The Kinesin-2 Family

The Kinesin-2 (formerly KRP85/95 or Kinesin II) family tree was found using the heuristic search method of PAUP v4.0b4a (Swofford, 2002), a maximum parsimony program, and random stepwise addition. The tree is one of two optimal trees that resulted from 600 trees that were built. The bootstrap value adjacent to the node is the percentage of 1,810 heuristic bootstrap trials in which the indicated group was found. The tree contains Kinesin-2 proteins from humans and several model organisms. Kinesin-2 proteins from other organisms are also shown in the table and sequence alignment below.

Species/protein Molecular mass (kDa) Motor polarity & velocity Subcellular localization Comments
D. melanogaster Klp64D ND ND
H. sapiens KIF3 45 ND ND
C. elegans Y50D7 ND ND
H. sapiens KIF3B 85 ND ND
H. sapiens KIF3C 89 ND ND
C. elegans KLP11 (F20C5) 129 ND ND
D. melanogaster Klp68D 88 Plus, 18 µm/min ND Present in CNS, may be a motor for anterograde axonal transport
H. sapiens KIAA1405 115
C. elegans Osm3 75 ND ND Required for cilia function, transport of vesicles in sensory apparatus
D. melanogaster Kif3C 66
C. reinhardtii FLA10 87 ND Flagella Role in flagellar assembly/maintenance
M. musculus KIF3A 80 Plus, 36 µm/min Microsomes/ synaptic vesicles Putative heterotetrameric motor for fast axonal transport
M. musculus KIF3B 85 Plus, 18 µm/min Neurons, cell bodies, axons and dendrites Associated with anterograde moving organelles transported by fast axonal flow
M. musculus KIF3C 90 ND ND
R. norvegicus KIF3C 90 ND ND
S. purpuratus KRP85 79 Plus, 24 µm/min ND Heterotrimer with KRP95 and non-KRP
S. purpuratus KRP95 84 Plus, 24 µm/min ND Heterotrimer with KRP85 and non-KRP
T. thermophila Kin1
T. thermophila Kin2
X. laevis Klp3 ND ND ND
          1       10        20        30        40        50        60        70        80        90        100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400                
          '        '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '                      
DmKlp64D  EIENVRVVVRTRPMDKNELSAGALSAISVDKINRAITVMKPN---------------ATANEPPKTYYFDNVFDGGS--------NQMDLYVDTARPIVDKVLEGYNGTILAYGQTGTGKTYTMSGNPDSPQTKGIIPNAFAHIFGHIAKAKENQKFLVRVSYMEIYNEEVRDLLGKDVGKSLEVKERPDIGVFVKDLSGYVVHNADDLENIMRLGNKNRAVGATKMNQESSRSHAIFSITVERSE-----------LGEGDVQHVRMGKLQLVDLAGSERQSKTQ--------------------------ASGQRLKEATKINLSLSVLGNVISALVDGKSTHIPYRNSKLTRLLQDSLGGNSKTVMCATISPADSNYMETISTLRYASRAKNIQNRMHIN  DmKlp64D
