1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Siegal, G. Davis, B. Kristensen, S.M. Sankar, A. Linacre, J. Stein, R.C. Panayotou, G. Waterfield, M.D. Driscoll, P.C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking UK J.Mol.Biol. JMOBAK 0070 0022-2836 276 461 478 10.1006/jmbi.1997.1562 9512716 Solution structure of the C-terminal SH2 domain of the p85 alpha regulatory subunit of phosphoinositide 3-kinase. 1998 10.2210/pdb1bfi/pdb pdb_00001bfi 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 12746.247 P85 ALPHA C TERMINAL SH2 DOMAIN 1 man polymer PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY ALPHA SUBUNIT, PI3-KINASE P85-ALPHA SUBUNIT no no MEDLPHHDEKTWNVGSSNRNKAENLLRGKRDGTFLVRESSKQGCYACSVVVDGEVKHCVINKTATGYGFAEPYNLYSSLK ELVLHYQHTSLVQHNDSLNVTLAYPVYAQQRR MEDLPHHDEKTWNVGSSNRNKAENLLRGKRDGTFLVRESSKQGCYACSVVVDGEVKHCVINKTATGYGFAEPYNLYSSLK ELVLHYQHTSLVQHNDSLNVTLAYPVYAQQRR A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n cattle Bos Escherichia Escherichia coli sample BL21 9913 BRAIN Bos taurus 469008 Escherichia coli BL21(DE3) BL21 (DE3) PET-23D BL21 database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1998-02-25 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-02-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site Y BNL 1997-11-18 REL REL NO NOE VIOLATION > 0.3A, NO DIHEDRAL VIOLATION > 3.0 100 30 VARIOUS 50 mM 7.5 1 atm 290 K 30 CONFORMERS WERE DETERMINED BY RESTRAINED MOLECULAR DYNAMICS/SIMULATED ANNEALING METHOD USING THE PROGRAM X-PLOR 3.84. THE STRUCTURES ARE BASED ON 1908 INTERPROTON DISTANCE RESTRAINTS DERIVED FROM NOE MEASUREMENTS; 88 HYDROGEN-BONDING DISTANCE RESTRAINTS FOR 44 HYDROGEN-BONDS IDENTIFIED ON THE BASIS OF THE NOE AND AMIDE PROTON EXCHANGE DATA; 25 TORSION ANGLE RESTRAINTS DERIVED FROM COUPLING CONSTANTS AND NOE DATA. THE RMS DISTRIBUTION ABOUT THE MEAN COORDINATE POSITIONS IS 0.57 ANGSTROMS FOR ALL BACKBONE ATOMS AND 1.12 ANGSTROMS FOR ALL ATOMS. THE AVERAGE STRUCTURE WAS THEN CALCULATED BY BEST FIT SUPERPOSITION, COORDINATE AVERAGING AND RESTRAINED ENERGY MINIMIZATION. simulated annealing BRUNGER refinement X-PLOR 3.84 structure solution XPLOR 600 Varian UNITYPLUS n 1 0 A GLU 1 n 2 GLU 1 A ASP 2 n 3 ASP 2 A LEU 3 n 4 LEU 3 A PRO 4 n 5 PRO 4 A HIS 5 n 6 HIS 5 A HIS 6 n 7 HIS 6 A ASP 7 n 8 ASP 7 A GLU 8 n 9 GLU 8 A LYS 9 n 10 LYS 9 A THR 10 n 11 THR 10 A TRP 11 n 12 TRP 11 A ASN 12 n 13 ASN 12 A VAL 13 n 14 VAL 13 A GLY 14 n 15 GLY 14 A SER 15 n 16 SER 15 A SER 16 n 17 SER 16 A ASN 17 n 18 ASN 17 A ARG 18 n 19 ARG 18 A ASN 19 n 20 ASN 19 A LYS 20 n 21 LYS 20 A ALA 21 n 22 ALA 21 A GLU 22 n 23 GLU 22 A ASN 23 n 24 ASN 23 