HEADER HYDROLASE 31-DEC-69 6RGQ TITLE Human 20S Proteasome COMPND MOL_ID: 7; COMPND 2 MOLECULE: Proteasome subunit alpha type-3; COMPND 3 CHAIN: G, U; COMPND 4 EC: 3.4.25.1; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 6RGQ U 0 254 UNP P25788 PSA3_HUMAN 1 255 SEQRES 1 U 239 GLY TYR ASP LEU SER ALA SER THR PHE SER PRO ASP GLY SEQRES 2 U 239 ARG VAL PHE GLN VAL GLU TYR ALA MET LYS ALA VAL GLU SEQRES 3 U 239 ASN SER SER THR ALA ILE GLY ILE ARG CYS LYS ASP GLY SEQRES 4 U 239 VAL VAL PHE GLY VAL GLU LYS LEU VAL LEU SER LYS LEU SEQRES 5 U 239 TYR GLU GLU GLY SER ASN LYS ARG LEU PHE ASN VAL ASP SEQRES 6 U 239 ARG HIS VAL GLY MET ALA VAL ALA GLY LEU LEU ALA ASP SEQRES 7 U 239 ALA ARG SER LEU ALA ASP ILE ALA ARG GLU GLU ALA SER SEQRES 8 U 239 ASN PHE ARG SER ASN PHE GLY TYR ASN ILE PRO LEU LYS SEQRES 9 U 239 HIS LEU ALA ASP ARG VAL ALA MET TYR VAL HIS ALA TYR SEQRES 10 U 239 THR LEU TYR SER ALA VAL ARG PRO PHE GLY CYS SER PHE SEQRES 11 U 239 MET LEU GLY SER TYR SER VAL ASN ASP GLY ALA GLN LEU SEQRES 12 U 239 TYR MET ILE ASP PRO SER GLY VAL SER TYR GLY TYR TRP SEQRES 13 U 239 GLY CYS ALA ILE GLY LYS ALA ARG GLN ALA ALA LYS THR SEQRES 14 U 239 GLU ILE GLU LYS LEU GLN MET LYS GLU MET THR CYS ARG SEQRES 15 U 239 ASP ILE VAL LYS GLU VAL ALA LYS ILE ILE TYR ILE VAL SEQRES 16 U 239 HIS ASP GLU VAL LYS ASP LYS ALA PHE GLU LEU GLU LEU SEQRES 17 U 239 SER TRP VAL GLY GLU LEU THR ASN GLY ARG HIS GLU ILE SEQRES 18 U 239 VAL PRO LYS ASP ILE ARG GLU GLU ALA GLU LYS TYR ALA SEQRES 19 U 239 LYS GLU SER LEU LYS