Protein-building acid, informally Crossword Clue

We have the 5-letter answer for Protein-building acid, informally crossword clue, last seen in the NYT Crossword February 22, 2026 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Protein-building acid, informally Crossword Answer

↓71.

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Helpful Hints

(noun)
1. the radical -NH2
(adjective)
1. pertaining to or containing any of a group of organic compounds of nitrogen derived from ammonia

Hint 2: Clue Definitions

INFORMALLY (adverb)
1. with the use of colloquial expressions
BUILDING (noun)
1. the commercial activity involved in repairing old structures or constructing new ones
2. the act of constructing something

Hint 3: Anagram

Unscramble the letters below to solve for today's answer.
AMNIO

More NYT Crossword (2/22/2026) Answers

Across

1. Ease up

6. Setting for a landscape

12. Like pickles, but not cucumbers

18. Turn up

20. If all goes perfectly

21. Certain head jurors

23. Like some 401(k) contributions

24. The Ten Plagues

26. Freeze!

27. Bolo, e.g.

29. Farmyard call

30. Print-ready

31. Sodom and Gomorrah

37. Literary fairy queen

38. Outpouring of Pandora's box

39. Erelong

40. Part of T.G.I.F.: Abbr.

41. Singsong syllable

43. Season ticket holders, presumably

45. Shoofly desserts

46. Hopeless from the start, for short

48. Janis ___, "At Seventeen" singer

49. Samson and Delilah

55. Baseball Hall of Famer Mel

56. Fix

57. Calendar notation: Abbr.

58. Diamond stats

59. Certain trig functions

61. So-called "Hollywood of the South"

64. Big name in bubbly

65. Painter's medium

66. Noah's Ark

74. Nonclerical

75. Get the better of

76. Like Constantinople, in 1930

77. Interior style

80. Ballet bend

81. Europa, Ganymede or Callisto vis-à-vis Jupiter

83. The third

84. Ruckus

85. Garden of Eden?

91. "Scrumdiddlyumptious!"

92. Crew need

93. Get the ___ (finally become aware)

94. Ingredient in some gels

95. Designated H.M.O. doctor, in brief

96. Vintage film channel

98. Letters on a crucifix

99. Word with rabbit or all

101. Sully

103. Moses Parting the Red Sea

109. Rush uncontrolledly

111. Most common last name in Somalia

112. Pressure meas.

113. It's verboten

114. Jonah and the Whale

119. Title woman in a 1965 Beach Boys hit

121. Took turns

122. Brimless topper

123. One bringing home the bacon

124. Surprisingly enough

125. Bars, legally

126. Follows

All Answers

Down

1. Leader of the pack

2. 2006 mockumentary about a Kazakh journalist

3. High-speed travel option

4. Squealer's activity

5. H, to Hera

6. West Pointer

7. Thoroughly enjoyed, with "up"

8. Org. with the Nuggets and Nets

9. Screen

10. Rubbish receptacle

11. Weasel with a black-tipped tail

12. Where the coxswain sits

13. Unity

14. In a fury

15. Blue material?

16. Counterfeit

17. Whoop it up

19. Glorify

22. ___ Stark, "Game of Thrones" patriarch

25. Gullible sort

28. Hypotheticals

32. Besides

33. Part of a trunk

34. First-year law student, informally

35. ___ fan tutte

36. Mathematician Paul

42. ___ on a log (celery-stick snack studded with raisins)

43. Confidence

44. What may be right but not left?

45. New Yorkie, say

47. Delegate

49. Pull to open

50. Dilapidated

51. Moonfish

52. Yankees nickname until 2016

53. "My eye!"

54. Wielder of a red lightsaber

60. "Casablanca" role

62. Folk singer Guthrie

63. Approaching

64. 1964's Nobel Peace laureate, for short

65. Common bridge bid, informally

67. Spanish "she"

68. Kristen of "Bridesmaids"

69. Slushy brand

70. Press

72. Treat again, as a sprain

73. Actress Falco

77. Clammy

78. "Heeere's Johnny!" announcer

79. Measure against

80. Tree branch or power line, for a bird

81. One making an impression?

82. Woman honored in John Lennon's "Woman"

86. Where boaters hang with bowlers

87. Hyatt alternative

88. Spore-producing plant

89. Transport (around)

90. Castle in "Hamlet"

97. Heart of the matter

98. Subject for van Gogh

99. Aurora's counterpart in Greek mythology

100. Lit

102. Big name in movie theaters

104. First-year West Pointer

105. Olympic blades

106. "No man is an island" writer

107. Was over

108. Glides high

109. Middle: Abbr.

110. Noted Art Deco designer

115. Sponsored spots

116. Persian or Abyssinian

117. Enero a diciembre

118. Domino dot

120. "Yeah, right"

All Answers