A LEU 24 n 25 LEU 24 A LEU 25 n 26 LEU 25 A ARG 26 n 27 ARG 26 A GLY 27 n 28 GLY 27 A LYS 28 n 29 LYS 28 A ARG 29 n 30 ARG 29 A ASP 30 n 31 ASP 30 A GLY 31 n 32 GLY 31 A THR 32 n 33 THR 32 A PHE 33 n 34 PHE 33 A LEU 34 n 35 LEU 34 A VAL 35 n 36 VAL 35 A ARG 36 n 37 ARG 36 A GLU 37 n 38 GLU 37 A SER 38 n 39 SER 38 A SER 39 n 40 SER 39 A LYS 40 n 41 LYS 40 A GLN 41 n 42 GLN 41 A GLY 42 n 43 GLY 42 A CYS 43 n 44 CYS 43 A TYR 44 n 45 TYR 44 A ALA 45 n 46 ALA 45 A CYS 46 n 47 CYS 46 A SER 47 n 48 SER 47 A VAL 48 n 49 VAL 48 A VAL 49 n 50 VAL 49 A VAL 50 n 51 VAL 50 A ASP 51 n 52 ASP 51 A GLY 52 n 53 GLY 52 A GLU 53 n 54 GLU 53 A VAL 54 n 55 VAL 54 A LYS 55 n 56 LYS 55 A HIS 56 n 57 HIS 56 A CYS 57 n 58 CYS 57 A VAL 58 n 59 VAL 58 A ILE 59 n 60 ILE 59 A ASN 60 n 61 ASN 60 A LYS 61 n 62 LYS 61 A THR 62 n 63 THR 62 A ALA 63 n 64 ALA 63 A THR 64 n 65 THR 64 A GLY 65 n 66 GLY 65 A TYR 66 n 67 TYR 66 A GLY 67 n 68 GLY 67 A PHE 68 n 69 PHE 68 A ALA 69 n 70 ALA 69 A GLU 70 n 71 GLU 70 A PRO 71 n 72 PRO 71 A TYR 72 n 73 TYR 72 A ASN 73 n 74 ASN 73 A LEU 74 n 75 LEU 74 A TYR 75 n 76 TYR 75 A SER 76 n 77 SER 76 A SER 77 n 78 SER 77 A LEU 78 n 79 LEU 78 A LYS 79 n 80 LYS 79 A GLU 80 n 81 GLU 80 A LEU 81 n 82 LEU 81 A VAL 82 n 83 VAL 82 A LEU 83 n 84 LEU 83 A HIS 84 n 85 HIS 84 A TYR 85 n 86 TYR 85 A GLN 86 n 87 GLN 86 A HIS 87 n 88 HIS 87 A THR 88 n 89 THR 88 A SER 89 n 90 SER 89 A LEU 90 n 91 LEU 90 A VAL 91 n 92 VAL 91 A GLN 92 n 93 GLN 92 A HIS 93 n 94 HIS 93 A ASN 94 n 95 ASN 94 A ASP 95 n 96 ASP 95 A SER 96 n 97 SER 96 A LEU 97 n 98 LEU 97 A ASN 98 n 99 ASN 98 A VAL 99 n 100 VAL 99 A THR 100 n 101 THR 100 A LEU 101 n 102 LEU 101 A ALA 102 n 103 ALA 102 A TYR 103 n 104 TYR 103 A PRO 104 n 105 PRO 104 A VAL 105 n 106 VAL 105 A TYR 106 n 107 TYR 106 A ALA 107 n 108 ALA 107 A GLN 108 n 109 GLN 108 A GLN 109 n 110 GLN 109 A ARG 110 n 111 ARG 110 A ARG 111 n 112 ARG 111 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A O LEU 34 A O LEU 35 A N SER 47 A N SER 48 A O TYR 44 A O TYR 45 A N ILE 59 A N ILE 60 1 A MET 0 A MET 1 1 Y 2 A MET 0 A MET 1 1 Y 3 A MET 0 A MET 1 1 Y 4 A MET 0 A MET 1 1 Y 5 A MET 0 A MET 1 1 Y 6 A MET 0 A MET 1 1 Y 7 A MET 0 A MET 1 1 Y 8 A MET 0 A MET 1 1 Y 9 A MET 0 A MET 1 1 Y 10 A MET 0 A MET 1 1 Y 11 A MET 0 A MET 1 1 Y 12 A MET 0 A MET 1 1 Y 13 A MET 0 A MET 1 1 Y 14 A MET 0 A MET 1 1 Y 15 A MET 0 A MET 1 1 Y 16 A MET 0 A MET 1 1 Y 17 A MET 0 A MET 1 1 Y 18 A MET 0 A MET 1 1 Y 19 A MET 0 A MET 1 1 Y 20 A MET 0 A MET 1 1 Y 21 A MET 0 A MET 1 1 Y 22 A MET 0 A MET 1 1 Y 23 A MET 0 A MET 1 1 Y 24 A MET 0 A MET 1 1 Y 25 A MET 0 A MET 1 1 Y 26 A MET 0 A MET 1 1 Y 27 A MET 0 A MET 