDNVTVLIGI HsINPP1 DPTLDSTE----INVPQDILGIWVDPIDSTYQYIKGSADIKSNQGIFPCGLQCVTILIGV MmBPNT1 YSAIK-----------EEDLVVWVDPLDGTKEYTEG-------------LLDNVTVLIGI MmINPP1 DPTLESLD----ISIPHESLGIWVDPIDSTYQYIKGSANVKSNQGIFPSGLQCVTILIGV Os02g080550 LQAIRRCS----SIGGPKGRFWVLDPVDGTLGFVRGD-----------------QYAVAL Os07g055820 LRAIDRGGKNAVSFDSNPASYWVLDPIDGTKGFLGGDD---------------ALYVVGL Os07g055830 LRAIDKGGKDSASFDSNPATYWVLDPIDGTQGFSKVDD---------------TLYVVGL Os12g018320 LVAIDGGK----SEGGPSGRYWILDPIDGTKGFIRGD-----------------QYAIGL Os12g018330 LSAIDDGK----SEGGPSGRHWVLDPIDGTKGFLRGD-----------------QYAIAL ScHAL2 RQIIDFGN----YEGGRKGRFW-LDPIDGTKGFLRGE-----------------QFAVCL SpCC1753.04 MSIIDQGS----YHGGRNGRMWTLDPIDGTKGFLRGA-----------------QYAICL ZmDP1 LSAIDDGK----SEGGPSGRHWVLDPIDGTKGFLRGD-----------------QYAIAL At5g09290 ALLVEGKVVLGVMACPKLENHKSSSS----------------------GCLFFATVGEG- At5g54390 ALIENGKVLLGVLGCPNYPVKKECLSNGCN----QAMKTKAVAGSVSKGCVMYAKRGSGQ At5g63980 GLLEEGKVVLGVLACPNLPLASIAGNNKNK------------SSSDEIGCLFFATIGSG- At5g63990 ALLVEGKVVLGVMACPKLPLASTAGNALK-------------SLPEKVGCLFYGSVGNG- At5g64000 ALLVEGKVVLGVMACNLLASAVCATDNSS---------------QEDVGCLFFATTGSG- HsBPNT1 A--YEGKAIAGVINQPYYNYEAGPDAVLG---------------RTIWGVLGLGAFGFQL HsINPP1 YDIQTGVPLMGVINQPFVSRDPNTLRWKG---------------QCYWGLSYMGTNMHSL MmBPNT1 A--YEGKAIAGIINQPYYNYQAGPDAALG---------------RTIWGVLGLGAFGFQL MmINPP1 YDLQTGLPLMGVINQPFASQNLTTLRWKG---------------QCYWGLSYMGTNIHSL Os02g080550 ALIEDGEVVLGVLGCPNYPMKKEWLNYHQRYYRLMSKVSPPTSGSWHKGCVMYAHRGCGQ Os07g055820 ALVVNEKVVAGVMGCPNWSNATIASRKEDS-----------AAAQPDHGILMIAHVGCG- Os07g055830 ALVVNGKVVAGVMGSPNWASDTIANRKDDS-----------IASRYDRGILMIAHEGCG- Os12g018320 ALLDEGKVVLGAMACPNLPFKSID-HNGG-------------SSGDQVGALFSATIGCG- Os12g018330 ALLDEGKVVLGVLACPNLSLGSIGNLNGG-------------SSGDQVGALFSATIGCG- ScHAL2 ALIVDGVVQLGCIGCPNLVLSSYGAQDLKG--------------HESFGYIFRAVRGLG- SpCC1753.04 ALIENGKPVVSAIGCPNLPYDFNQPE------------------TSPKGIIMSAVRNHG- ZmDP1 ALLDEGKVVLGVLACPNLPLSSINNINGN-------------SSGDKVGALFSATIGCG- At5g09290 AYVQSLEGD-------SHPPQKVQVSNIENPEEATFVESSHKPIPIHSS---IANKLG-- At5g54390 