0.008363 0.000000 0.006202 0.000000 0.029053 0.000000 0.000000 0.000000 0.016847 0.00000 0.00000 0.00000 Edwards, S.H. Thompson, D. Baker, S.F. Wood, S.P. Wilton, D.C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 126.56 90.00 119.580 34.420 73.900 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 Ca 2 40.078 CALCIUM ION non-polymer 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 H2 O 18.015 WATER non-polymer 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 41 15468 15476 10.1021/bi020485z 12501175 The crystal structure of the H48Q active site mutant of human group IIA secreted phospholipase A2 at 1.5 A resolution provides an insight into the catalytic mechanism 2002 10.2210/pdb1n28/pdb pdb_00001n28 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 CCD 2001-05-20 ADSC QUANTUM 4 SINGLE WAVELENGTH M x-ray 1 0.933 1.0 ID14-2 ESRF 0.933 SYNCHROTRON ESRF BEAMLINE ID14-2 13891.969 Phospholipase A2, membrane associated 3.1.1.4 N1A, H48Q 2 man polymer 40.078 CALCIUM ION 4 syn non-polymer 18.015 water 107 nat water Phosphatidylcholine 2-acylhydrolase, Group IIA phospholipase A2, GIIC sPLA2, Non-pancreatic secretory phospholipase A2, NPS-PLA2 no no ALVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTQDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC ALVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTQDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC B,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 n n n n n n n n n n n n human Homo Escherichia Escherichia coli sample 9606 Homo sapiens 469008 Escherichia coli BL21(DE3) BL21 DE3 Plasmid pET11a 1 2.20 44.04 VAPOR DIFFUSION, HANGING DROP 7.4 NaCl, CaCl2, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K 277 database_2 pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2003-10-28 1 1 2008-04-28 1 2 2011-07-13 1 3 2021-10-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_asym_id _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr2_auth_asym_id _pdbx_struct_conn_angle.ptnr2_auth_seq_id _pdbx_struct_conn_angle.ptnr2_label_asym_id _pdbx_struct_conn_angle.ptnr3_auth_asym_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id CRYSTAL STRUCTURE OF THE N1A MUTANT OF HUMAN GROUP IIA PHOSPHOLIPASE A2 SEQUENCE Authors informed that although the actual position of mutation H48Q is at residue 47, the histidine residue is generally referred to as His-48, as this is its position according to the standard pancreatic enzyme numbering. RCSB Y RCSB 2002-10-22 REL CA CALCIUM ION HOH water CA2 125 2 CA CA 125 B CA2 127 2 CA CA 127 B CA2 126 2 CA CA 126 A CA2 128 2 