1 1 Y 28 A MET 0 A MET 1 1 Y 29 A MET 0 A MET 1 1 Y 30 A MET 0 A MET 1 1 Y 1 A A H OD1 GLU ASN 70 73 1.33 1 A A O H TRP VAL 11 35 1.49 1 A A O H LEU HIS 90 93 1.56 1 A A O H ALA LEU 21 25 1.59 1 A A O O GLU ASN 70 73 2.15 2 A A O H GLU ASN 8 12 1.46 2 A A O H ASN LEU 94 97 1.48 2 A A HH21 OG ARG SER 18 38 1.55 2 A A O H TRP VAL 11 35 1.56 2 A A O H GLY GLY 65 67 1.56 2 A A OD1 H ASN LYS 19 20 1.59 2 A A O O VAL ASN 91 94 2.17 2 A A O O TYR ILE 44 59 2.18 2 A A N O VAL LEU 91 97 2.19 3 A A HZ3 O LYS TYR 9 106 1.30 3 A A O HZ1 GLU LYS 53 55 1.42 3 A A O H VAL GLU 50 53 1.58 3 A A H O VAL LEU 91 97 1.59 4 A A O H GLU ASN 8 12 1.38 4 A A O H TRP VAL 11 35 1.54 4 A A O OG1 GLN THR 86 100 2.19 5 A A OE2 HE GLU ARG 22 26 1.44 5 A A O H VAL GLU 50 53 1.52 5 A A O H ARG ALA 36 45 1.56 5 A A O H TRP VAL 11 35 1.58 5 A A O H ALA LEU 21 25 1.58 6 A A O H LEU HIS 90 93 1.31 6 A A O H THR THR 62 64 1.33 6 A A O H SER LYS 38 40 1.34 6 A A OD1 H ASN LYS 17 20 1.40 6 A A O H VAL GLY 50 52 1.51 6 A A O H TYR ILE 44 59 1.52 6 A A H O LEU SER 34 47 1.52 6 A A H OD1 GLU ASN 70 73 1.57 6 A A O N GLU TYR 70 72 2.19 7 A A O H GLU ASN 8 12 1.43 7 A A H O SER CYS 38 43 1.43 7 A A O H THR GLY 62 65 1.47 7 A A O H ALA LEU 21 25 1.50 7 A A O H LEU HIS 90 93 1.52 7 A A O H TRP VAL 11 35 1.56 7 A A O H VAL GLY 50 52 1.57 7 A A H O CYS CYS 46 57 1.60 7 A A O N VAL ASP 91 95 2.16 8 A A OD2 HZ2 ASP LYS 7 9 1.43 8 A A O H TRP VAL 11 35 1.47 8 A A O H VAL GLY 50 52 1.53 8 A A O H ALA LEU 21 25 1.54 8 A A O HG1 ASP THR 7 10 1.54 8 A A O H ASN LEU 94 97 1.56 8 A A OG HD1 SER HIS 47 56 1.58 8 A A O N ASN SER 94 96 2.14 9 A A HD1 H HIS ASP 6 7 1.26 9 A A OD1 H ASN LYS 19 20 1.37 9 A A O H GLU ASN 8 12 1.41 9 A A O H VAL GLY 50 52 1.46 9 A A H O SER CYS 38 43 1.53 9 A A O H LYS LEU 20 24 1.55 9 A A O H TRP VAL 11 35 1.55 9 A A O H ALA LEU 21 25 1.59 9 A A O N ASN SER 94 96 2.13 9 A A N O VAL LEU 91 97 2.18 10 A A HD1 H HIS ASP 6 7 1.26 10 A A OD1 H ASN LYS 19 20 1.37 10 A A O H GLU ASN 8 12 1.41 10 A A O H VAL GLY 50 52 1.46 10 A A H O SER CYS 38 43 1.53 10 A A O H LYS LEU 20 24 1.55 10 A A O H TRP VAL 11 35 1.55 10 A A O H ALA LEU 21 25 1.59 10 A A O N ASN SER 94 96 2.13 10 A A N O VAL LEU 91 97 2.18 11 A A O H TRP VAL 11 35 1.47 11 A A H O ARG ALA 36 45 1.48 11 A A O O ARG ALA 36 45 2.16 11 A A O N LEU GLN 90 92 2.16 12 A A O H VAL SER 13 16 1.30 12 A A O H TRP VAL 11 35 1.43 12 A A O H ASN LEU 94 97 1.48 12 A A O H ASN ALA 17 21 1.57 12 A A O H ARG ALA 36 45 1.58 12 A A O O TYR ILE 44 59 2.14 12 A A O O VAL ASN 91 94 2.17 13 A A O H LEU HIS 90 93 1.30 13 A A OD1 H ASN LYS 17 20 1.42 13 A A O H TRP VAL 11 35 1.46 13 A A O