The Kinesin-1 Family

The Kinesin-1 (formerly KHC) family tree was found using the heuristic search method of PAUP v4.0b10 (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-1 proteins from humans and several model organisms. Kinesin-1 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

H. sapiens KHCx 109 ND ND
H. sapiens neuronal KHC 117 ND Cell body in cultured neurons Specific to neural tissue
H. sapiens KHC 110 ND Uniform in cultured neurons Ubiquitously expressed
D. melanogaster KHC 110 Plus, 54 µm/min Diffuse in cytoplasm Required for viability & neuromuscular function
C. elegans KHC (Unc-116) 92 ND ND Axonal transport of synaptic vesicles, also orients first mitotic spindle
D. discoideum K7 ND ND
L. pealii KHC 109 Plus, 30 µm/min Membranous vesicles
M. musculus KIF5a ND
M. musculus KIF5b ND ND Most similar to HsKHC (97% identity)
M. musculus KIF5c ND ND
 N. crassa KHC (NKin) 103 Plus, 120-180 µm/min ND High velocity of microtubule transport; no copurified light chains
N. haematocca Kin1 103 ND ND
S. pombe Klp3 ND ND
S. purpuratus KHC 118 ND ND
S. racemosum SyKin1 105 ND ND
U. maydis Kin2 107 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                
          '        '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '         '                  
HsxKHC    AECSIKVMCRFRPLNEAEILRGDKFIPKFK---GDETVVIG------QGKPYVFDRVLPPNTTQEQVYNACAKQIVKDVLEGYNGTIFAYGQTSSGKTHTMEGK-LHDPQLMGIIPRIAHDIFDHIYSMDENLE-----FHIKVSYFEIYLDKIRDLLDVSKTNLAVHEDKNRVPYVKGCTERFVSSPEEVMDVIDEGKANRHVAVTNMNEHSSRSHSIFLINIKQENVETEKKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALAEGTKTHVPYRDSKMTRILQDSLGGNCRTTIVICCSPSVFNEAETKSTLMFGQRAKTIKNTVSVN  HsxK
HsnKHC    NECSIKVLCRFRPLNQAEILRGDKFIPIFQ---GDDSVVIG-------GKPYVFDRVFPPNTTQEQVYHACAMQIVKDVLAGYNGTIFAYGQTSSGKTHTMEGK-LHDPQLMGIIPRIARDIFNHIYSMDENLE-----FHIKVSYFEIYLDKIRDLLDVTKTNLSVHEDKNRVPFVKGCTERFVSSPEEILDVIDEGKSNRHVAVTNMNEHSSRSHSIFLINIKQENMETEQKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALAEGTKSYVPYRDSKMTRILQDSLGGNCRTTMFICCSPSSYNDAETKSTLMFGQRAKTIKNTASVN  HsnKHC
HsKHC     AECNIKVMCRFRPLNESEVNRGDKYIAKFQ---GEDTVVIA-------SKPYAFDRVFQSSTSQEQVYNDCAKKIVKDVLEGYNGTIFAYGQTSSGKTHTMEGK-LHDPEGMGIIPRIVQDIFNYIYSMDENLE-----FHIKVSYFEIYLDKIRDLLDVSKTNLSVHEDKNRVPYVKGCTERFVCSPDEVMDTIDEGKSNRHVAVTNMNEHSSRSHSIFLINVKQENTQTEQKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALAEGS-TYVPYRDSKMTRILQDSLGGNCRTTIVICCSPSSYNESETKSTLLFGQRAKTIKNTVCVN  HsKHC
