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Furthermore, proline is rarely found in α and β structures as it would reduce the stability of such structures, because its side chain α-nitrogen can only form one nitrogen bond. Additionally, proline is the only amino acid that does not form a red-purple colour when developed by spraying with ninhydrin for uses in chromatography. Proline ...
Two pins are used for the mono headphone signal and two pins for the unbalanced microphone signal. The 4-pin XLR connector is also commonly used on amateur radio microphones, but transferring unbalanced audio instead, and using the 4th pin (with the common ground) for a push-to-talk (PTT) circuit activated by a button on the microphone.
The ProLinea was notorious for touching off a fierce price war in the personal computer market from its launch in June 1992. [4] [5] Under a directive from Compaq's recent CEO Eckhard Pfeiffer, the company originally sold lower-end models in the range for under US$900—a price that was virtually unheard of for brand-new desktops from a major computer vendor.
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A microphone, colloquially called a mic (/ m aɪ k /), [1] or mike, [a] is a transducer that converts sound into an electrical signal. Microphones are used in many applications such as telephones , hearing aids , public address systems for concert halls and public events, motion picture production, live and recorded audio engineering , sound ...
A number of accessories make microphone stands more useful. Most of these are designed to get the microphone closer to the user without placing the upright portion of the stand directly in front of the performer. A "boom arm" attaches to the top of the stand so the microphone can move in the horizontal plane. A guitar player, for example, might ...
Hydroxyproline and proline play key roles for collagen stability. [4] They permit the sharp twisting of the collagen helix. [5] In the canonical collagen Xaa-Yaa-Gly triad (where Xaa and Yaa are any amino acid), a proline occupying the Yaa position is hydroxylated to give a Xaa-Hyp-Gly sequence.
69017 Ensembl ENSG00000167371 ENSMUSG00000045114 UniProt Q7Z6L0 E9PUL5 RefSeq (mRNA) NM_001256442 NM_001256443 NM_145239 NM_001102563 RefSeq (protein) NP_001243371 NP_001243372 NP_660282 NP_001096033 Location (UCSC) Chr 16: 29.81 – 29.82 Mb Chr 7: 127.02 – 127.02 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Proline-rich transmembrane protein 2 is a protein that in humans is ...