H VAL SER 13 16 1.51 13 A A O HG1 ASP THR 7 10 1.51 13 A A NE2 HE22 HIS GLN 5 86 1.53 13 A A O H ALA LEU 21 25 1.56 13 A A O H THR TYR 10 106 1.58 14 A A O H LEU HIS 90 93 1.30 14 A A OD1 H ASN LYS 17 20 1.42 14 A A O H TRP VAL 11 35 1.46 14 A A O H VAL SER 13 16 1.51 14 A A O HG1 ASP THR 7 10 1.51 14 A A NE2 HE22 HIS GLN 5 86 1.53 14 A A O H ALA LEU 21 25 1.56 14 A A O H THR TYR 10 106 1.58 15 A A HG H SER SER 76 77 1.33 15 A A O H GLU ASN 8 12 1.42 15 A A H O LEU SER 34 47 1.47 15 A A O H ALA LEU 21 25 1.48 15 A A O H GLU HIS 80 84 1.50 15 A A O HZ3 GLU LYS 53 55 1.51 15 A A OG H SER LYS 39 40 1.53 15 A A H O SER CYS 38 43 1.57 16 A A HG H SER SER 76 77 1.33 16 A A O H GLU ASN 8 12 1.42 16 A A H O LEU SER 34 47 1.47 16 A A O H ALA LEU 21 25 1.48 16 A A O H GLU HIS 80 84 1.50 16 A A O HZ3 GLU LYS 53 55 1.51 16 A A OG H SER LYS 39 40 1.53 16 A A H O SER CYS 38 43 1.57 17 A A HG H SER GLU 77 80 1.21 17 A A O H TRP VAL 11 35 1.41 17 A A H O VAL LEU 91 97 1.43 17 A A O H GLU ASN 8 12 1.44 17 A A O H VAL GLU 50 53 1.45 17 A A H O SER CYS 38 43 1.46 17 A A O HE SER ARG 16 36 1.50 17 A A O N LEU GLN 90 92 2.18 17 A A O O ARG ALA 36 45 2.19 18 A A HD21 H ASN ARG 17 18 1.34 18 A A O H GLU ASN 8 12 1.35 18 A A O H TRP VAL 11 35 1.45 18 A A O H GLU HIS 80 84 1.46 18 A A O HG1 PRO THR 4 10 1.47 19 A A HD21 H ASN ARG 17 18 1.34 19 A A O H GLU ASN 8 12 1.35 19 A A O H TRP VAL 11 35 1.45 19 A A O H GLU HIS 80 84 1.46 19 A A O HG1 PRO THR 4 10 1.47 20 A A HH21 HG ARG SER 36 47 1.25 20 A A OG HD1 SER HIS 47 56 1.43 20 A A OG H SER LYS 39 40 1.44 20 A A O H ALA LEU 21 25 1.52 20 A A O H LYS LEU 20 24 1.53 20 A A O H ASN LEU 94 97 1.54 20 A A H O SER CYS 38 43 1.56 20 A A O O VAL ASN 91 94 2.16 20 A A O OG1 ASP THR 7 10 2.17 20 A A N O VAL LEU 91 97 2.19 21 A A O H GLU ASN 8 12 1.36 21 A A O H THR GLY 62 65 1.48 21 A A O H TRP VAL 11 35 1.50 21 A A H O VAL LEU 91 97 1.50 21 A A O N LEU GLN 90 92 2.19 21 A A O OD1 GLU ASN 8 12 2.19 22 A A HG HD1 SER HIS 47 56 1.28 22 A A O HH12 ASN ARG 17 36 1.42 22 A A O H VAL SER 13 16 1.50 22 A A OD1 H ASN LYS 19 20 1.54 22 A A O H GLU HIS 80 84 1.56 22 A A O H ALA LEU 21 25 1.57 22 A A O H TRP VAL 11 35 1.59 23 A A O H VAL SER 13 16 1.25 23 A A H O VAL LEU 91 97 1.36 23 A A O H GLU ASN 8 12 1.44 23 A A O H TRP VAL 11 35 1.49 23 A A O H ASN ALA 17 21 1.57 23 A A OD2 HZ2 ASP LYS 7 9 1.57 23 A A N O VAL LEU 91 97 2.18 24 A A O H GLN CYS 41 43 1.43 24 A A O H LEU HIS 90 93 1.47 24 A A O HD1 GLU HIS 80 84 1.50 24 A A O H GLU ASN 70 73 1.53 24 A A O H TRP VAL 11 35 1.55 24 A A O H VAL LYS 48 55 1.57 24 A A O H VAL SER 13 16 1.58 25 A A OD1 H ASN LYS 17 20 1.26 25 A A OD1 