cystine

1. A white crystalline amino acid, C6H12N2O4S2, formed from the disulfide linkage of two cysteines during folding of many proteins, especially keratin, and stabilizing the tertiary structure of the protein.

2. A crystalline amino acid CHNOS that is widespread in proteins (as keratins) and is a major metabolic sulfur source.

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Top Words by points	Points	Word Game
cystein	12	Scrabble

2 Letters	Scrabble® Points
en	2
es	2
et	2
in	2
is	2
it	2
ne	2
si	2
te	2
ti	2
ye	5

3 Letters	Scrabble® Points
cis	5
ens	3
est	3
ice	5
icy	8
ins	3
its	3
net	3
nit	3
sec	5
sei	3
sen	3
set	3
sic	5
sin	3
sit	3
sty	6
syn	6
tec	5
ten	3
tes	3
tic	5
tie	3
tin	3
tis	3
tye	6
yen	6
yes	6
yet	6
yin	6

4 Letters	Scrabble® Points
cent	6
cine	6
cist	6
cite	6
city	9
cyst	9
etic	6
ices	6
nest	4
nets	4
nice	6
nite	4
nits	4
sect	6
sent	4
sice	6
sine	4
site	4
snit	4
snye	7
stey	7
stye	7
syce	9
sync	9
syne	7
tecs	6
tein	4
tens	4
tics	6
ties	4
tine	4
tins	4
tiny	7
tiyn	7
tyes	7
tyin	7
tyne	7
yens	7
yeti	7
yins	7

5 Letters	Scrabble® Points
cents	7
cesti	7
cines	7
cites	7
etics	7
inset	5
neist	5
nites	5
scent	7
senti	5
since	7
stein	5
teins	5
tines	5
tiyns	8
tynes	8
yetis	8
yince	10
tyins	8

6 Letters	Scrabble® Points
encyst	11
incest	8
insect	8
nicest	8
nicety	11

7 Letters	Scrabble® Points
cystein	12
cystine	12