AWMQPLIVG---GIPES--ATLLKVSSVDDPVLATVCEPVERANSNHLFTAGLANSMG-- At5g63980 TYMQLLDSK-------S-SPVKVQVSSVENPEEASFFESFEGAHSLHDLSSSIANKLG-- At5g63990 TYVQSLSVD-------S-LPAKVEVSSIDDPAKASFFESYHTPVPIHNT---IATKLG-- At5g64000 TYVQSLKGN-------S--LQKVQVSSNENLDEAKFLESYHK--IIHGT---IAKKLG-- HsBPNT1 KEVPAGKH----------------------------IITTTRSHSNKLVTDCVAAMNP-- HsINPP1 QLTISRRNG----------SETHTGNTGSEAAFSPSFSAVISTSEKETIKAALSRVCG-- MmBPNT1 KEAPAGKH----------------------------IITTTRSHSNQLVTDCISAMNP-- MmINPP1 QLAISKSD-----------SETQTEN--SDREFSSPFSAVISTSEKDTIKAALSRACG-- Os02g080550 AWMQPLVHDF--GKLDWRNSREVRVSTVSDPISATFCEPVEKANTSHSFTAGLAHSVG-- Os07g055820 TWSRHLSVDIGQFTTAQSTWNRCLVDSCSVVNMARFCIPDSQTWNMIPLSVLFNSTMDES Os07g055830 AWTKRLYDEFGQFTTSKDTWNRCFVDSCSVVHKARYCLSDNQTWNMIPLSVVFNSTTDES Os12g018320 STVESLEG--------S-QPQKISVCSISNPVDASFFESYERKHCMRDCTSSIAEKLG-- Os12g018330 AEVESLQG--------S-PAQKISVCSIDNPVEASFFESYEGAHSLRDLTGSIAEKLG-- ScHAL2 AF-YSPSSD-------AESWTKIHVRHLKDTKDMITLEGVEKGHSSHDEQTAIKNKLN-- SpCC1753.04 CFQYSLHNE-------KLEPVQVHMQDVQNTKDSKFCEGVEAGHSMQGTQEEIAKYLG-- ZmDP1 AQVESLDG--------S-PPQKISVCSIDNPVNASFFESYESAHSMHDLTRSIAEKLG-- At5g09290 -------IKAPPLRIHSQVKYAALARGDAEIYLRFTLKG-YREFIWNHAAGAIITTEAGG At5g54390 -------VRKQPMRVYSMVKYAAIARGDAEVFMKFAQSS-YKEKIWDHAAGVVIVEEAGG At5g63980 -------VKAPPVRIDSQAKYGALSRGDGAIYLRFPHKG-YREKIWDHVAGAIVVTEAGG At5g63990 -------IKESPIKINSQTKYAALSRGDGEVYLRFTRKA-RPESIWNHAAGSIIVSEAGG At5g64000 -------IKA-LVRIDSQAKYAALSRGDAEIYLRFTLNG-YRECIWDHAG-SIITTEAGG HsBPNT1 --------DAVLRVGGVGNKIIQLIEGKASAYVFASPGC----KKWDTCAPEVILHAVGG HsINPP1 --------DRIFGAAGAGYKSLCVVQGLVDIYIFSEDTT----FKWDSCAAHAILRAMGG MmBPNT1 --------DTVLRVGGAGNKIIQLIEGKASAYVFASPGC----KKWDTCAPEVILHAVGG MmINPP1 --------GSVFPAAGAGYKSLCVIQGLADIYIFSEDTT----YKWDSCAAHAILRAMGG Os02g080550 -------LRKQPLRVYSMVKYAAIARGDVEIFMKFARAG-YKEKIWDHAAGVVIIREAGG Os07g055820 NPRDENEILLLSVYCGSLCKYLTVASGRASVFVLRARTK--NLKSWDHAVGVICVQEAGG Os07g055830 KPRDENELLTSYVFSGSLCKYLTVAYGRASVFVLKARTK--SLKSWDHTVGVICVQEAGG Os12g018320 -------IQAPPVRIDSQAKYGAVAQGDGAIYWRFPHKR-SKEAVWDHAAGSIIVTEAGG