CA CA 128 A HOH 1 3 HOH HOH 128 B HOH 5 3 HOH HOH 129 B HOH 10 3 HOH HOH 130 B HOH 21 3 HOH HOH 131 B HOH 115 3 HOH HOH 132 B HOH 116 3 HOH HOH 133 B HOH 117 3 HOH HOH 134 B HOH 118 3 HOH HOH 135 B HOH 119 3 HOH HOH 136 B HOH 123 3 HOH HOH 137 B HOH 130 3 HOH HOH 138 B HOH 131 3 HOH HOH 139 B HOH 134 3 HOH HOH 140 B HOH 136 3 HOH HOH 141 B HOH 142 3 HOH HOH 142 B HOH 149 3 HOH HOH 143 B HOH 150 3 HOH HOH 144 B HOH 159 3 HOH HOH 145 B HOH 162 3 HOH HOH 146 B HOH 164 3 HOH HOH 147 B HOH 166 3 HOH HOH 148 B HOH 169 3 HOH HOH 149 B HOH 170 3 HOH HOH 150 B HOH 171 3 HOH HOH 151 B HOH 173 3 HOH HOH 152 B HOH 176 3 HOH HOH 153 B HOH 181 3 HOH HOH 154 B HOH 184 3 HOH HOH 155 B HOH 187 3 HOH HOH 156 B HOH 188 3 HOH HOH 157 B HOH 196 3 HOH HOH 158 B HOH 204 3 HOH HOH 159 B HOH 205 3 HOH HOH 160 B HOH 206 3 HOH HOH 161 B HOH 207 3 HOH HOH 162 B HOH 208 3 HOH HOH 163 B HOH 210 3 HOH HOH 164 B HOH 212 3 HOH HOH 165 B HOH 217 3 HOH HOH 166 B HOH 218 3 HOH HOH 167 B HOH 230 3 HOH HOH 168 B HOH 231 3 HOH HOH 169 B HOH 235 3 HOH HOH 170 B HOH 236 3 HOH HOH 171 B HOH 237 3 HOH HOH 172 B HOH 238 3 HOH HOH 173 B HOH 241 3 HOH HOH 174 B HOH 242 3 HOH HOH 175 B HOH 244 3 HOH HOH 176 B HOH 245 3 HOH HOH 177 B HOH 249 3 HOH HOH 178 B HOH 250 3 HOH HOH 179 B HOH 254 3 HOH HOH 180 B HOH 255 3 HOH HOH 181 B HOH 256 3 HOH HOH 182 B HOH 9 3 HOH HOH 129 A HOH 27 3 HOH HOH 130 A HOH 79 3 HOH HOH 131 A HOH 113 3 HOH HOH 132 A HOH 120 3 HOH HOH 133 A HOH 121 3 HOH HOH 134 A HOH 122 3 HOH HOH 135 A HOH 124 3 HOH HOH 136 A HOH 126 3 HOH HOH 137 A HOH 129 3 HOH HOH 138 A HOH 135 3 HOH HOH 139 A HOH 137 3 HOH HOH 140 A HOH 138 3 HOH HOH 141 A HOH 139 3 HOH HOH 142 A HOH 140 3 HOH HOH 143 A HOH 141 3 HOH HOH 144 A HOH 145 3 HOH HOH 145 A HOH 153 3 HOH HOH 146 A HOH 158 3 HOH HOH 147 A HOH 172 3 HOH HOH 148 A HOH 174 3 HOH HOH 149 A HOH 177 3 HOH HOH 150 A HOH 178 3 HOH HOH 151 A HOH 179 3 HOH HOH 152 A HOH 182 3 HOH HOH 153 A HOH 183 3 HOH HOH 154 A HOH 185 3 HOH HOH 155 A HOH 191 3 HOH HOH 156 A HOH 193 3 HOH HOH 157 A HOH 195 3 HOH HOH 158 A HOH 197 3 HOH HOH 159 A HOH 198 3 HOH HOH 160 A HOH 200 3 HOH HOH 161 A HOH 201 3 HOH HOH 162 A HOH 202 3 HOH HOH 163 A HOH 203 3 HOH HOH 164 A HOH 211 3 HOH HOH 165 A HOH 214 3 HOH HOH 166 A HOH 215 3 HOH HOH 167 A HOH 219 3 HOH HOH 168 A HOH 220 3 HOH HOH 169 A HOH 222 3 HOH HOH 170 A HOH 227 3 HOH HOH 171 A HOH 229 3 HOH HOH 172 A HOH 232 3 HOH HOH 173 A HOH 234 3 HOH HOH 174 A HOH 239 3 HOH HOH 175 A HOH 246 3 HOH HOH 176 A HOH 247 3 HOH HOH 177 A HOH 251 3 HOH HOH 178 A HOH 252 3 HOH HOH 179 A HOH 253 3 HOH HOH 180 A ASN 1 n 1 ALA 1 B LEU 2 n 2 