Structure of 1zkd: Difference between revisions

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Result from [[DALI]] shows proteins that are similar to the [http://www.rcsb.org/pdb/explore/explore.do?structureId=1ZKD 1zkd]. They are [http://www.rcsb.org/pdb/explore/explore.do?structureId=2EX4 2ex4] and [http://www.rcsb.org/pdb/explore/explore.do?structureId=1IM8 1im8]. These 2 proteins matches [http://www.rcsb.org/pdb/explore/explore.do?structureId=1ZKD 1zkd] the most according to [[DALI]]. The pictures below shows the structures of the proteins related comparing to 1zkd.
Result from [[DALI]] shows proteins that are similar to the [http://www.rcsb.org/pdb/explore/explore.do?structureId=1ZKD 1zkd]. They are [http://www.rcsb.org/pdb/explore/explore.do?structureId=2EX4 2ex4] and [http://www.rcsb.org/pdb/explore/explore.do?structureId=1IM8 1im8]. These 2 proteins matches [http://www.rcsb.org/pdb/explore/explore.do?structureId=1ZKD 1zkd] the most according to [[DALI]]. The pictures below shows the structures of the proteins related comparing to 1zkd.


[[Image:1zkd asym r 250.jpg|thumb|1zkd|left]]
[[Image:1zkd jmol.JPG|1zkd|left]]


[[Image:2ex4 asym r 250.jpg|thumb|2ex4|left]]
[[Image:2ex4 asym r 250.jpg|thumb|2ex4|left]]

Revision as of 06:08, 5 June 2007

Result from DALI shows proteins that are similar to the 1zkd. They are 2ex4 and 1im8. These 2 proteins matches 1zkd the most according to DALI. The pictures below shows the structures of the proteins related comparing to 1zkd.

1zkd
2ex4
1im8
1im8

















With these informations we can now look into the proteins that is similar to 1zkd and predict the functions. 1im8 is found to be a methyltransferase with a bound S-adenosylhomocysteine from the crystal structure of YecO from Haemophilus influenzae (HI0319). 2ex4is a human methyltransferase with S-adenosylhomocysteine.

 Alignment with 2ex4
 1ZKD:A   24/25    WRYXELCLGHPEHGYYV--TRDPLGREGDFTTSPEISQXFGELLGLWSASVWKAAD-EPQ
 2EX4:A   24/7     IEDEKQFYS----KAKTYWKQIPPTVDGMLGGYGHISSIDINSSRKFLQRFLREGPNKTG
 1ZKD:A   81/82    TLRLIEIGPGRGTXXADALRALRVLPILYQSLSVHLVEINPVLRQKQQTLLAGI-RNIHW
 2EX4:A   80/64    TSCALDCGAGIGRITKRLLLPL--------FREVDMVDITEDFLVQAKTYLGEEGKRVRN
 1ZKD:A  140/141   HD-----SFEDVPEGPAVILANEYFDVLPIHQAIKRETGWHERVIEIGASGELVFGVAAD
 2EX4:A  132/116   YFCCGLQDFTPEPDSYDVIWIQWVIGHLT-------------------------------
 1ZKD:A  195/196   PIPGFEALLPPLARLSPPGAVFEWRP--DTEILKIASRVRDQGGAALIIDYG--HLRSDV
 2EX4:A  161/145   ------------------------DQHLAEFLRRCKGSL-RPNGIIVIKDNMAQE-----
 1ZKD:A  251/252   GDTFQAIASHSYADPLQHPGRADLTAHV---DFDALGRAAESIGARAHGPVTQG
 2EX4:A  191/175   GVILDD---------------VDSSVCRDLDVVRRIICSAG---LSLLAEERQE