Os12g018330 -------VQAPPVRIDSQAKYGALARGDGAIYLRFPHKG-YREKIWDHAAGSIVVTEAGG ScHAL2 -------ISKS-LHLDSQAKYCLLALGLADVYLRLPIKLSYQEKIWDHAAGNVIVHEAGG SpCC1753.04 -------ITRGPTKMDSQAKYASLARGDGDIYLRLPTKMTFEEKIWDHAGGSLLVEEAGG ZmDP1 -------VQAPPVRIDSQAKYGALARGDGAIYLRFPHKG-YREKIWDHAGGSIVVTEAGG At5g09290 VVCDADG----------NPLDFSR--------GNHLE-HKTGIVVST----KNLMPRLLK At5g54390 VVTDAGG----------RNLDFSK--------GVYLEGLDRGIIACSG---QVLHEKIIG At5g63980 IVTDAAG----------KPLDFSK--------GKYLD-LDTGIIVAN----EKLMPLLLK At5g63990 KVTDAAG----------NPLDFSK--------GKYLD-YKRGIVVTT----QKLLPRLLT At5g64000 VVCDATG----------KSLDFSK--------GKYLA-HKTGIIVTT----KKLK-WILK HsBPNT1 KLTDIHG----------NVLQYHKDVSHRTWPKPDFFRAQFFLESHSC--FSRNFKNVST HsINPP1 GIVDLKECLERNPETGLDLPQLVYHVENEGAAGVDRWANKGGLIAYRS--RKRLETFLSL MmBPNT1 KLTDIHG----------NALQYNKEVKHMNSAG--------VLAALRN--YEYYASHVPE MmINPP1 GIVDMKECLERSPDTGLDLPQLLYHVENKGASGVELWANKGGLIAYRS--RNRLDTFLSR Os02g080550 VITDAGG----------RPLDFSR--------GVFLEGLDRGIIACSG---PLLHHRIVG Os07g055820 QISDWSG----------KPLDLAADLT-----GRRDIYPSGGVLVTN----GALHGKLVE Os07g055830 QVTDWRG----------EPLDLEADLT-----GRRDIYPHGGILITN----GVLHNKLAE Os12g018320 LVKDASG----------NDLDFSK--------GRYLD-RDAGIIATN----KYLMPLVVK Os12g018330 LVTDASG----------NDLDFSK--------GRFLD-LDTGIIATN----KQLMPSLLK ScHAL2 VHTDAMED---------VPLDFGN--------GRTLAT-KGVIASSG---PRELHDLVVS SpCC1753.04 VVSDMFG----------KPLDFGV--------GRTLKNNNGVIAAYKGIFEKVIEATAAV ZmDP1 IVTDAAG----------KDLDFSK--------GRFLD-LDTGIIATN----KELMPSLLK At5g09290 AIRESIEEEMLLSETQLKL--- At5g54390 AVYASWESSSL----------- At5g63980 AVRDSIAEQEKASAL------- At5g63990 AVRESIKEEEEEEEKAASLKLH At5g64000 AVRESIEEENLYF--------- HsBPNT1 PIKNIYDVIIYAYETDL----- HsINPP1 LVQNLAPAETHT---------- MmBPNT1 SVKN---ALIP----------- MmINPP1 LIQNLGPVKTQA---------- Os02g080550 AVDASWNSSTL----------- Os07g055820 MISANHK--------------- Os07g055830 LIKANY---------------- Os12g018320 AAQEAMKEEGILG--------- Os12g018330 AVQDAIKEQNQAASPL------ ScHAL2 TSCDVIQSRNA----------- SpCC1753.04 TSKDPHFQKVAQ---------- ZmDP1 AVQEAIKETNQAASLL------