H ASN LEU 73 74 1.35 25 A A O H GLU ASN 8 12 1.38 25 A A O H TRP VAL 11 35 1.42 25 A A O O TYR ILE 44 59 2.16 26 A A OD1 H ASN LYS 17 20 1.26 26 A A OD1 H ASN LEU 73 74 1.35 26 A A O H GLU ASN 8 12 1.38 26 A A O H TRP VAL 11 35 1.42 26 A A O O TYR ILE 44 59 2.16 27 A A H O VAL LEU 91 97 1.47 27 A A O H VAL GLY 50 52 1.54 27 A A O H GLU ASN 8 12 1.55 27 A A O HZ1 LEU LYS 24 28 1.55 27 A A O HG1 HIS THR 84 88 1.58 27 A A H O SER CYS 38 43 1.60 27 A A N O VAL LEU 91 97 2.15 28 A A H O VAL LEU 91 97 1.47 28 A A O H VAL GLY 50 52 1.54 28 A A O H GLU ASN 8 12 1.55 28 A A O HZ1 LEU LYS 24 28 1.55 28 A A O HG1 HIS THR 84 88 1.58 28 A A H O SER CYS 38 43 1.60 28 A A N O VAL LEU 91 97 2.15 29 A A HG O SER LYS 47 55 1.40 29 A A O H GLU ASN 8 12 1.45 29 A A O H VAL GLY 50 52 1.46 29 A A O H TRP VAL 11 35 1.52 29 A A H O ARG ALA 36 45 1.53 29 A A OD1 H ASN LYS 19 20 1.58 29 A A OD1 H ASN GLY 12 14 1.60 29 A A OH O TYR TYR 66 75 2.17 29 A A O O TYR ILE 44 59 2.19 30 A A O H GLU ASN 8 12 1.46 30 A A O H ASN LEU 94 97 1.48 30 A A HH21 OG ARG SER 18 38 1.55 30 A A O H TRP VAL 11 35 1.56 30 A A O H GLY GLY 65 67 1.56 30 A A OD1 H ASN LYS 19 20 1.59 30 A A O O VAL ASN 91 94 2.17 30 A A O O TYR ILE 44 59 2.18 30 A A N O VAL LEU 91 97 2.19 12 -25.20 1.10 119.40 94.20 A A A NH1 CZ NH2 ARG ARG ARG 110 110 110 N 12 25.72 0.50 120.30 146.02 A A A NE CZ NH2 ARG ARG ARG 110 110 110 N 12 A A CZ NH2 ARG ARG 110 110 0.678 0.013 1.326 2.004 N 1 A SER 39 85.19 -77.45 1 A ALA 63 -37.55 -35.78 1 A TYR 66 -168.07 -8.17 1 A ALA 69 176.80 97.05 1 A ASN 94 58.22 7.73 1 A SER 96 -156.95 15.48 1 A LEU 97 -101.62 73.91 1 A LEU 101 -52.43 95.57 2 A SER 39 97.86 131.03 2 A LYS 40 62.32 -143.77 2 A ASP 51 -49.97 -17.17 2 A GLU 53 -163.22 -165.53 2 A TYR 66 -64.44 30.80 2 A TYR 75 60.58 175.02 2 A VAL 91 -36.66 -33.75 2 A ASP 95 -35.98 -24.35 3 A SER 39 112.76 -37.58 3 A GLN 41 -47.94 -16.95 3 A ASP 51 40.88 24.28 3 A TYR 66 46.75 -178.95 3 A PHE 68 -131.20 -58.80 3 A ASN 73 64.02 141.75 3 A LEU 74 -74.17 -118.15 3 A VAL 91 12.31 -75.24 3 A GLN 92 62.63 -175.98 3 A ASP 95 60.00 14.60 3 A LEU 97 -96.58 36.57 4 A ARG 36 -146.11 -141.91 4 A SER 39 101.97 -43.47 4 A ASP 51 -49.30 -18.30 4 A TYR 66 56.66 177.62 4 A LEU 74 43.60 84.20 4 A GLN 92 -38.58 -36.63 4 A ASN 94 44.28 9.71 4 A SER 96 -151.61 4.64 4 A LEU 97 -100.47 70.68 4 A VAL 99 -174.06 -177.81 5 A SER 39 99.71 -17.20 5 A ASP 51 48.44 20.52 5 A ALA 63 54.29 -81.40 5 A TYR 66 -169.55 -163.51 5 A VAL 91 -9.23 -53.20 5 A GLN 92 -36.41 146.49 5 A HIS 93 103.94 -120.13 6 A SER 39 61.09 -51.42 6 A GLN 41 85.25 -173.60 6 A ASP 51 -65.48 60.14 6 A THR 62 -140.43 55.66 6 A ALA 63 63.40 -47.29 6 A TYR 66 -168.32 -11.07 6 A PRO 71 -25.85 -29.15 6 A LEU 74 -166.09 87.81 6 A ASN 94 -148.71 19.85 6 A SER 96 -168.19 2.02 6 A LEU 97 -101.62 64.47 6 A LEU 101 -88.34 47.14 7 A ASP 30 -42.96 159.81 7 A SER 39 83.13 -116.58 7 A ASP 51 -67.23 61.79 7 A LYS 61 -92.79 38.07 7 A ALA 63 -44.30 -8.26 7 A TYR 66 57.46 -132.87 7 A ASN 94 -140.18 19.85 7 A ASP 95 59.92 8.16 7 A LEU 97 -103.32 69.94 8 A LYS 40 -172.02 -76.99 8 A ASP 51 -59.66 28.03 8 A ALA 63 155.20 -48.42 8 A THR 64 -153.99 60.01 8 A TYR 66 58.65 -132.42 8 A PRO 71 -30.96 -25.68 8 A ASP 95 -31.73 -19.81 8 A LEU 97 -97.70 57.43 9 A SER 39 85.85 -113.61 9 A ASP 51 -62.25 56.13 9 A THR 64 -162.92 78.69 9 A TYR 66 57.63 -4.98 9 A VAL 91 -10.67 -58.22 9 A GLN 92 -35.17 155.09 9 A HIS 93 55.49 107.91 9 A ASN 94 56.69 71.84 9 A ASP 95 -29.84 -20.00 9 A LEU 97 -95.68 41.67 10 A SER 39 85.85 -113.61 10 A ASP 51 -62.25 56.13 10 A THR 64 -162.92 78.69 10 A TYR 66 57.63 -4.98 10 A VAL 91 -10.67 -58.22 10 A GLN 92 -35.17 155.09 10 A HIS 93 55.49 107.91 10 A ASN 94 56.69 71.84 10 A ASP 95 -29.84 -20.00 10 A LEU 97 -95.68 41.67 11 A ASP 30 -47.39 156.00 11 A SER 39 91.90 -19.93 11 A ASP 51 -52.70 2.20 11 A TYR 66 53.47 164.79 11 A GLU 70 62.62 175.31 11 A TYR 72 -151.32 8.65 11 A VAL 91 40.29 -81.12 11 A GLN 92 84.44 171.86 11 A LEU 97 -104.02 46.24 11 A LEU 101 -93.26 30.23 12 A SER 39 93.32 -22.18 12 A ASP 51 -49.59 -10.31 12 A ALA 63 -45.88 -6.00 12 A TYR 66 33.73 32.38 12 A LEU 74 61.97 115.70 12 A VAL 91 -10.15 -64.42 12 A GLN 92 34.71 -142.24 12 A ASN 94 -69.70 83.30 12 A ASP 95 -44.03 -10.74 13 A VAL 13 -140.72 31.99 13 A SER 39 98.45 -71.89 13 A ASP 51 -55.06 9.36 13 A TYR 66 163.78 -14.73 13 A TYR 106 -113.61 54.04 14 A VAL 13 -140.72 31.99 14 A SER 39 98.45 -71.89 14 A ASP 51 -55.06 9.36 14 A TYR 66 163.78 -14.73 14 A TYR 106 -113.61 54.04 15 A SER 39 67.16 -110.05 15 A ASP 51 -58.21 6.38 15 A THR 64 -160.25 72.47 15 A TYR 66 -168.00 -4.10 15 A PRO 71 -33.70 -32.65 15 A ASN 94 54.27 -0.65 15 A SER 96 -144.27 12.07 15 A TYR 106 -106.08 44.79 15 A ALA 107 -96.84 -70.55 16 A SER 39 67.16 -110.05 16 A ASP 51 -58.21 6.38 16 A THR 64 -160.25 72.47 16 A TYR 66 -168.00 -4.10 16 A PRO 71 -33.70 -32.65 16 A ASN 94 54.27 -0.65 16 A SER 96 -144.27 12.07 16 A TYR 106 -106.08 44.79 16 A ALA 107 -96.84 -70.55 17 A PRO 4 -56.03 -6.25 17 A VAL 13 -140.08 31.67 17 A SER 39 91.27 -129.25 17 A ASP 51 36.13 33.76 17 A ALA 63 -36.12 -30.29 17 A THR 64 -153.23 58.41 17 A TYR 66 -165.30 -61.33 17 A PRO 71 -33.72 -24.33 17 A ASN 73 -43.56 158.11 17 A VAL 91 31.84 -81.52 17 A GLN 92 56.22 -159.20 17 A ASP 95 -43.64 -8.95 17 A LEU 97 -83.81 30.83 18 