LEU 2 B VAL 3 n 3 VAL 3 B ASN 4 n 4 ASN 4 B PHE 5 n 5 PHE 5 B HIS 6 n 6 HIS 6 B ARG 7 n 7 ARG 7 B MET 8 n 8 MET 8 B ILE 9 n 9 ILE 9 B LYS 10 n 10 LYS 10 B LEU 11 n 11 LEU 11 B THR 12 n 12 THR 12 B THR 13 n 13 THR 13 B GLY 14 n 14 GLY 14 B LYS 15 n 15 LYS 15 B GLU 16 n 16 GLU 16 B ALA 17 n 17 ALA 17 B ALA 18 n 18 ALA 18 B LEU 19 n 19 LEU 19 B SER 20 n 20 SER 20 B TYR 21 n 21 TYR 21 B GLY 22 n 22 GLY 22 B PHE 23 n 23 PHE 23 B TYR 24 n 24 TYR 24 B GLY 25 n 25 GLY 25 B CYS 26 n 26 CYS 26 B HIS 27 n 27 HIS 27 B CYS 28 n 28 CYS 28 B GLY 29 n 29 GLY 29 B VAL 30 n 30 VAL 30 B GLY 31 n 31 GLY 31 B GLY 32 n 32 GLY 32 B ARG 33 n 33 ARG 33 B GLY 34 n 34 GLY 34 B SER 35 n 35 SER 35 B PRO 36 n 36 PRO 36 B LYS 37 n 37 LYS 37 B ASP 38 n 38 ASP 38 B ALA 39 n 39 ALA 39 B THR 40 n 40 THR 40 B ASP 41 n 41 ASP 41 B ARG 42 n 42 ARG 42 B CYS 43 n 43 CYS 43 B CYS 44 n 44 CYS 44 B VAL 45 n 45 VAL 45 B THR 46 n 46 THR 46 B GLN 47 n 47 GLN 47 B ASP 48 n 48 ASP 48 B CYS 49 n 49 CYS 49 B CYS 50 n 50 CYS 50 B TYR 51 n 51 TYR 51 B LYS 52 n 52 LYS 52 B ARG 53 n 53 ARG 53 B LEU 54 n 54 LEU 54 B GLU 55 n 55 GLU 55 B LYS 56 n 56 LYS 56 B ARG 57 n 57 ARG 57 B GLY 58 n 58 GLY 58 B CYS 59 n 59 CYS 59 B GLY 60 n 60 GLY 60 B THR 61 n 61 THR 61 B LYS 62 n 62 LYS 62 B PHE 63 n 63 PHE 63 B LEU 64 n 64 LEU 64 B SER 65 n 65 SER 65 B TYR 66 n 66 TYR 66 B LYS 67 n 67 LYS 67 B PHE 68 n 68 PHE 68 B SER 69 n 69 SER 69 B ASN 70 n 70 ASN 70 B SER 71 n 71 SER 71 B GLY 72 n 72 GLY 72 B SER 73 n 73 SER 73 B ARG 74 n 74 ARG 74 B ILE 75 n 75 ILE 75 B THR 76 n 76 THR 76 B CYS 77 n 77 CYS 77 B ALA 78 n 78 ALA 78 B LYS 79 n 79 LYS 79 B GLN 80 n 80 GLN 80 B ASP 81 n 81 ASP 81 B SER 82 n 82 SER 82 B CYS 83 n 83 CYS 83 B ARG 84 n 84 ARG 84 B SER 85 n 85 SER 85 B GLN 86 n 86 GLN 86 B LEU 87 n 87 LEU 87 B CYS 88 n 88 CYS 88 B GLU 89 n 89 GLU 89 B CYS 90 n 90 CYS 90 B ASP 91 n 91 ASP 91 B LYS 92 n 92 LYS 92 B ALA 93 n 93 ALA 93 B ALA 94 n 94 ALA 94 B ALA 95 n 95 ALA 95 B THR 96 n 96 THR 96 B CYS 97 n 97 CYS 97 B PHE 98 n 98 PHE 98 B ALA 99 n 99 ALA 99 B ARG 100 n 100 ARG 100 B ASN 101 n 101 ASN 101 B LYS 102 n 102 LYS 102 B THR 103 n 103 THR 103 B THR 104 n 104 THR 104 B TYR 105 n 105 TYR 105 B ASN 106 n 106 ASN 106 B LYS 107 n 107 LYS 107 B LYS 108 n 108 LYS 108 B TYR 109 n 109 TYR 109 B GLN 110 n 110 GLN 110 B TYR 111 n 111 TYR 111 B TYR 112 n 112 TYR 112 B SER 113 n 113 SER 113 B ASN 114 n 114 ASN 114 B LYS 115 n 115 LYS 115 B HIS 116 n 116 HIS 116 B CYS 117 n 117 CYS 117 B ARG 118 n 118 ARG 118 B GLY 119 n 119 GLY 119 B SER 120 n 120 SER 120 B THR 121 n 121 THR 121 B PRO 122 n 122 PRO 122 B ARG 123 n 123 ARG 