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 Proteinele
sunt componente de baza ale tuturor celulelor vii, alaturi de lipide, zaharide,
vitamine, enzime, apa si saruri anorganice, formand impreuna un sistem complex
in cadrul caruia se petrec o serie de reactii chimice care asigura
reproducerea, dezvoltarea si functionarea normala a fiintelor vii. 
Proteinele solubile sau globulare apar in celule in
stare dizolvata sau sub forma de geluri hidratate. Ele au insusiri fiziologice
specifice si se subimpart in albumine si globuline. 
  
  | 
 
  Nr. Crt. |  
  Formula de structura |  
  Denumire uzualaPrescurtari IUPAC |  
  Denumire rationala | 
 
| 
   |  
   |  
   |  
   | 
 
| 
   |  
  Aminoacizi cu radical nepolar |  
  (hidrofob) |  
   | 
 
| 
   |  
  CH2-COOHNH2 |  
  GlicinaGly, G |  
  acid a-aminoacetic | 
 
| 
   |  
  CH3-CH-COOHNH2 |  
  AlaninaAla, A |  
  acid a-aminopropionic | 
 
| 
   |  
  CH3-CH-CH-COOHCH3 NH2 |  
  ValinaVal, V |  
  acid a-aminoizovalerianic | 
 
| 
   |  
  CH3-CH-CH2-CH-COOHCH3 NH2 |  
  LeucinaLeu, L |  
  Acid a-aminoizocapronic | 
 
| 
   |  
  CH3-CH2-CH-CH-COOHCH3 NH2 |  
  IzoleucinaIle, I |  
  Acid a-amino-b-metil valerianic | 
 
| 
   |  
  C6H5-CH2-CH-COOHNH2 |  
  FenilalaninaPhe, F |  
  Acid b-fenil-a-amino propionic | 
 
| 
   |  
   |  
   |  
   | 
 
| 
   |  
  CH3-S-CH2-CH2-CH-COOHNH2 |  
  MetioninaMet, M |  
  Acid a-amino g-metiltiobutiric | 
 
| 
   |  
  Aminoacizi cu radical polar, |  
  neincarcat electric la |  
  pH | 
 
| 
   |  
  HO-CH2-CH-COOHNH2 |  
  SerinaSer, S |  
  Acid a-amino b-hidroxipropionic | 
 
| 
   |  
  CH3-CH-CH-COOHOH NH2 |  
  TreoninaThr, T |  
  Acid a-amino b-hidroxibutiric | 
 
| 
   |  
  HS-CH2-CH-COOHNH2 |  
  CisteinaCys, C |  
  Acid a-amino b-tiopropionic | 
 
| 
   |  
  HO-C6H4-CH2-CH-COOHNH2 |  
  TirosinaTyr, Y |  
  p-hidroxifenil alanina | 
 
| 
   |  
  H2NOC-CH2-CH-COOHNH2 |  
  AsparaginaAsn,N |  
  Acid a-amino b-amidosuccinic | 
 
| 
   |  
  H2NOC-CH2-CH2-CH-COOHNH2 |  
  GlutaminaGln, Q |  
  Acid a-amino g-amidoglutaric | 
 
| 
   |  
  Aminoacizi cu radical polar, incarcat |  
  negativ la pH |  
   | 
 
| 
   |  
  HOOC-CH2-CH-COOHNH2 |  
  Acid aspartic (asparagic), Asp,D |  
  Acid aminosuccinic | 
 
| 
   |  
  HOOC-CH2-CH2-CH-COOHNH2 |  
  Acid glutamicGlu, E |  
  Acid a-amino glutaric | 
 
| 
   |  
  Aminoacizi cu radical polar, incarcat |  
  pozitiv la pH=6 |  
   | 
 
| 
   |  
  CH2-CH2-CH2-CH2-CH-COOHNH2 NH2 |  
  LisinaLys,K |  
  Acid a e-diamino caproic | 
 
| 
   |  
  H2N-C-NH-CH2-CH2-CH2-CH-COOHNH NH2 |  
  ArgininaArg,R |  
  Acid a-aminod-guanidinovalerianic | 
 
| 
   |  
  N C-CH2-CH-COOHCH CH NH2NH |  
  HistidinaHis, H |  
  Acid a-amino b-imidazolil propionic | 
 
