Histidin: Razlika med redakcijama

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{{chembox
| verifiedrevid = 443858318
| Name = <small>L</small>-Histidin
| ImageFileL1_Ref = {{chemboximage|correct|??}}
| ImageFileL1 = Histidin - Histidine.svg
| ImageFileR1 = L-histidine-zwitterion-from-xtal-1993-3D-balls-B.png
| IUPACName = Histidin
| OtherNames = 2-amino-3-(1''H''-imidazol-4-il)propanojska kislina
| Section1 = {{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 6038
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 4QD397987E
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = D00032
| InChI = 1/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
| InChIKey = HNDVDQJCIGZPNO-YFKPBYRVBM
| ChEMBL_Ref = {{ebicite|correct|EBI}}
| ChEMBL = 17962
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = HNDVDQJCIGZPNO-YFKPBYRVSA-N
| CASNo = 71-00-1
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 773
| DrugBank_Ref = {{drugbankcite|correct|drugbank}}
| DrugBank = DB00117
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 57595
| SMILES = O=C(O)[C@@H](N)Cc1cncn1
}}
| Section2 = {{Chembox Properties
| C=6 | H=9 | N=3 | O=2
| Appearance =
| Density =
| MeltingPt =
| BoilingPt =
| Solubility = 4,19g/100g pri 25&nbsp;°C <ref>http://prowl.rockefeller.edu/aainfo/solub.htm</ref>
}}
| Section3 = {{Chembox Hazards
| NFPA-H = 1
| NFPA-F = 1
| NFPA-R = 0
| MainHazards =
| FlashPt =
| Autoignition = }}
}}
'''Histidin''' (okrajšano kot '''His''' ali '''H''')<ref> IUPAC-IUBMB Joint Commission on Biochemical Nomenclature. [http://www.chem.qmul.ac.uk/iupac/AminoAcid/ ''Nomenclature and Symbolism for Amino Acids and Peptides''].Recommendations on Organic & Biochemical Nomenclature, Symbols & Terminology etc. Pridobljeno 17. maja 2007.</ref> je α-[[aminokislina]] z [[imidazol]]no funkcionalno skupino. Je ena od 23 proteinogenih aminokislin. Njena [[genetski kod#DNK kodoni|kodona]] sta CAU in CAC. Prvi jo je izoliral nemški zdravnik Albrecht Kossel leta 1896. Spada med človekove in živalske esencialne aminokisline, čeprav se je na začetku domnevalo, da to velja samo za dojenčke.<ref>J.D. Kopple,M.E. Swendseid (1975). [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC301830/ ''Evidence that histidine is an essential amino acid in normal and chronically uremic man'']. Journal of Clinical Investigation '''55''' (5): 881–891. doi: 10.1172/JCI108016. PMC 301830. PMID 1123426.</ref>
'''Histidin''' (okrajšano kot '''His''' ali '''H''')<ref> IUPAC-IUBMB Joint Commission on Biochemical Nomenclature. [http://www.chem.qmul.ac.uk/iupac/AminoAcid/ ''Nomenclature and Symbolism for Amino Acids and Peptides''].Recommendations on Organic & Biochemical Nomenclature, Symbols & Terminology etc. Pridobljeno 17. maja 2007.</ref> je α-[[aminokislina]] z [[imidazol]]no funkcionalno skupino. Je ena od 23 proteinogenih aminokislin. Njena [[genetski kod#DNK kodoni|kodona]] sta CAU in CAC. Prvi jo je izoliral nemški zdravnik Albrecht Kossel leta 1896. Spada med človekove in živalske esencialne aminokisline, čeprav se je na začetku domnevalo, da to velja samo za dojenčke.<ref>J.D. Kopple,M.E. Swendseid (1975). [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC301830/ ''Evidence that histidine is an essential amino acid in normal and chronically uremic man'']. Journal of Clinical Investigation '''55''' (5): 881–891. doi: 10.1172/JCI108016. PMC 301830. PMID 1123426.</ref>



Redakcija: 14:42, 5. december 2014

L-Histidin
Imena
IUPAC ime
Histidin
Druga imena
2-amino-3-(1H-imidazol-4-il)propanojska kislina
Identifikatorji
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.000.678
KEGG
UNII
  • InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
    Key: HNDVDQJCIGZPNO-YFKPBYRVSA-N
  • InChI=1/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
    Key: HNDVDQJCIGZPNO-YFKPBYRVBM
  • O=C(O)[C@@H](N)Cc1cncn1
Lastnosti
C6H9N3O2
Molska masa 155,16 g·mol−1
4,19g/100g pri 25 °C [1]
Nevarnosti
NFPA 704 (diamant ognja)
NFPA 704 four-colored diamondFlammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilHealth code 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
1
0
Če ni navedeno drugače, podatki veljajo za material v standardnem stanju pri 25 °C, 100 kPa).
Sklici infopolja

Histidin (okrajšano kot His ali H)[2] je α-aminokislina z imidazolno funkcionalno skupino. Je ena od 23 proteinogenih aminokislin. Njena kodona sta CAU in CAC. Prvi jo je izoliral nemški zdravnik Albrecht Kossel leta 1896. Spada med človekove in živalske esencialne aminokisline, čeprav se je na začetku domnevalo, da to velja samo za dojenčke.[3]

Sklici

  1. http://prowl.rockefeller.edu/aainfo/solub.htm
  2. IUPAC-IUBMB Joint Commission on Biochemical Nomenclature. Nomenclature and Symbolism for Amino Acids and Peptides.Recommendations on Organic & Biochemical Nomenclature, Symbols & Terminology etc. Pridobljeno 17. maja 2007.
  3. J.D. Kopple,M.E. Swendseid (1975). Evidence that histidine is an essential amino acid in normal and chronically uremic man. Journal of Clinical Investigation 55 (5): 881–891. doi: 10.1172/JCI108016. PMC 301830. PMID 1123426.