A PRO 4 -48.66 -19.99 18 A SER 39 61.08 142.58 18 A GLN 41 58.52 148.30 18 A ALA 63 -40.07 -18.03 18 A THR 64 -153.47 40.77 18 A TYR 66 -168.19 -18.94 18 A ASN 73 61.77 -124.59 18 A VAL 91 2.34 -66.67 18 A GLN 92 35.28 -149.09 18 A HIS 93 -50.55 171.71 18 A ASN 94 63.02 -22.19 18 A TYR 106 -99.88 30.98 18 A ALA 107 -78.95 20.07 19 A PRO 4 -48.66 -19.99 19 A SER 39 61.08 142.58 19 A GLN 41 58.52 148.30 19 A ALA 63 -40.07 -18.03 19 A THR 64 -153.47 40.77 19 A TYR 66 -168.19 -18.94 19 A ASN 73 61.77 -124.59 19 A VAL 91 2.34 -66.67 19 A GLN 92 35.28 -149.09 19 A HIS 93 -50.55 171.71 19 A ASN 94 63.02 -22.19 19 A TYR 106 -99.88 30.98 19 A ALA 107 -78.95 20.07 20 A ARG 18 58.80 -12.89 20 A ARG 36 -129.45 -149.77 20 A SER 39 99.02 -91.05 20 A ASP 51 -48.84 -18.39 20 A GLU 53 -164.85 -165.93 20 A TYR 66 63.08 -9.82 20 A ALA 69 -154.31 -6.94 20 A LEU 74 -158.58 -125.48 20 A VAL 91 -21.63 -38.52 20 A ASP 95 -40.87 -12.86 20 A LEU 97 -95.67 56.62 21 A SER 39 60.83 -77.36 21 A GLN 41 116.79 -33.92 21 A ASP 51 -49.01 -17.68 21 A TYR 66 -168.45 -30.17 21 A PRO 71 -39.28 -38.09 21 A ASN 73 -75.93 -82.82 21 A LEU 74 -27.51 82.55 21 A SER 76 -162.94 -49.51 21 A VAL 91 18.71 -79.10 21 A GLN 92 73.05 -176.23 21 A LEU 97 -100.21 61.69 21 A ALA 107 -64.51 -143.59 21 A GLN 108 -83.16 -154.85 22 A VAL 13 -146.01 34.37 22 A ARG 36 -144.01 -156.80 22 A SER 39 111.06 127.83 22 A LYS 40 60.96 -148.78 22 A ASP 51 -46.97 -18.80 22 A TYR 66 178.10 -26.13 22 A LEU 74 49.42 95.69 22 A VAL 91 -1.75 -67.58 22 A GLN 92 35.15 -123.91 22 A ASP 95 33.37 28.65 23 A SER 38 -75.83 30.09 23 A SER 39 67.19 -11.92 23 A GLU 53 -167.07 -165.09 23 A THR 62 -151.12 -134.90 23 A TYR 66 -160.38 5.66 23 A ALA 69 177.27 27.63 23 A GLU 70 56.75 153.26 23 A VAL 91 26.79 -84.07 23 A GLN 92 77.32 -179.51 23 A LEU 97 -99.78 50.96 23 A LEU 101 -98.17 33.41 24 A PRO 4 -57.33 -9.33 24 A VAL 13 -140.46 27.67 24 A SER 39 96.90 -99.08 24 A TYR 66 175.22 -167.18 24 A PRO 71 -39.79 -17.04 24 A ASN 73 -106.20 -111.29 24 A SER 96 -140.68 11.35 25 A PRO 4 -49.06 -19.54 25 A SER 38 -75.73 33.14 25 A SER 39 64.88 -14.60 25 A ASP 51 -49.71 -15.24 25 A THR 64 -141.95 48.77 25 A TYR 66 -36.99 -23.78 25 A TYR 72 44.19 96.43 25 A ASN 73 166.99 -73.92 25 A TYR 75 48.82 118.57 25 A VAL 91 -26.56 -37.16 25 A GLN 92 -40.80 179.25 25 A HIS 93 61.25 -108.84 25 A SER 96 -143.22 13.04 25 A LEU 97 -101.23 70.14 25 A LEU 101 -69.62 74.50 25 A TYR 106 -119.39 54.88 26 A PRO 4 -49.06 -19.54 26 A SER 38 -75.73 33.14 26 A SER 39 64.88 -14.60 26 A ASP 51 -49.71 -15.24 26 A THR 64 -141.95 48.77 26 A TYR 66 -36.99 -23.78 26 A TYR 72 44.19 96.43 26 A ASN 73 166.99 -73.92 26 