HsKIF3    SCDNVKVVVRCRPLNEREKSMCYKQAVSVDEMRGTITVHKTD----------------SSNEPPKTFTFDTVFGPES--------KQLDVYNLTARPIIDSVLEGYNGTIFAYGQTGTGKTFTMEGVRAIPELRGIIPNSFAHIFGHIAKAEGDTRFLVRVSYLEIYNEEVRDLLGKDQTQRLAVKERPDVGVYIKDLSAYVVNNADDMDRIMTLGHKNRSVGATNMNEHSSRSHAIFTITIECSE-----------KGIDGNMHVRMGKLHLVDLAGSERQAKTG--------------------------ATGQRLKEATKINLSLSTLGNVISALVDGKSTHVPYRNSKLTRLLQDSLGGNSKTMMCANIGPADYNYDETISTLRYANRAKNIKNKARIN  HsKIF3
CeY50D7   GAEKVKVVVRCRPISTTEKLQGHKIAVTCNDEEKAVNIKSLS-----------------QEDPPRTFYFDAVFSPNT--------DQMTVYNVAARPIVENVLKGYNGTIFAYGQTGTGKTFTMAGDLEPVEMRGIIPNSFAHIFDHIAKCQHDTTFLVRVSYLEIYNEEIRDLLSKDHNGNLEIKERPDVGVYVRNLSNPTVENASKMQALMEFGSKNRKVGATAMNLESSRSHAMFTVTIESCR----------------NGLVTQGKLQLVDLAGSERQSKTG--------------------------AQGERLKEAAKINLSLSTLGNVISSLVDGKSTHIPYRNSKLTRLLQDSLGGNSKTVMIANVGPATYNYDETLSTLRYANRAKNIQNVAKIN  CeY50D7
HsKIF3B   SSESVRVVVRCRPMNGKEKAASYDKVVDVDVKLGQVSVKNPK---------------GTAHEMPKTFTFDAVYDWNA--------KQFELYDETFRPLVDSVLQGFNGTIFAYGQTGTGKTYTMEGIRGDPEKRGVIPNSFDHIFTHISRSQNQQ-YLVRASYLEIYQEEIRDLLSKDQTKRLELKERPDTGVYVKDLSSFVTKSVKEIEHVMNVGNQNRSVGATNMNEHSSRSHAIFVITIECSE-----------VGLDGENHIRVGKLNLVDLAGSERQAKTG--------------------------AQGERLKEATKINLSLSALGNVISALVDGKSTHIPYRDSKLTRLLQDSLGGNAKTVMVANVGPASYNVEETLTTLRYANRAKNIKNKPRVN  HsKIF3B
HsKIF3C   ASEALKVVARCRPLSRKEEAAGHEQILTMDVKLGQVTLRNPR---------------AAPGELPKTFTFDAVYDASS--------KQADLYDETVRPLIDSVLQGFNGTVFAYGQTGTGKTYTMQGTWVEPELRGVIPNAFEHIFTHISRSQNQQ-YLVRASYLEIYQEEIRDLLSKEPGKRLELKENPETGVYIKDLSSFVTKNVKEIEHVMNLGNQTRAVGSTHMNEVSSRSHAIFIITVECSE-----------RGSDGQDHIRVGKLNLVDLAGSERQNKAGPNTAGGAATP--SSGGGGGGGGSGGGAGGERPKEASKINLSLSALGNVIAALAGNRSTHIPYRDSKLTRLLQDSLGGNAKTIMVATLGPASHSYDESLSTLRFANRAKNIKNKPRVN  HsKIF3C
CeKLP11   KQETVKVIVRCRPLSSQEIANNYSKIVHMRPQRGQIELKNPK----------------EQDEPSKDFTFDAIYDENS--------TQSDLYEETFRDLVDSVLNGYNATIFAYGQTGTGKTHTMEGKSSDPEQRGVIYKCIDHIFEHMAASHNQE-YLVRASYLEIYQEELRDLLEAESNKKLEIKERPDGGVYVKDLTSKLTRTVGEIHEVMIRGNGHRSVGRTNMNEHSSRSHAIFIITVECSR-----------IGEDGESHITVGRLNLVDLAGSERQSKTG--------------------------ATGERFKEATKINLSLSALGNVISALVDAKSAHIPYRDSKLTRLLQDSLGGNSKT--------------ETLGTLRYANRAKNIKNQPKIN  CeKLP11
Dmklp68D  PNECVQVVVRCRPMSNRERSERSPEVVNVYPNRGVVELQNVV---------------DGNKEQRKVFTYDAAYDASA--------TQTTLYHEVVFPLVSSVLEGFNGCIFAYGQTGTGKTFTMEGVRGNDELMGIIPRTFEQIWLHINRTENFQ-FLVDVSYLEIYMEELRDLL-KPNSKHLEVRER-GSGVYVPNLHAINCKSVEDMIKVMQVGNKNRTVGFTNMNEHSSRSHAIFMIKIEMCD--------------TETNTIKVGKLNLIDLAGSERQSKTG--------------------------ASAERLKEASKINLALSSLGNVISALAESS-PHVPYRDSKLTRLLQDSLGGNSKTIMIANIGPSNYNYNETLTTLRYGSRAKSIQNQPIKN  Dmklp68D