 Alignment with 1im8
 1ZKD:A   59/60    QXFGELLGLWSASVWKAADEPQTLRLIEIGPGRGTXXADALRALRVLPILYQSLSVHLVE
 1IM8:A   42/40    SNIITAIGXLAERFV-----TADSNVYDLGCSRGAATLSARRNI-----NQPNVKIIGID
 1ZKD:A  119/120   INPVLRQKQQTLLAGI---RNIHWHD--SFEDVPEGPAVILANEYFDVLPIHQAIKRETG
 1IM8:A   92/90    NSQPXVERCRQHIAAYHSEIPVEILCNDIRHVEIKNASXVILNFTLQFLP----------
 1ZKD:A  174/175   WHERVIEIGASGELVFGVAADPIPGFEALLPPLARLSPPGAVFEWRP--DTEILKIASRV
 1IM8:A  142/140   ---------------------------------------------PEDRIALLTKIYEGL
 1ZKD:A  232/233   RDQG--GAALIIDYG
 1IM8:A  157/155   ---NPNGVLVLSEKF


Structure Alignment With 2ex4
Structure Alignment with 1im8













Ligang Binding Sites

S-ADENOSYL-L-HOMOCYSTEINEis found on the 2 methyltranferases.






Sequence

MIDQTALATEIKRLIKAAGPMPVWRYMELCLGHPEHGYYVTRDPLGREGDFTTSPEISQMFGELLGLWSASVWKAADEPQ TLRLIEIGPGRGTMMADALRALRVLPILYQSLSVHLVEINPVLRQKQQTLLAGIRNIHWHDSFEDVPEGPAVILANEYFD VLPIHQAIKRETGWHERVIEIGASGELVFGVAADPIPGFEALLPPLARLSPPGAVFEWRPDTEILKIASRVRDQGGAALI IDYGHLRSDVGDTFQAIASHSYADPLQHPGRADLTAHVDFDALGRAAESIGARAHGPVTQGAFLKRLGIETRALSLMAKA TPQVSEDIAGALQRLTGEGRGAMGSMFKVIGVSDPKIETLVALSDDTDREAERRQGTHGLEHHHHHH















Information on 1zkd

Located on 2p22.2 on human chromosome with 441 aa

Located on 17E3 on mouse chromosome with 436 aa

Article on 1im8

Most probably a methyltransferase as most of the matches from DALI are transferase

Left

Left


Pfam Results

DUF185: domain 1 of 1, from 64 to 299: score 227.1, E = 3.9e-65

                  *->alArwllveykllgyPYadlnlvElGaGrGtaielmsdlLryiarlv
                     +l++w + ++k+ ++P   l+l E+G+GrGt   +m+d+Lr+  r+ 
      query    64    LLGLWSASVWKAADEP-QTLRLIEIGPGRGT---MMADALRA-LRVL 105  
                  PdvyartryylvEiSprLaarQketLapkvaplGhdskveieatdlsglv
                  P +y+ ++++lvEi+p L+++Q++ La                 ++  ++
      query   106 PILYQSLSVHLVEINPVLRQKQQTLLA-----------------GIR-NI 137  
                  rWhdasileedPdgvptvliaNEVlDalPHDlvrfdkrgggwyErhVlvd
                   Whd s +e++P+g p v++aNE +D lP  +++ +kr+ gw+Er V ++
      query   138 HWHD-S-FEDVPEG-PAVILANEYFDVLP--IHQAIKRETGWHER-V-IE 180  
                  ldgdfrlvysqeldplaglaltlreaaldPVKstkklvpsalskllpkll
                    + ++lv+++++dp  g+                            ++l
      query   181 IGASGELVFGVAADPIPGFEAL------------------------LPPL 206  
                  ppaeevgygtEvYsParllellqalaerLpahrGrlLaiDYGhlaseyyh
                   +   +g+++E+  P    e+l+++ +  +  +G++L+iDYGhl+s    
      query   207 ARLSPPGAVFEW-RPDT--EILKIASRVRD-QGGAALIIDYGHLRSD--- 249  
                  prrksalaaemfngtllqayrqhahddpltnpssllVlyStvaqGlaDiT
                               g+++qa+  h + dpl +p            G+aD+T
      query   250 ------------VGDTFQAIASHSYADPLQHP------------GRADLT 275  
                  ahVDFtalaradqyqtaakaagdlkvlgvet<-*
                  ahVDF+al       +aa  +g + + g+ t   
      query   276 AHVDFDALG------RAAESIG-ARAHGPVT    299