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<Structure load='1te6' size='500' frame='true' align='right' caption='RSCB-Protein Data Bank: Crystal Structure of Human Neuron Specific Enolase at 1.8 angstrom' scene='Insert optional scene name here' />
<Structure load='1te6' size='500' frame='true' align='right' caption='RSCB-Protein Data Bank: Crystal Structure of Human Neuron Specific Enolase at 1.8 angstrom' scene='Insert optional scene name here' />
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Neuron Specific Enolase (NSE) is one of the five isozymes (isoenzyme) of the [[glycolysis]] enzyme [[enolase]]. An enolase falls under the category of [[lyase]], which is an enzyme that catalyzes the breaking of various chemical bonds by means other than hydrolysis and oxidation, often forming a new double bond or a new ring structure.<ref name="enolase">http://en.wikipedia.org/wiki/Enolase</ref> It is also known as a metalloenzyme, which means it contains a metal ion bound to the protein with one labile coordination site.<ref>http://en.wikipedia.org/wiki/Metalloenzyme#Metalloenzymes</ref>[[Image:Lobster Enolase .jpg|left|thumb|'''Biological Assembly Image for 1PDY''' Enolase <ref>X-RAY STRUCTURE AND CATALYTIC MECHANISM OF LOBSTER ENOLASE: http://www.rcsb.org/pdb/explore/explore.do?structureId=1PDY</ref>]]
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Neuron Specific Enolase (NSE) is one of the five isozymes (isoenzyme) of the [[glycolysis]] enzyme [[enolase]]. An enolase falls under the category of [[lyase]], which is an enzyme that catalyzes the breaking of various chemical bonds by means other than hydrolysis and oxidation, often forming a new double bond or a new ring structure.<ref name="enolase">http://en.wikipedia.org/wiki/Enolase</ref> It is also known as a metalloenzyme, which means it contains a metal ion bound to the protein with one labile coordination site.<ref>http://en.wikipedia.org/wiki/Metalloenzyme#Metalloenzymes</ref>[[Image:Lobster Enolase .jpg|left|thumb|'''Biological Assembly Image for 1PDY''' Enolase <ref>X-RAY STRUCTURE AND CATALYTIC MECHANISM OF LOBSTER ENOLASE: http://www.rcsb.org/pdb/explore/explore.do?structureId=1PDY</ref>]] Enolase is present in all tissues and organisms capable of glycolysis or fermentation.<ref name="enolase" />
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Enolase has three subunits; α, β, and γ. You usually only find all three subunits in vertebrates. Enolase α is ubiquitous, found in all cells. Enolase β is muscle-specific and the γ isozyme is found only in neurons.<ref>Stopped-flow studies of the reaction of d-tartronate semialdehyde-2-phosphate with human neuronal enolase and yeast enolase 1: http://www.sciencedirect.com.prox.lib.ncsu.edu/science/article/pii/S0014579310000657</ref>The subunits can combine in pairs (αα, αβ, αγ, ββ, and γγ) and form the five different isozymes of enolase. It is more common to find the homodimers (αα, ββ, and γγ) in adult human cells, but enolase is present in all tissues and organisms capable of glycolysis or fermentation.<ref name="enolase" />
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Enolase has three subunits; α, β, and γ. You usually only find all three subunits in vertebrates. Enolase α is ubiquitous, found in all cells. Enolase β is muscle-specific and the γ isozyme is found only in neurons.<ref>Stopped-flow studies of the reaction of d-tartronate semialdehyde-2-phosphate with human neuronal enolase and yeast enolase 1: http://www.sciencedirect.com.prox.lib.ncsu.edu/science/article/pii/S0014579310000657</ref> The subunits can combine in pairs (αα, αβ, αγ, ββ, and γγ) and form the five different isozymes of enolase. It is more common to find the homodimers (αα, ββ, and γγ) in adult human cells, but
==Structure==
==Structure==

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Contents

Neuron Specific Enolase (Enolase 2)

Introduction

RSCB-Protein Data Bank: Crystal Structure of Human Neuron Specific Enolase at 1.8 angstrom

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Neuron Specific Enolase (NSE) is one of the five isozymes (isoenzyme) of the glycolysis enzyme enolase. An enolase falls under the category of lyase, which is an enzyme that catalyzes the breaking of various chemical bonds by means other than hydrolysis and oxidation, often forming a new double bond or a new ring structure.[1] It is also known as a metalloenzyme, which means it contains a metal ion bound to the protein with one labile coordination site.[2]
Biological Assembly Image for 1PDY Enolase
Biological Assembly Image for 1PDY Enolase [3]
Enolase is present in all tissues and organisms capable of glycolysis or fermentation.[1]

Enolase has three subunits; α, β, and γ. You usually only find all three subunits in vertebrates. Enolase α is ubiquitous, found in all cells. Enolase β is muscle-specific and the γ isozyme is found only in neurons.[4] The subunits can combine in pairs (αα, αβ, αγ, ββ, and γγ) and form the five different isozymes of enolase. It is more common to find the homodimers (αα, ββ, and γγ) in adult human cells, but

Structure

Biological Assembly Image for 1TE6 Enolase 2
Biological Assembly Image for 1TE6 Enolase 2 [5]

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Mechanism

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Medicine

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References

  1. 1.0 1.1 http://en.wikipedia.org/wiki/Enolase
  2. http://en.wikipedia.org/wiki/Metalloenzyme#Metalloenzymes
  3. X-RAY STRUCTURE AND CATALYTIC MECHANISM OF LOBSTER ENOLASE: http://www.rcsb.org/pdb/explore/explore.do?structureId=1PDY
  4. Stopped-flow studies of the reaction of d-tartronate semialdehyde-2-phosphate with human neuronal enolase and yeast enolase 1: http://www.sciencedirect.com.prox.lib.ncsu.edu/science/article/pii/S0014579310000657
  5. Crystal Structure of Human Neuron Specific Enolase at 1.8 angstrom: http://www.rcsb.org/pdb/explore/explore.do?structureId=1te6
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