CeOSM3    LELWVRNRGNCRKLYKVFWGTRGLLLGTRDGKALEIDEFLLGTRENVSKFPAIVGMTPNVGQVNLNAPDGAAKDFTFDGAYFMIRPGEQIYNDIVFPLVENVIEGYNGTVFAYGQTGSGKTFSMQGIETIPAQRGVIPRAFDHIFTATATTENVK-FLVHCSYLEIYNEEVRDLLGADNKQKLEIKEQPDRGVYVAGLSMHVCHDVPACKELMTRGFNNRHVGATLMNKDSSRSHSIFTVYVEGIT---------------ETGSIRMGKLNLVDLAGSERQSKTG--------------------------ATGDRLKEATKINLSLSALGNVISALVDGKSKHIPYRDSKLTRLLQDSLGGNTKTIMIACVSPSSDNYDETLSTLRYANRAKNIKNKPTIN  CeOSM3
CrFLA10   GSESVKVVVRCRPLNGKEKADGRSRIVDMDVDAGQVKVRNPK---------------ADASEPPKAFTFDQVYDWNC--------QQRDVFDITARPLIDSCIEGYNGTIFAYGQTGTGKSHTMEGKDEPPELRGLIPNTFRYVFEIIARDSGTKEFLVRSSYLEIYNEEVRDLLGKDHSKKMELKESPDRGVYVKDLSQFVCKNYEEMNKVLLAGKDNRQVGATLMNQDSSRSHSIFTITIECIEKLESAAAQKPGAKKDDSNHVRVGKLNLVDLAGSERQDKTG--------------------------ATGDRLKEGIKINLSLTALGNVISALVDGKSGHIPYRDSKLTRLLQDSLGGNTKTVMVANIGPADWNYDETMSTLRYANRAKNIQNKPKIN  CrFLA10
MmKIF3A   SCDNVKVVVRCRPLNEREKSMCYRQAVSVDEMRGTITVHKTD----------------SSNEPPKTFTFDTVFGPES--------KQLDVYNLTARPIIDSVLEGYNGTIFAYGQTGTGKTFTMEGVRAVPGLRGVIPNSFAHIFGHIAKAEGDTRFLVRVSYLEIYNEEVRDLLGKDQTQRLEVKERPDVGVYIKDLSAYVVNNADDMDRIMTLGHKNRSVGATNMNEHSSRSHAIFTITIECSE-----------KGVDGNMHVRMGKLHLVDLAGSERQAKTG--------------------------ATGQRLKEATKINLSLSTLGNVISALVDGKSTHVPYRNSKLTRLLQDSLGGNSKTMMCANIGPADYNYDETISTLRYANRAKNIKNKARIN  MmKIF3A
MmKIF3B   SSESVRVVVRCRPMNGKEKAASYDKVVDVDVKLGQVSVKNPK---------------GTSHEMPKTFTFDAVYDWNA--------KQFELYDETFRPLVDSVLQGFNGTIFAYGQTGTGKTYTMEGVRGDPEKRGVIPNSFDHIFTHISRSQNQQ-YLVRASYLEIYQEEIRDLLSKDQTKRLELKERPDTGVYVKDLSSFVTKSVKEIEHVMNVGNQNRSVGATNMNEHSSRSHAIFVITIECSE-----------VGLDGENHIRVGKLNLVDLAGSERQAKTG--------------------------AQGERLKEATKINLSLSALGNVISALVDGKSTHIPYRDSKLTRLLQDSLGGNAKTVMVANVGPASYNVEETLTTLRYANRAKNIKNKPRVN  MmKIF3B
MmKIF3C   ASEALKVVARCRPLSRKEEAAGHEQILTMDVKLGQVTLRNPR---------------AAPGELPKTFTFDAVYDASS--------KQADLYDETVRPLIDSVLQGFNGTVFAYGQTGTGKTYTMQGTWVEPELRGVIPNAFEHIFTHISRSQNQQ-YLVRASYLEIYQEEIRDLLSKEPGKRLELKENPETGVYIKDLSSFVTKNVKEIEHVMNLGNQARAVGSTHMNEVSSRSHAIFVITVECSE-----------RGSDGQDHIRVGKLNLVDLAGSERQNKAGPNAAGGPATQPTAGGGSGSGSASGSASSGERPKEASKINLSLSALGNVIAALAGNRSTHIPYRDSKLTRLLQDSLGGNAKTIMVATLGPASHSYDESLSTLRFANRAKNIKNKPRVN  MmKIF3C
RnKIF3C   ASEALKVVARCRPLSRKEEAAGHEQILTMDVKLGQVTLRNPR---------------AAPGELPKTFTFDAVYDASS--------KQADLYDETVRPLIDSVLQGFNGTVFAYGQTGTGKTYTMQGTWVEPELRGVIPNAFEHIFTHISRSQNQQ-YLVRASYLEIYQEEIRDLLSKEPGKRLELKENPETGVYIKDLSSFVTKNVKEIEHVMNLGNQARAVGSTHMNEVSSRSHAIFVITVECSE-----------RGSDGQDHIRVGKLNLVDLAGSERQNKAGPNTPGGPATQSTAGGGGGGGGTSGSGSSGERPKEASKINLSLSALGNVIAALAGNRSTHIPYRDSKLTRLLQDSLGGNAKTIMVATLGPASHSYDESLSTLRFANRAKNIKNKPRVN  RnKIF3C
