1fiv

<table><tr><td colspan='2'>[[1fiv]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Fiv Fiv]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FIV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FIV FirstGlance]. <br>

</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACE:ACETYL+GROUP'>ACE</scene>, <scene name='pdbligand=ALN:NAPHTHALEN-2-YL-3-ALANINE'>ALN</scene>, <scene name='pdbligand=NH2:AMINO+GROUP'>NH2</scene>, <scene name='pdbligand=STA:STATINE'>STA</scene></td></tr>

<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/HIV-1_retropepsin HIV-1 retropepsin], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.23.16 3.4.23.16] </span></td></tr>

[[https://www.uniprot.org/uniprot/POL_FIVPE POL_FIVPE]] During replicative cycle of retroviruses, the reverse-transcribed viral DNA is integrated into the host chromosome by the viral integrase enzyme. RNase H activity is associated with the reverse transcriptase.

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== Publication Abstract from PubMed ==

The crystal structure of a recombinant form of the proteinase encoded by the feline immunodeficiency virus (FIV PR) has been solved at 2 A resolution and refined to an R-factor of 0.148. The refined structure includes a peptidomimetic, statine-based inhibitor, LP-149, which is an even more potent inhibitor of HIV PR. Kinetic parameters were obtained for the cleavage of five substrates by FIV PR, and inhibition constants were measured for four inhibitors. The structure of FIV PR resembles other related retroviral enzymes although few inhibitors of HIV PR are capable of inhibiting FIV PR. The structure of FIV PR will enhance our knowledge of this class of enzymes, and will direct testing of new proteinase inhibitors in a feline animal model.

Structure of an inhibitor complex of the proteinase from feline immunodeficiency virus.,Wlodawer A, Gustchina A, Reshetnikova L, Lubkowski J, Zdanov A, Hui KY, Angleton EL, Farmerie WG, Goodenow MM, Bhatt D, et al. Nat Struct Biol. 1995 Jun;2(6):480-8. PMID:7664111<ref>PMID:7664111</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>

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== References ==

<references/>

[[Category: Fiv]]

[[Category: HIV-1 retropepsin]]

[[Category: Gustchina, A]]

[[Category: Lubkowski, J]]

[[Category: Reshetnikova, L]]

[[Category: Wlodawer, A]]

[[Category: Zdanov, A]]

[[Category: Hydrolase-hydrolase inhibitor complex]]