Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Number of different proteins in the brain synapse | Human Homo sapiens | 1000 | Unitless | 104523 | Grant SG. The synapse... |
| Information speed arriving at- and transmitted from- synapse | Unspecified | arriving at synapse 32: transmitted from synapse 6.8 | bits/sec | 111651 | Harris JJ, Jolivet R... |
| Probability of release of vesicle at synapse | vertebrates | connections with a single release site ~0.7: with 4 release sites 0.25-0.4: ~10 release sites ~0.1 | unitless | 111652 | Harris JJ, Jolivet R... |
| Distance between parallel membranes in glutamatergic synapse | Unspecified | ~25 | nm | 112017 | O'Rourke NA, Weiler NC... |
| Number of ATP hydrolysed to transmit a bit at a chemical synapse | Blowfly Calliphora vicina | 10000 | Unitless | 103553 | Laughlin SB, de Ruyter... |
| Diameter of large nerve terminal in calyx of Held | Mammals | ~15 | μm | 111280 | Sudhof TC. The synaptic... |
| Proportion of synapses from different synaptic subtypes | Mouse Mus musculus | glutamatergic ~84%: GABAergic ~16% Table - link | % | 112025 | Micheva KD, Busse B,... |
| Number of ions that enter the postsynaptic terminal for each glutamate released | Eukaryotes | ~100 | ions/glutamate released | 108668 | Attwell D, Laughlin SB.... |
| Number of photoreceptors carrying the same signal that converge on a second order retinal neuron | Blowfly Calliphora vicina | 6 | Unitless | 103547 | Laughlin SB, de Ruyter... |
| Number of presynaptic calcium channels open for each vesicle that is released | Rat Rattus norvegicus | 60 | Unitless | 103550 | Borst, J.G.G. & Sakmann... |
| Summary of quantitative presynaptic data | Rodent | Table - link | N/A | 111725 | Schikorski T, Stevens... |
| Effective diffusion range of ERK [Extracellular signal-regulated kinase] in hippocampal dendrites | Rat Rattus norvegicus | ~30 | µm | 112207 | Panayotis N, Karpova A... |
| Fraction of recycling vesicles that were within the readily releasable pool | Rat Rattus norvegicus | 32 | % | 112034 | Waters, J. and Smith... |
| Typical synaptic cleft distance | Unspecified | 20-40 | nm | 100721 | http://faculty.washi... |
| Number of calcium ions required to release neurotransmitter vesicle at presynaptic cleft | vertebrates | 200-13,000 | Calcium ions/released vesicle | 103549 | Laughlin SB, de Ruyter... |
| Total vesicle population in each bouton in cultured hippocampal neurons | Mouse Mus musculus | 100 - 200 | vesicles | 112558 | Rizzoli SO, Betz WJ.... |
| Number of AMPA receptors opened by a single vesicle | Rat Rattus norvegicus | 10 - 70 | AMPA receptors | 111653 | Harris JJ, Jolivet R... |
| Duration of fast synaptic transmission | Squid | <=1 | ms | 102701 | Llinás R, Steinberg IZ... |
| Time required for the diffusion of the transmitter across the synaptic gap | Squid | 1 | µsec | 102702 | Llinás R, Steinberg IZ... |
| Number of synapses in a cubic millimeter of primary visual cortex (Area 17) | Macaque Macaca fascicularis | 266 (± 33 S.D.) | synapses/mm³ (×10⁶) | 112218 | O’Kusky, J., & Colonnier... |