123 B CYS 124 n 124 CYS 124 B ASN 1 n 1 ALA 1 A LEU 2 n 2 LEU 2 A VAL 3 n 3 VAL 3 A ASN 4 n 4 ASN 4 A PHE 5 n 5 PHE 5 A HIS 6 n 6 HIS 6 A ARG 7 n 7 ARG 7 A MET 8 n 8 MET 8 A ILE 9 n 9 ILE 9 A LYS 10 n 10 LYS 10 A LEU 11 n 11 LEU 11 A THR 12 n 12 THR 12 A THR 13 n 13 THR 13 A GLY 14 n 14 GLY 14 A LYS 15 n 15 LYS 15 A GLU 16 n 16 GLU 16 A ALA 17 n 17 ALA 17 A ALA 18 n 18 ALA 18 A LEU 19 n 19 LEU 19 A SER 20 n 20 SER 20 A TYR 21 n 21 TYR 21 A GLY 22 n 22 GLY 22 A PHE 23 n 23 PHE 23 A TYR 24 n 24 TYR 24 A GLY 25 n 25 GLY 25 A CYS 26 n 26 CYS 26 A HIS 27 n 27 HIS 27 A CYS 28 n 28 CYS 28 A GLY 29 n 29 GLY 29 A VAL 30 n 30 VAL 30 A GLY 31 n 31 GLY 31 A GLY 32 n 32 GLY 32 A ARG 33 n 33 ARG 33 A GLY 34 n 34 GLY 34 A SER 35 n 35 SER 35 A PRO 36 n 36 PRO 36 A LYS 37 n 37 LYS 37 A ASP 38 n 38 ASP 38 A ALA 39 n 39 ALA 39 A THR 40 n 40 THR 40 A ASP 41 n 41 ASP 41 A ARG 42 n 42 ARG 42 A CYS 43 n 43 CYS 43 A CYS 44 n 44 CYS 44 A VAL 45 n 45 VAL 45 A THR 46 n 46 THR 46 A GLN 47 n 47 GLN 47 A ASP 48 n 48 ASP 48 A CYS 49 n 49 CYS 49 A CYS 50 n 50 CYS 50 A TYR 51 n 51 TYR 51 A LYS 52 n 52 LYS 52 A ARG 53 n 53 ARG 53 A LEU 54 n 54 LEU 54 A GLU 55 n 55 GLU 55 A LYS 56 n 56 LYS 56 A ARG 57 n 57 ARG 57 A GLY 58 n 58 GLY 58 A CYS 59 n 59 CYS 59 A GLY 60 n 60 GLY 60 A THR 61 n 61 THR 61 A LYS 62 n 62 LYS 62 A PHE 63 n 63 PHE 63 A LEU 64 n 64 LEU 64 A SER 65 n 65 SER 65 A TYR 66 n 66 TYR 66 A LYS 67 n 67 LYS 67 A PHE 68 n 68 PHE 68 A SER 69 n 69 SER 69 A ASN 70 n 70 ASN 70 A SER 71 n 71 SER 71 A GLY 72 n 72 GLY 72 A SER 73 n 73 SER 73 A ARG 74 n 74 ARG 74 A ILE 75 n 75 ILE 75 A THR 76 n 76 THR 76 A CYS 77 n 77 CYS 77 A ALA 78 n 78 ALA 78 A LYS 79 n 79 LYS 79 A GLN 80 n 80 GLN 80 A ASP 81 n 81 ASP 81 A SER 82 n 82 SER 82 A CYS 83 n 83 CYS 83 A ARG 84 n 84 ARG 84 A SER 85 n 85 SER 85 A GLN 86 n 86 GLN 86 A LEU 87 n 87 LEU 87 A CYS 88 n 88 CYS 88 A GLU 89 n 89 GLU 89 A CYS 90 n 90 CYS 90 A ASP 91 n 91 ASP 91 A LYS 92 n 92 LYS 92 A ALA 93 n 93 ALA 93 A ALA 94 n 94 ALA 94 A ALA 95 n 95 ALA 95 A THR 96 n 96 THR 96 A CYS 97 n 97 CYS 97 A PHE 98 n 98 PHE 98 A ALA 99 n 99 ALA 99 A ARG 100 n 100 ARG 100 A ASN 101 n 101 ASN 101 A LYS 102 n 102 LYS 102 A THR 103 n 103 THR 103 A THR 104 n 104 THR 104 A TYR 105 n 105 TYR 105 A ASN 106 n 106 ASN 106 A LYS 107 n 107 LYS 107 A LYS 108 n 108 LYS 108 A TYR 109 n 109 TYR 109 A GLN 110 n 110 GLN 110 A TYR 111 n 111 TYR 111 A TYR 112 n 112 TYR 112 A SER 113 n 113 SER 113 A ASN 114 n 114 ASN 114 A LYS 115 n 115 LYS 115 A HIS 116 n 116 HIS 116 A CYS 117 n 117 CYS 117 A ARG 118 n 118 ARG 118 A GLY 119 n 119 GLY 119 A SER 120 n 120 SER 120 A THR 121 n 