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[ndofu]

15 d protein that is the chief constituent of stretchy tissue (7). I have E?E?T?N have I gone wrong somwhere and should it be elastan? many thanks

[ladyalex]

ELASTIN , I think...

[Davao]

Elastin. I have e-mailer for 19 across

[ndofu]

Thanks. I have E SELLER for 19 a. What do you think?

[kalahari12]

try e-tailer

[ndofu]

Many thanks Kalahari12 . e tailer is a new one on me and answers the clue better than e mailer. I don't send in my completed crosswords but it bugs me if I haven't got them right!

[kalahari12]

Ndofu I only struck upon e-tailer today as I thought e-mailer was a bit too obvious and was thinking "what else would you call an on-line retailer?" Then a bolt of light hit me! Happy to help as it bugs me as well when I can not finish them.