Structure of 1zkd: Difference between revisions

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   1ZKD:A  232/233  RDQG--GAALIIDYG
   1ZKD:A  232/233  RDQG--GAALIIDYG
   1IM8:A  157/155  ---NPNGVLVLSEKF
   1IM8:A  157/155  ---NPNGVLVLSEKF
[Image:Structure aling.JPG|Structure Alignment With 2ex4]





Revision as of 06:35, 29 May 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


[Image:Structure aling.JPG|Structure Alignment With 2ex4]








Ligang Binding Sites

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






Sequence

MIDQTALATEIKRLIKAAGPMPVWRYMELCLGHPEHGYYVTRDPLGREGDFTTSPEISQMFGELLGLWSASVWKAADEPQ TLRLIEIGPGRGTMMADALRALRVLPILYQSLSVHLVEINPVLRQKQQTLLAGIRNIHWHDSFEDVPEGPAVILANEYFD VLPIHQAIKRETGWHERVIEIGASGELVFGVAADPIPGFEALLPPLARLSPPGAVFEWRPDTEILKIASRVRDQGGAALI IDYGHLRSDVGDTFQAIASHSYADPLQHPGRADLTAHVDFDALGRAAESIGARAHGPVTQGAFLKRLGIETRALSLMAKA TPQVSEDIAGALQRLTGEGRGAMGSMFKVIGVSDPKIETLVALSDDTDREAERRQGTHGLEHHHHHH

1zkd















Information on 1zkd

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

Located on 17E3 on mouse chromosome with 436 aa

1zkd

Nearest match - 2ex4

 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


2nd nearest match - 1im8

Article on 1im8

 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

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

S-ADENOSYL-L-HOMOCYSTEINE - Structure that Identify Transferase

Left


DALI Results

SUMMARY: PDB/chain identifiers and structural alignment statistics

NR. STRID1 STRID2  Z   RMSD LALI LSEQ2 %IDE REVERS PERMUT NFRAG TOPO PROTEIN
 1: 3027-A 1zkd-A 56.8  0.0  349   349  100      0      0     1 S    STRUCTURAL GENOMICS, UNKNOWN FUNCTION    duf185  (rhodops
 2: 3027-A 2ex4-A 11.7  3.0  185   221   12      0      0    22 S    TRANSFERASE      adrenal gland protein ad-003    (homo sapien
 3: 3027-A 1im8-A 11.6  3.2  178   225   10      0      0    18 S    TRANSFERASE     yeco (methyltransferase, hypothetical pro
 4: 3027-A 2gb4-A 10.8  3.3  184   231   13      0      0    19 S    TRANSFERASE      thiopurine s-methyltransferase (thiopurine
 5: 3027-A 2fk7-A 10.7  3.8  186   277   14      0      0    19 S    TRANSFERASE      methoxy mycolic acid synthase 4         (mycobact
 6: 3027-A 2ob1-A 10.2  3.9  196   319    9      0      0    23 S    TRANSFERASE      leucine carboxyl methyltransferase 1 (prot
 7: 3027-A 2f8l-A 10.0  3.7  182   318    8      0      0    22 S    STRUCTURAL GENOMICS, UNKNOWN FUNCTION    hypothetical pro
 8: 3027-A 2avn-A 10.0  3.7  183   242   11      0      0    20 S    STRUCTURAL GENOMICS, UNKNOWN FUNCTION    ubiquinoneMENAQU
 9: 3027-A 2bzg-A  9.9  3.4  182   226   13      0      0    20 S    TRANSFERASE      thiopurine s-methyltransferase (thiopurine
10: 3027-A 2aot-A  9.8  4.3  182   285   13      0      0    23 S    TRANSFERASE      histamine n-methyltransferase (hmt)     (homo
11: 3027-A 2p8j-A  9.7  3.4  168   203   10      0      0    16 S    TRANSFERASE      s-adenosylmethionine-dependent methyltrans
12: 3027-A 1vl5-A  9.7  3.3  167   225    9      0      0    18 S    STRUCTURAL GENOMICS, UNKNOWN FUNCTION    unknown conserve
13: 3027-A 1hnn-A  9.7  3.4  183   261   13      0      0    18 S    TRANSFERASE     phenylethanolamine n-methyltransferase (p
14: 3027-A 1m6e-X  9.6  3.6  206   359    9      0      0    27 S    TRANSFERASE      s-adenosyl-l-methionnine:salicylic acid ca
15: 3027-A 2fay-A  9.5  3.9  178   274   14      0      0    21 S
16: 3027-A 2h00-A  9.2  2.9  158   225    9      0      0    18 S    TRANSFERASE      methyltransferase 10 domain containing pro
17: 3027-A 1wy7-A  9.2  3.1  155   195   13      0      0    15 S    TRANSFERASE      hypothetical protein ph1948     (pyrococcus h
18: 3027-A 1m6y-A  8.8  4.3  156   289   10      0      0    19 S    TRANSFERASE      s-adenosyl-methyltransferase mraw       (thermo
19: 3027-A 1i9g-A  8.7  3.0  149   264    9      0      0    15 S    TRANSFERASE     hypothetical protein rv2118c    (mycobacter
20: 3027-A 1zq9-A  8.6  3.2  144   278   16      0      0    19 S    TRANSFERASE      probable dimethyladenosine transferase (s-


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