HEADER STRUCTURAL PROTEIN 31-DEC-69 7TPT TITLE Single-particle Cryo-EM structure of Arp2/3 complex at branched-actin TITLE 2 junction. COMPND MOL_ID: 8; COMPND 2 MOLECULE: Actin, alpha skeletal muscle; COMPND 3 CHAIN: H, I, J, K, L, M, N, O, P, Q, R, S, T, U; COMPND 4 Missing sequences correspond to unmodeled regions due to poor density COMPND 5 OTHER_DETAILS: map. Actin subunits corresponding to chains J,K,L,M,T and U have been COMPND 6 trimmed to c-beta due to lack of density for modeling sidechains. COMPND 7 These subunits were rigid body fitted into the map.; EXPDTA ELECTRON MICROSCOPY DBREF 7TPT R -1 375 UNP P68135 ACTS_RABIT 1 377 MODRES 7TPT HIC R 75 HIS modified residue SEQRES 1 R 236 LEU SER LEU TYR ALA SER GLY ARG THR THR GLY ILE VAL SEQRES 2 R 236 LEU ASP SER GLY ASP GLY VAL THR HIS ASN VAL PRO ILE SEQRES 3 R 236 TYR GLU GLY TYR ALA LEU PRO HIS ALA ILE MET ARG LEU SEQRES 4 R 236 ASP LEU ALA GLY ARG ASP LEU THR ASP TYR LEU MET LYS SEQRES 5 R 236 ILE LEU THR GLU ARG GLY TYR SER PHE VAL THR THR ALA SEQRES 6 R 236 GLU ARG GLU ILE VAL ARG ASP ILE LYS GLU LYS LEU CYS SEQRES 7 R 236 TYR VAL ALA LEU ASP PHE GLU ASN GLU MET ALA THR ALA SEQRES 8 R 236 ALA SER SER SER SER LEU GLU LYS SER TYR GLU LEU PRO SEQRES 9 R 236 ASP GLY GLN VAL ILE THR ILE GLY ASN GLU ARG PHE ARG SEQRES 10 R 236 CYS PRO GLU THR LEU PHE GLN PRO SER PHE ILE GLY MET SEQRES 11 R 236 GLU SER ALA GLY ILE HIS GLU THR THR TYR ASN SER ILE SEQRES 12 R 236 MET LYS CYS ASP ILE ASP ILE ARG LYS ASP LEU TYR ALA SEQRES 13 R 236 ASN ASN VAL MET SER GLY GLY THR THR MET TYR PRO GLY SEQRES 14 R 236 ILE ALA ASP ARG MET GLN LYS GLU ILE THR ALA LEU ALA SEQRES 15 R 236 PRO SER THR MET LYS ILE LYS ILE ILE ALA PRO PRO GLU SEQRES 16 R 236 ARG LYS TYR SER VAL TRP ILE GLY GLY SER ILE LEU ALA SEQRES 17 R 236 SER LEU SER THR PHE GLN GLN MET TRP ILE THR LYS GLN SEQRES 18 R 236 GLU TYR ASP GLU ALA GLY PRO SER ILE VAL HIS ARG LYS SEQRES 19 R 236 CYS PHE