DmKHC     AEDSIKVVCRFRPLNDSEEKAGSKFVVKFPNNVEENCISIA-------GKVYLFDKVFKPNASQEKVYNEAAKSIVTDVLAGYNGTIFAYGQTSSGKTHTMEGV-IGDSVKQGIIPRIVNDIFNHIYAMEVNLE-----FHIKVSYYEIYMDKIRDLLDVSKVNLSVHEDKNRVPYVKGATERFVSSPEDVFEVIEEGKSNRHIAVTNMNEHSSRSHSVFLINVKQENLENQKKLSGKLYLVDLAGSEKVSKTGAEGTVLDEAKNINKSLSALGNVISALADGNKTHIPYRDSKLTRILQESLGGNARTTIVICCSPASFNESETKSTLDFGRRAKTVKNVVCVN  DmKHC
CeKHC     AECGVQVFCRIRPLNKTEEKNADRFLPKFP---SEDSISLG-------GKVYVFDKVFKPNTTQEQVYKGAAYHIVQDVLSGYNGTVFAYGQTSSGKTHTMEGV-IGDNGLSGIIPRIVADIFNHIYSMDENLQ-----FHIKVSYYEIYNEKIRDLLDPEKVNLSIHEDKNRVPYVKGATERFVGGPDEVLQAIEDGKSNRMVAVTNMNEHSSRSHSVFLITVKQEHQTTKKQLTGKLYLVDLAGSEKVSKTGAQGTVLEEAKNINKSLTALGIVISALAEGTKSHVPYRDSKLTRILQESLGGNSRTTVIICASPSHFNEAETKSTLLFGARAKTIKNVVQIN  CeKHC
DdK7      VSSNIRVVCRVRPLTELEKGRNEHSIVHFF---DSKSISIR-----ANGPQFTFDRIFGYQETQSQIFEDVAEPIVNDFLDGYHGTIIAYGQTASGKTFTMVGD----PDSHGIIPRVIESIFVGISKMREKDTSLSLAFCLKISALELYNEKLYDLYIASKSNLNIREHKQNGIYVEGISEIVITSIEEAYNFLNISNNNRAIASTKMSAASSRSHSVLMIELSQQNLSMESSKISKLFLVDLAGSDISHKTGAEGDRMQEAKNINLSLSALGKVINALTCGV-NYVPYRDSKLTRVLQDSLGGNSKTSLIINCSPSNNNEHETITTLQFGTRAKTIKNQPKIN  DdK7
LpKHC     SECNIKVICRVRPLNEAEERAGSKFILKFP---TDDSISIA-------GKVFVFDKVLKPNVSQEYVYNVGAKPIVADVLSGCNGTIFAYGQTSSGKTHTMEGV-LDKPSMHGIIPRIVQDIFNYIYGMDENLE-----FHIKISYYEIYLDKIRDLLDVTKTNLAVHEDKNRVPFVKGATERFVSSPEEVMEVIDEGKNNRHVAVTNMNEHSSRSHSVFLINVKQENVETQKKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALADGNKSHVPYRDSKLTRILQESLGGNARTTMVICCSPASYNESETKSTLLFGQRAKTIKNVVSVN  LpKHC
MmKIF5a   NECSIKVLCRFRPLNQAEILRGDKFIPIFQ---GDDSVIIG-------GKPYVFDRVFPPNTTQEQVYHACAMQIVKDVLAGYNGTIFAYGQTSSGKTHTMEGK-LHDPQLMGIIPRIARDIFNHIYSMDENLE-----FHIKVSYFEIYLDKIRDLLDVTKTNLSVHEDKNRVPFVKGCTERFVSSPEEILDVIDEGKSNRHVAVTNMNEHSSRSHSIFLINIKQENVETEQKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALAEGTKSYVPYRDTKMTRILQDSLGGNCRTTMFICCSPSSYNDAETKSTLMFGQRAKTIKNTASVN  MmKIF5a
MmKIF5b   AECNIKVMCRFRPLNESEVNRGDKYVAKFQ---GEDTVVIA-------SKPYAFDRVFQSSTSQEQVYNDCAKKIVKDVLEGYNGTIFAYGQTSSGKTHTMEGK-LHDPEGMGIIPRIVQDIFNYIYSMDENLE-----FHIKVSYFEIYLDKIRDLLDVSKTNLSVHEDKNRVPYVKGCTERFVCSPDEVMDTIDEGKSNRHVAVTNMNEHSSRSHSIFLINVKQENTQTEQKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALAEGS-TYVPYRDSKMTRILQDSLGGNCRTTIVICCSPSSYNESETKSTLLFGQRAKTIKNTVCVN  MmKIF5b
MmKIF5c   AECSIKVMCRFRPLNEAEILRGDKFIPKFK---GEETVVIG------QGKPYVFDRVLPPNTTQEQVYNACAKQIVKDVLEGYNGTIFAYGQTSSGKTHTMEGK-LHDPQLMGIIPRIAHDIFDHIYSMDENLE-----FHIKVSYFEIYLDKIRDLLDVSKTNLAVHEDKNRVPYVKGCTERFVSSPEEVMDVIDEGKANRHVAVTNMNEHSSRSHSIFLINIKQENVETEKKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALAEGTKTHVPYRDSKMTRILQDSLGGNCRTTIVICCSPSVFNEAETKSTLMFGQRAKTIKNTVSVN  MmKIF5c
