<?xml version="1.0" encoding="UTF-8"?>
<protein>
  <version>1.0</version>
  <creation_date>2018-05-07 22:26:22 UTC</creation_date>
  <update_date>2020-05-20 21:04:18 UTC</update_date>
  <accession>BMDBP01304</accession>
  <secondary_accessions>
    <accession>BMDBP03101</accession>
  </secondary_accessions>
  <protein_type>Enzyme</protein_type>
  <synonyms>
  </synonyms>
  <gene_name>LALBA</gene_name>
  <general_function>Involved in calcium ion binding</general_function>
  <specific_function>Regulatory subunit of lactose synthase, changes the substrate specificity of galactosyltransferase in the mammary gland making glucose a good acceptor substrate for this enzyme. This enables LS to synthesize lactose, the major carbohydrate component of milk. In other tissues, galactosyltransferase transfers galactose onto the N-acetylglucosamine of the oligosaccharide chains in glycoproteins.</specific_function>
  <pathways>
  </pathways>
  <metabolite_associations>
    <metabolite>
      <accession>BMDB0000464</accession>
      <name>Calcium</name>
    </metabolite>
    <metabolite>
      <accession>BMDB0000122</accession>
      <name>D-Glucose</name>
    </metabolite>
    <metabolite>
      <accession>BMDB0000302</accession>
      <name>Uridine diphosphategalactose</name>
    </metabolite>
    <metabolite>
      <accession>BMDB0000295</accession>
      <name>Uridine 5'-diphosphate</name>
    </metabolite>
    <metabolite>
      <accession>BMDB0000186</accession>
      <name>Alpha-Lactose</name>
    </metabolite>
  </metabolite_associations>
  <go_classifications>
  </go_classifications>
  <subcellular_locations>
  </subcellular_locations>
  <gene_properties>
    <chromosome_location>5</chromosome_location>
    <locus>5q21</locus>
    <gene_sequence>&gt;429 bp
AMOFALUISITE.TAACCAAAATGATGTCCTTTGTCTCTCTGCTCCTGGTAGGCATCCTA
TTCCATGCCACCCAGGCTGAACAGTTAACAAAATGTGAGGTGTTCCGGGAGCTGAAAGAC
TTGAAGGGCTACGGAGGTGTCAGTTTGCCTGAATGGGTCTGTACCACGTTTCATACCAGT
GGTTATGACACACAAGCCATAGTACAAAACAATGACAGCACAGAATATGGACTCTTCCAG
ATAAATAATAAAATTTGGTGCAAAGACGACCAGAACCCTCACTCAAGCAACATCTGTAAC
ATCTCCTGTGACAAGTTCCTGGATGATGATCTTACTGATGACATTATGTGTGTCAAGAAG
ATTCTGGATAAAGTAGGAATTAACTACTGGTTGGCCCATAAAGCACTCTGTTCTGAGAAG
CTGGATCAG</gene_sequence>
  </gene_properties>
  <protein_properties>
    <residue_number>142</residue_number>
    <molecular_weight>16247.0</molecular_weight>
    <theoretical_pi>4.73</theoretical_pi>
    <pfams>
    </pfams>
    <transmembrane_regions>
    </transmembrane_regions>
    <signal_regions>
      <region>1-19</region>
    </signal_regions>
    <polypeptide_sequence>&gt;Alpha-lactalbumin
MMSFVSLLLVGILFHATQAEQLTKCEVFRELKDLKGYGGVSLPEWVCTTFHTSGYDTQAI
VQNNDSTEYGLFQINNKIWCKDDQNPHSSNICNISCDKFLDDDLTDDIMCVKKILDKVGI
NYWLAHKALCSEKLDQWLCEKL</polypeptide_sequence>
  </protein_properties>
  <genbank_protein_id>CAA29664.1</genbank_protein_id>
  <uniprot_id>P00711</uniprot_id>
  <uniprot_name>LALBA_BOVIN</uniprot_name>
  <pdb_ids>
    <pdb_id>1F6R</pdb_id>
    <pdb_id>1F6S</pdb_id>
    <pdb_id>1HFZ</pdb_id>
    <pdb_id>2G4N</pdb_id>
    <pdb_id>6IP9</pdb_id>
    <pdb_id>1HFZ</pdb_id>
    <pdb_id>6IP9</pdb_id>
  </pdb_ids>
  <genbank_gene_id>X06366</genbank_gene_id>
  <genecard_id>LALBA</genecard_id>
  <geneatlas_id/>
  <general_references>
  </general_references>
  <metabolite_references>
  </metabolite_references>
</protein>
