Table 1.

Primary antibody sources, concentrations used, and validation information

Antibody name (clone/designation)Source/citationConcentrationValidation
TRPM1 (545H5)Ms monoclonal Agosto et al. (2014, 2018)5 μg/ml, tissue 2 μg/ml, cellsWB and IF of Trpm1 KO mouse retina (Agosto et al., 2014, 2018)
mGluR6 (366)Ms monoclonal Agosto et al. (2018); this study5 μg/mlIF of Grm6nob3 mouse retina (this study; Fig. 4)
Na+/K+ ATPase (H-300)Rb polyclonalSanta Cruz Biotechnology #sc-28800, RRID:AB_22900634 μg/mlExpected pattern of plasma membrane staining (Robillard et al., 2012; Han et al., 2013; Iwai-Takekoshi et al., 2016)
PKCαRb polyclonalCell Signaling #2056, RRID: AB_22842271:200WB of macrophages from PKCα KO mouse (Koh et al., 2017); characteristic labeling of rod BPCs in mouse retina (Lu et al., 2013; Ribic et al., 2014; this study; Fig. 1)
1D4 tagMs monoclonal Molday and MacKenzie (1983); Mackenzie et al. (1984); Hodges et al. (1988)1 μg/mlWB of rhodopsin KO mouse retina (Concepcion and Chen, 2010); specificity for recombinant tagged proteins (Wong et al., 2009; Agosto et al., 2014; Huynh et al., 2016)
HA tag (F-7)Ms monoclonalSanta Cruz Biotechnology, #sc-7392, RRID: AB_6278090.4 μg/mlSpecificity for recombinant tagged proteins (Zhao et al., 2017; Consalvi et al., 2017)
Ribeye A-domainRb polyclonalSynaptic Systems, #192-103, RRID: AB_20867751 μg/mlCorrect size band on WB of retina tissue, compared to other antibodies detecting ribeye (Hubler et al., 2012); characteristic labeling of synaptic ribbon (Regus-Leidig et al., 2010; Anastassov et al., 2017; this study; Fig. 4)
BiP/GRP78Rb polyclonalAbcam, #ab21685, RRID: AB_21198341 μg/mlColocalization with Sec61β in CHO cells and mouse retina, correct size band on WB of retina tissue (this study; Fig. 5)
GM130 (35/GM130) Ms monoclonalBD Biosciences, #610822, RRID: AB_3981412.5 μg/mlWB and IF of GM130 KO mouse testes (Han et al., 2017); IF of GM130 KO liver cells (Park et al., 2018)
Gαo (2A)Ms monoclonalMillipore, #MAB3073, RRID: AB_94671; Li et al. (1995)5 μg/mlCorrect size band on WB of bovine and rat brain membranes, specificity for Gαo vs. other Gα subunits (Li et al., 1995); widely used marker for ON-BPCs (Dhingra et al., 2002; Huang et al., 2003; Xu et al., 2012; Neuillé et al., 2015); similar staining pattern as another antibody validated by IF of Gαo KO retina (Dhingra et al., 2000)
Gβ3 (C-16)Rb polyclonalSanta Cruz Biotechnology, #sc-381, RRID: AB_21096185 μg/mlWB of Gβ3 KO mouse retina (Dhingra et al., 2012); IF of Gβ3 knockdown myocytes (Macrez et al., 1999); specific staining of ON-BPCs and cone outer segments (this study; Fig. 8), similar to another antibody validated by IF of Gβ3 KO retina (Dhingra et al., 2012)
Gγ13Rb polyclonalNovus, #NBP1-985725 μg/mlSimilar staining pattern as another antibody validated by IF of Gγ13 KO retina (Ramakrishnan et al., 2015)
  • Ms, mouse; Rb, rabbit; WB, western blotting; IF, immunofluorescence.