NcKHC     SANSIKVVARFRPQNRVEIESGGQPIVTFQ---GPDTCTVD---SKEAQGSFTFDRVFDMSCKQSDIFDFSIKPTVDDILNGYNGTVFAYGQTGAGKSYTMMGTSIDDPDGRGVIPRIVEQIFTSILSSAANIE-----YTVRVSYMEIYMERIRDLLAPQNDNLPVHEEKNRGVYVKGLLEIYVSSVQEVYEVMRRGGNARAVAATNMNQESSRSHSIFVITITQKNVETGSAKSGQLFLVDLAGSEKVGKTGASGQTLEEAKKINKSLSALGMVINALTDGKSSHVPYRDSKLTRILQESLGGNSRTTLIINCSPSSYNDAETLSTLRFGMRAKSIKNKAKVN  NcKHC
NhKin1    SANSIKVVARFRPQNKVELASGGMPIVSFD---GEDTCSLD---SKEAQGSFTFDRVFDMACKQQDIFDFSIRSTVDDILNGYNGTVFAYGQTGAGKSYTMMGTNIDDDDGRGVIPRIVEQIFASIMSSPGTIE-----YTVRVSYMEIYMERIRDLLAPQNDNLPVHEEKNRGVYVKGLLEIYVSSVQEVYEVMRRGGNARAVAATNMNQESSRSHSIFVITITQKNVETGSAKSGQLFLVDLAGSEKVGKTGASGQTLEEAKKINKSLSALGMVINALTDGKSSHIPYRDSKLTRILQESLGGNSRTTLIINCSPSSYNDAETLSTLRFGLRAKSIKNKAKVN  NhKin1
SpoKlp3   -MTSIKVVCRIRPTNQLEQDLGGNNVIYPL--NDSTVHIET----SDYSGNFVFDRVFHPSSTLNDIFSYSIESTVDDLFLGYNGTVLAYGQTGSGKTYTMMGI-ENNFEKEGMTPRMLRRIFDKIRDSPSTTE-----YEVKVSYMEIYMEKIHDLLSEKNDRLTVHEDKLQGVYVQGLKTIYVSSETEALDILNKGMGSRAVASTSMNAQSSRSHSIFVLEVVQTDTESGETRRGRLFLVDLAGSESVGKSGAVGQTLEEAKKINRSLSTLGMVINSLTDSKLSHVPYRDSKLTRILKESLGGNSRTTLIINCSPDSYNATETLSTLRFGHRAKSIKNKAVVN  SpoKlp3
SpKHC     AECNIKVVCRVRPMNATEQNTSHICTKFI----SEEQVQIG-------GKLNMFDRIFKPNTTQEEVYNKAARQIVKDVLDGYNGTIFAYGQTSSGKTFTMEGV-MGNPQYMGIIPRIVQDIFNHIYQMDESLE-----FHIKVSYFEIYMDRIRDLLDVSKTNLSVHEDKNRVPFVKGATERFASSPEEVMDVIEEGKSNRHIAVTNMNEHSSRSHSIFLIQVKQENMETKKKLSGKLYLVDLAGSEKVSKTGAEGTVLDEAKNINKSLSALGNVISALADGKKSHIPYRDSKMTRILQESLGGNARTTIVICCSPSSFNESESKSTLMFGQRAKTIKNTVTVN  SpKHC
SyKin1    SGNNIKVVCRFRPQNSLEIREGGTPIIDID-PEGTQLELKG----KEFKGNFNFDKVFGMNTAQKDVFDYSIKTIVDDVTAGYNGTVFAYGQTGSGKTFTMMGADIDDEKTKGIIPRIVEQIFDSIMASPSNLE-----FTVKVSYMEIYMEKVRDLLNPSSENLPIHEDKTKGVYVKGLLEVYVGSTDEVYEVMRRGSNNRVVAYTNMNAESSRSHSIVMFTITQKNVDTGAAKSGKLYLVDLAGSEKVGKTGASGQTLEEAKKINKSLTALGMVINALTDGKSSHVPYRDSKLTRILQESLGGNSRTTLIINCSPSSYNEAETLSTLRFGARAKSIKNKAKVN  SyKin1
UmKin2    MSNNIKVVCRFRPPNAIEQREGSDIVVDFSDDGSLVKLTRGVSTSGPEAGGFVFDKVFPMNTMQRDVFEFGIKETVEDVLNGYNGTIFAYGQTGSGKTFTMMGSDIDNDNLKGIIPRITEQIFENIMASPPHLE-----YLVKVSYMEIYMEKIRDLLAPQNDNLQVHEEKNRGVYVKGLSDFYVGGQADVYEIMRQGGLARAVSSTNMNAESSRSHSIFLITIQQRNTETGSAKTGNLYLVDLAGSEKVGKTGASGQTLEEAKKINKSLSALGMVINALTDGKSSHIPYRDSKLTRILQESLGGNSRTTLIVNASPCVYNADETLSTLRFGVRAKSIKNKARVN  UmKin2

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 7:19 GMT