Ok, for the question about how to find the genotype on 23andme. It appears that the super duper new v4 23andme genechip does not have rs1129844, while the model T driving on the country lanes v3 genechip does.
One possible workaround for a no call would be to use the url below. This would impute your genotype for rs1129844.
Below is the output for rs1129844.
So, rs17735961 should be a perfect proxy for rs1129844.
rs3091237 is also on my genechip though it is not a perfect proxy.
My readouts for the two SNPs correspond correctly.
I think I am on v3, so i am not sure whether v4 has rs17735961.
Can anyone verify whether v4 has rs17735961?
SNP Proxy Distance RSquared DPrime Arrays Chromosome Coordinate_HG18
rs1129844 WARNING Query snp not on any selected array
rs1129844 rs17735961 554 1.000 1.000 I2,I5,I6,I6Q,IM,IMD,CYT,OQ,AxM,IWQ,OE,O24,O28,O54,O5E,OEE chr17 29636453
rs1129844 rs3091324 11978 1.000 1.000 AN,A5,A6 chr17 29625029
rs1129844 rs3091237 15091 0.938 1.000 I3,I5,I6,I6Q,IM,IMD,IC,ICQ,OQ,IWQ,OE,O24,O28,O54,O5E,OEE chr17 29621916
rs1129844 rs2368467 18048 0.938 1.000 ICA,ICB chr17 29655055
rs1129844 rs12601112 80999 0.878 0.937 A6,AxM chr17 29556008http://www.broadinstitute.org/mpg/snap/ldsearch.php