<?xml version="1.0" encoding="UTF-8"?>
<protein>
  <id type="integer">2412</id>
  <cancdbp-id>CDBP02411</cancdbp-id>
  <name>3 beta-hydroxysteroid dehydrogenase/Delta 5--&gt;4-isomerase type 1</name>
  <uniprot-id>P14060</uniprot-id>
  <uniprot-name>3BHS1_HUMAN</uniprot-name>
  <enzyme type="boolean">true</enzyme>
  <transporter type="boolean">false</transporter>
  <protein-type>Enzyme</protein-type>
  <organism>Homo_sapiens</organism>
  <gene-name>HSD3B1</gene-name>
  <num-residues type="integer">373</num-residues>
  <molecular-weight type="decimal">42251.25</molecular-weight>
  <theoretical-pi type="decimal">8.712</theoretical-pi>
  <general-function>Involved in 3-beta-hydroxy-delta5-steroid dehydrogenase activity</general-function>
  <specific-function>3-beta-HSD is a bifunctional enzyme, that catalyzes the oxidative conversion of Delta(5)-ene-3-beta-hydroxy steroid, and the oxidative conversion of ketosteroids. The 3-beta-HSD enzymatic system plays a crucial role in the biosynthesis of all classes of hormonal steroids. Efficiently catalyzes the transformation of pregnenolone to progesterone, 17-alpha-hydroxypregnenolone to 17-alpha-hydroxyprogesterone, DHEA to 4-androstenedione, dihydrotestosterone to 5-alpha-androstane-3 beta,17 beta-diol, dehydroepiandrosterone to androstenedione and 5-alpha-androstan-3 beta,17 beta-diol to 5-alpha-dihydrotestosterone.
</specific-function>
  <signal-regions type="array"/>
  <transmembrane-regions type="array"/>
  <pdb-ids></pdb-ids>
  <genbank-gene-id>M27137</genbank-gene-id>
  <genbank-protein-id nil="true"/>
  <genecard-id>HSD3B1</genecard-id>
  <chromosome-location>1</chromosome-location>
  <locus>1p13.1</locus>
  <geneatlas-id>HSD3B1</geneatlas-id>
  <hgnc-id>HGNC:5217</hgnc-id>
  <export type="boolean">true</export>
  <comment nil="true"/>
  <kegg-id>hsa:3283</kegg-id>
  <meta-cyc-id>HS08829-MONOMER</meta-cyc-id>
  <ncbi-sequence-ids>NP_000853.1:NM_000862.2</ncbi-sequence-ids>
  <tissue-specificity>Placenta and skin. Predominantly expressed in mammary gland tissue.
</tissue-specificity>
  <cofactor></cofactor>
  <subunit></subunit>
  <cellular-location nil="true"/>
  <ec-number nil="true"/>
  <created-at type="dateTime">2020-06-12T23:07:04Z</created-at>
  <updated-at type="dateTime">2020-07-28T02:27:49Z</updated-at>
  <description nil="true"/>
  <receptor type="integer">0</receptor>
  <metal-binding type="integer">0</metal-binding>
  <trans-factor type="integer">0</trans-factor>
</protein>

