EiweiBstoffe und ihre Bausteine. 343 
  
  
  
COOH COOH 
| 1 
d | | 
A 
N | 
Ho! S c——— 6. CH, Ho NOCH, 
| | LI 4 
7 N | ; | 1 
CH CH 
1-z-Amino-P-indol-propionsáure l-z-Amino-£-ox y-indol-propion- 
—]-Tryptophan. sü&ure —l-Oxy-tryptophan. 
COOH 
NH—CH NH,.C.H 
| 
HC / 
x | 
N——C— CH, 
1-z-Amino-92-imidazolyl-propionsüure — I-Histidin. 
H, C—— CH, HO . HG—CH, 
H. c. CHL. COOH H, C. CH. COOH 
NH NH 
1-«-Pyrrolidinkarbon- l-y- Ox y-«-pyrrolidin- 
säure = 1-Prolin karbonsüure — l-Oxyprolin. 
COOH 
| 
COOH CH, 
| | 
CH, CH, 
| | 
CH . NH, CH . NH, 
| | 
COOH COOH 
l-Aminobernsteinsáüure d-Aminoglutarsáure 
—-Asparaginsüure — d-Glutaminsäure. 
COOH RS 
| H, C—CH, 
CH, | | 
| OC CH.COOH 
CH. OH A 
| NH 
CH . NH, 
| Pyrrolidonkarbon- 
COOH säure. 
B-Oxy-glutaminsäure ay