A TYR 75 48.82 118.57 26 A VAL 91 -26.56 -37.16 26 A GLN 92 -40.80 179.25 26 A HIS 93 61.25 -108.84 26 A SER 96 -143.22 13.04 26 A LEU 97 -101.23 70.14 26 A LEU 101 -69.62 74.50 26 A TYR 106 -119.39 54.88 27 A SER 39 71.78 -65.70 27 A ASP 51 -65.80 57.37 27 A TYR 66 68.28 -162.90 27 A PRO 71 -92.27 44.25 27 A LEU 74 -68.14 65.18 27 A VAL 91 16.29 -83.17 27 A GLN 92 75.77 -176.07 27 A LEU 97 -98.50 53.67 27 A GLN 108 -156.34 57.02 28 A SER 39 71.78 -65.70 28 A ASP 51 -65.80 57.37 28 A TYR 66 68.28 -162.90 28 A PRO 71 -92.27 44.25 28 A LEU 74 -68.14 65.18 28 A VAL 91 16.29 -83.17 28 A GLN 92 75.77 -176.07 28 A LEU 97 -98.50 53.67 28 A GLN 108 -156.34 57.02 29 A SER 39 101.44 -30.58 29 A ALA 45 -175.80 145.12 29 A ASP 51 -62.89 50.09 29 A LYS 61 -62.71 80.29 29 A TYR 66 -57.42 -6.89 29 A PRO 71 -39.72 -9.92 29 A LEU 74 52.77 115.64 29 A VAL 91 -15.17 -48.28 29 A GLN 92 53.92 179.41 29 A SER 96 -148.19 -2.56 29 A LEU 97 -102.16 52.00 29 A TYR 106 -109.13 42.48 30 A SER 39 97.86 131.03 30 A LYS 40 62.32 -143.77 30 A ASP 51 -49.97 -17.17 30 A GLU 53 -163.22 -165.53 30 A TYR 66 -64.44 30.80 30 A TYR 75 60.58 175.02 30 A VAL 91 -36.66 -33.75 30 A ASP 95 -35.98 -24.35 model building X-PLOR 3.84 refinement X-PLOR 3.84 phasing X-PLOR 3.84 SOLUTION STRUCTURE OF THE C-TERMINAL SH2 DOMAIN OF THE P85ALPHA REGULATORY SUBUNIT OF PHOSPHOINOSITIDE 3-KINASE, NMR, 30 STRUCTURES 1 Y N A PRO 4 A PRO 5 HELX_P A HIS 6 A HIS 7 5 1 3 A GLU 8 A GLU 9 HELX_P A TRP 11 A TRP 12 1 2 4 A ARG 18 A ARG 19 HELX_P A LEU 25 A LEU 26 1 3 8 A LEU 78 A LEU 79 HELX_P A HIS 87 A HIS 88 1 4 10 A LEU 90 A LEU 91 HELX_P A ASP 95 A ASP 96 5 5 6 SH2 DOMAIN SH2 DOMAIN, P85ALPHA, PI 3-KINASE, C TERMINAL SH2 DOMAIN P85A_BOVIN UNP 1 1 P23727 MSAEGYQYRALYDYKKEREEDIDLHLGDILTVNKGSLVALGFSDGQEAKPEEIGWLNGYNETTGERGDFPGTYVEYIGRK KISPPTPKPRPPRPLPVAPGPSKTEADSEQQASTLPDLAEQFAPPDVAPPLLIKLVEAIEKKGLECSTLYRTQSSSNPAE LRQLLDCDTASLDLEMFDVHVLADAFKRYLLDLPNPVIPVAVSSELISLAPEVQSSEEYIQLLKKLIRSPSIPHQYWLTL QYLLKHFFKLSQTSSKNLLNARVLSELFSPLLFRFPAASSENTEHLIKIIEILISTEWNERQPAPALPPKPPKPTTVANN GMNNNMSLQDAEWYWGDISREEVNEKLRDTADGTFLVRDASTKMHGDYTLTLRKGGNNKLIKIFHRDGKYGFSDPLTFNS VVELINHYRNESLAQYNPKLDVKLLYPVSKYQQDQVVKEDNIEAVGKKLHEYNTQFQEKSREYDRLYEDYTRTSQEIQMK RTAIEAFNETIKIFEEQCQTQERYSKEYIEKFKREGNETEIQRIMHNYEKLKSRISEIVDSRRRLEEDLKKQAAEYREID KRMNSIKPDLIQLRKTRDQYLMWLTQKGVRQKKLNEWLGNENTEDQYSLVEDDEDLPHHDEKTWNVGSSNRNKAENLLRG KRDGTFLVRESSKQGCYACSVVVDGEVKHCVINKTATGYGFAEPYNLYSSLKELVLHYQHTSLVQHNDSLNVTLAYPVYA QQRR 614 724 1BFI 1 111 P23727 A 1 2 112 3 anti-parallel anti-parallel A PHE 33 A PHE 34 A GLU 37 A GLU 38 A TYR 44 A TYR 45 A VAL 49 A VAL 50 A VAL 54 A VAL 55 A ILE 59 A ILE 60 1 P 1