Where is "the grace of our Lord Jesus Christ `is' with you! Amen." found in the Bible?

This verse is found in 1 Thessalonians, chapter 5, verse 28 of the Young's Literal Translation (YLT) Bible translation.

1 Thessalonians 5:28 (YLT) - Bible Verse

the grace of our Lord Jesus Christ `is' with you! Amen.

And Moses said, I will turn aside now, and see this great sight, why the bush is not burnt.