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Table 1 List of antibodies and lectins used for immunolabeling

From: P-Rex2, a Rac-guanine nucleotide exchange factor, is expressed selectively in ribbon synaptic terminals of the mouse retina

Antigen

Immunogen

Host

Dilution

Source

Calbindin

Purified Calbindin from bovine kidney

mouse

1:300

Sigma, St Louis, MO (Catalog # C9848; clone CB-955)

GAD-65

Immunoaffinity purified GAD from rat brain

mouse

1:500

Developmental Studies Hybridoma Bank, U Iowa, (Catalog # GAD-6; clone GAD-6)

GlyT1

C-terminus peptide sequence from Rat GlyT1

goat

1:500

Chemicon, Temecula, CA (Catalog # AB1770)

MAP-1

Microtubules purified from rat brain

mouse

1:300

Sigma, St Louis, MO (Catalog # M4278; clone HM-1)

PKC

Human PKCα, aa. 270-427

mouse

1:100

B-D Transduction Labs, San Jose, CA (Catalog # 610107; clone 3/PKC)

PNA

— —

— —

1:20

Invitrogen-Molecular Probes, Carlsbad, CA (Catalog # L21409)

P-Rex2

Mouse P-Rex2, aa. 717-799

rabbit

1:1000

Dr. Heidi C.E. Welch, The Babraham Institute, Cambridge, England (affinity purified antiserum #78)

Synapto-tagmin 2

Zebrafish hindbrain membranes

mouse

1:200

Zebrafish International Resource Center, Eugene, OR (Catalog # znp-1; clone znp-1)

Syntaxin 1

Rat hippocampus synaptosomes

mouse

1:500

Sigma, St Louis, MO (Catalog # S0664; clone HPC-1)

VGluT1

Peptide, aa. 541–560 of rat VGluT1

guinea pig

1:1000–1:2000

Chemicon, Temecula, CA (Catalog # AB5905)

VGluT1

Peptide, aa. 493–560 of rat VGluT1

mouse

1:100–1:300

UC Davis/NIH NeuroMab Facility, Davis, CA (Catalog # 75–066; clone N28/9)