  Nr. crt. |  
  Formula de structura |  
  Denumire uzualaPrescurtari IUPAC |  
  Denumire rationala | 
 
| 
   |  
   |  
   |  
   | 
 
| 
   |  
  H2N-CH2-CH2-COOH |  
  b-alanina |  
  Acid b-amino propionic | 
 
| 
   |  
  H2N-CH2-CH2-CH2-COOH |  
  Acid g-aminobutiric |  
   | 
 
| 
   |  
  H2N-CH2-CO-CH2-CH2-COOH |  
  Acid aminolevulinic |  
   | 
 
| 
   |  
  H2N-CO-NH-(CH2)3-CH-COOHNH2 |  
  Citrulina |  
  Acid a-amino d-amidinovalerianic | 
 
| 
   |  
  H2N-(CH2)3-CH-COOHNH2 |  
  Ornitina |  
  Acid a d-diamino valerianic | 
 
| 
   |  
  HS-CH2-CH2-CH-COOHNH2 |  
  Homocistina |  
  Acid a-amino g-tiobutiric | 
 
| 
   |  
  HO-CH2-CH2-CH-COOHNH2 |  
  Homoserina |  
  Acid a-amino g-hidroxibutiric | 
 
| 
   |  
  H2N-C6H4-COOH |  
  Acid p-aminobenzoic |  
   | 
 
| 
   |  
  CH3-NH-CH2-COOH |  
  Sarcozina |  
  N-metil glicina | 
 
| 
   |  
  (CH3)3N+-CH2-COOH |  
  Betaina |  
   | 
 
| 
   |  
  H2N-C-NH-O-CH2-CH2-CH-COOHNH NH2 |  
  Canavanina |  
   | 
 
| 
   |  
  HOOC-CH-(CH2)2-S-CH2-CH-COOHNH2 NH2 |  
  Acid djencolic |  
   | 
 
| 
   |  
  N C-CH2-CH-COOHNH2 |  
  b-cianoalanina |  
   | 
 
  Nr.crt. |  
  Aminoacidul |  
  Forma dePrezentare |  
  p.t. |  
  pHi |  
  Rotatiaoptica |  
  MD |  
  SolubilitateaIn apa la pHi | 
 
| 
   |  
  Glicocol |  
  Monolitic |  
  233d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Alanina |  
  Rombic |  
  297d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Valina |  
  Foite |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Leucina |  
  Foite |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
   |  
   |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Izoleucina |  
  Placute |  
  280d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Serina |  
  Placute |  
  228d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Treonina |  
  Cristale |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Tirosina |  
  Ace |  
  314d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Fenilalanina |  
  Foite |  
  283d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Triptofan |  
  Placute |  
  293d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Acid aspartic |  
  Foite rombice |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Acid glutamic |  
  Rombic |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Glutamina |  
  Ace |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Asparagina |  
  Cristale |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Lisina |  
  Ace sau placi |  
  224d |  
   |  
   |  
   |  
  f. solubil | 
 
| 
   |  
  Arginina |  
  Foite, prisme |  
  238d |  
   |  
   |  
   |  
  f. solubil | 
 
| 
   |  
  Histidina |  
  Foite |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Cisteina |  
  Pulberecristalina |  
  260 |  
   |  
   |  
   |  
  f. solubil | 
 
| 
   |  
  Metionina |  
  Placute hexagonal |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Cistina |  
  Placute |  
  259d |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Prolina |  
  Ace |  
   |  
   |  
   |  
   |  
   | 
 
| 
   |  
  Hidroxiprolina |  
  Placute |  
   |  
   |  
   |  
   |  
   | 
 
| 
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