SpKRP85   GNDNVRVVVRCRPLNSKETGQGFKSVVKMDEMRGTVQVTNPN---------------APSGEPPKSFTFDTVFAPGA--------KQTDVYNQTARPIVDAIIEGYNGTIFAYGQTGTGKTFTMEGVRSQPELRGIIPNSFAHIFGHIAKEQENVRFLVRVSYLEIYNEEVKDLLGKDQQHRLEVKERPDVGVYVKDLSAFVVNNADDMDRIMTLGNKNRSVGATNMNESSSRSHAIFTITLERSD-----------MGLDKEQHVRVGKLHMVDLAGSERQTKTG--------------------------ATGQRLKEATKINLSLSTLGNVISSLVDGKSTHIPYRNSKLTRLLQDSLGGNAKTVMCANIGPAEYNYDETISTLRYANRAKNIKNKAKIN  SpKRP85
SpKRP95   SAETVKVVVRCRPMNSKEISQGHKRIVEMDNKRGLVEVTNPK---------------GPPGEPNKSFTFDTVYDWNS--------KQIDLYDETFRSLVESVLQGFNGTIFAYGQTGTGKTFTMEGVRSNPELRGVIPNSFEHIFTHIARTQNQQ-FLVRASYLEIYQEEIRDLLAKDK-KRLDLKERPDTGVYVKDLSSFVTKSVKEIEHVMTVGNNNRSVGSTNMNEHSSRSHAIFIITIECSE-----------LGVDGENHIRVGKLNLVDLAGSERQAKTG--------------------------ATGDRLKEATKINLSLSALGNVISALVDGKSSHIPYRDSKLTRLLQDSLGGNAKTVMVANMGPASYNFDETITTLRYANRAKNIKNKPKIN  SpKRP95
TtKin1    NDECVKVVVRCRPLNSKEKEDGRTQVVFVNQSRGEISVTNPK---------------GDSAEAPKVFTFDSTFEPEV--------EQETVYKNTAYPIVESVLEGYNGTIFAYGQTGTGKTHTMEGKDEPKHLRGIIPRTFDHIFRSIKGTPNVQ-FLVRVSFLELYNEEIRDLLQKNI-KKLELREKPGSGVYVKDLSTFMIQDQEELREKLLHGRENRAVGATQMNQDSSRSHSIFGITIERCD------------IVNGESHIRVGKLNLVDLAGSERQSKTQ--------------------------ATGSRLKEAININQSLTTLGNVISSLIDPKATHVPYRDSKLTRLLQDSLGGNTKTVMVANVGPADFT-MMNYSTLRYAHRAKSIQNHAKIN  TtKin1
TtKin2    NSECFKVAVRCRPLNNDEIQNERSSVVSVNPQRGEIQIKQKH----------------DQAEQHRIFAFDQVFEPDI--------QQEVVYKCIAYPIVESVLEGYNGTIFAYGQTGTGKTHTIQGRNEPINERGIIPRAFEHIFHSIKGSPNTQ-FLVHVSFLELYNEEIQDLLSTKN-KKLELREKAETGVFVKDLTSFLVQNEQELNDKFQQGILNRKVGQTKMSSCSSRSHSILSVTIERCD------------VVNGENHIKVGKLNLVDLAGSERQSKTQ--------------------------ATGSRFKEGVYINLSLTTLGNVISSLIDPKASHIPYRDSKLTRILQDSLGGNTKTVMIANIGPADYNQDETISTLRYAHRAKSIQNHAQIN  TtKin2
XlKlp3    SSESVRVVVRCRPMNSKELAAGYERVVDVDVKLGQVSVKVHK---------------GATNELSKTFTFVATYDSNS--------NEVELYVETFRPLVDSVLLGLNGTIFATGQTGTGKTYTMEGVRGDPEKRGVIPNSFEHIFTHISRSQNQQ-YLVRASYLEIYQEEIRDLLSKDQSKRLELKERPDIGVYVKDLSSFVTKSVKEIEHVMNVGNQNRSVGATNMNEHSSRSHAIFMITIECSQ-----------IGLDGENHIRVGKLNLVDLAGSERQTKTG--------------------------AQGERLKEATKINLSLSALGNVISALVDGRSTHIPYRDSKLTRLLQDSLGGNAKTVMVANIGPASYNVEETLTTLRYSNRAKNIKNKPRVN  XlKlp3

If you use diagrams, trees, or sequence alignments from the Kinesin site, we ask that you cite either the home page and authors, or the appropriate source publication in your work.

Copyright 1996-2005. All rights reserved.

Created 16 July 1996 00:00 GMT
Modified 25 January 2005 7:20 GMT