121 THR 121 A PRO 122 n 122 PRO 122 A ARG 123 n 123 ARG 123 A CYS 124 n 124 CYS 124 A author_defined_assembly 1 monomeric author_defined_assembly 1 monomeric B PHE 23 A O PHE 23 1_555 B CA 127 D CA CA 1_555 B GLY 25 A O GLY 25 1_555 93.6 B PHE 23 A O PHE 23 1_555 B CA 127 D CA CA 1_555 B TYR 112 A O TYR 112 1_555 89.3 B GLY 25 A O GLY 25 1_555 B CA 127 D CA CA 1_555 B TYR 112 A O TYR 112 1_555 99.9 B PHE 23 A O PHE 23 1_555 B CA 127 D CA CA 1_555 B ASN 114 A OD1 ASN 114 1_555 178.8 B GLY 25 A O GLY 25 1_555 B CA 127 D CA CA 1_555 B ASN 114 A OD1 ASN 114 1_555 86.2 B TYR 112 A O TYR 112 1_555 B CA 127 D CA CA 1_555 B ASN 114 A OD1 ASN 114 1_555 89.6 B PHE 23 A O PHE 23 1_555 B CA 127 D CA CA 1_555 B HOH 171 G O HOH 1_555 77.4 B GLY 25 A O GLY 25 1_555 B CA 127 D CA CA 1_555 B HOH 171 G O HOH 1_555 83.3 B TYR 112 A O TYR 112 1_555 B CA 127 D CA CA 1_555 B HOH 171 G O HOH 1_555 166.5 B ASN 114 A OD1 ASN 114 1_555 B CA 127 D CA CA 1_555 B HOH 171 G O HOH 1_555 103.7 B HIS 27 A O HIS 27 1_555 B CA 125 C CA CA 1_555 B GLY 29 A O GLY 29 1_555 98.2 B HIS 27 A O HIS 27 1_555 B CA 125 C CA CA 1_555 B GLY 31 A O GLY 31 1_555 84.4 B GLY 29 A O GLY 29 1_555 B CA 125 C CA CA 1_555 B GLY 31 A O GLY 31 1_555 97.3 B HIS 27 A O HIS 27 1_555 B CA 125 C CA CA 1_555 B ASP 48 A OD1 ASP 48 1_555 127.4 B GLY 29 A O GLY 29 1_555 B CA 125 C CA CA 1_555 B ASP 48 A OD1 ASP 48 1_555 124.7 B GLY 31 A O GLY 31 1_555 B CA 125 C CA CA 1_555 B ASP 48 A OD1 ASP 48 1_555 114.7 B HIS 27 A O HIS 27 1_555 B CA 125 C CA CA 1_555 B ASP 48 A OD2 ASP 48 1_555 95.5 B GLY 29 A O GLY 29 1_555 B CA 125 C CA CA 1_555 B ASP 48 A OD2 ASP 48 1_555 164.8 B GLY 31 A O GLY 31 1_555 B CA 125 C CA CA 1_555 B ASP 48 A OD2 ASP 48 1_555 77.6 B ASP 48 A OD1 ASP 48 1_555 B CA 125 C CA CA 1_555 B ASP 48 A OD2 ASP 48 1_555 48.4 B HIS 27 A O HIS 27 1_555 B CA 125 C CA CA 1_555 B HOH 161 G O HOH 1_555 83.0 B GLY 29 A O GLY 29 1_555 B CA 125 C CA CA 1_555 B HOH 161 G O HOH 1_555 110.6 B GLY 31 A O GLY 31 1_555 B CA 125 C CA CA 1_555 B HOH 161 G O HOH 1_555 150.8 B ASP 48 A OD1 ASP 48 1_555 B CA 125 C CA CA 1_555 B HOH 161 G O HOH 1_555 56.0 B ASP 48 A OD2 ASP 48 1_555 B CA 125 C CA CA 1_555 B HOH 161 G O HOH 1_555 77.5 A PHE 23 B O PHE 23 1_555 A CA 128 F CA CA 1_555 A GLY 25 B O GLY 25 1_555 103.0 A PHE 23 B O PHE 23 1_555 A CA 128 F CA CA 1_555 A TYR 112 B O TYR 112 1_555 95.3 A GLY 25 B O GLY 25 1_555 A CA 128 F CA CA 1_555 A TYR 112 B O TYR 112 1_555 102.8 A PHE 23 B O PHE 23 1_555 A CA 128 F CA CA 1_555 A ASN 114 B ND2 ASN 114 1_555 170.0 A GLY 25 B O GLY 25 1_555 A CA 128 F CA CA 1_555 A ASN 114 B ND2 ASN 114 1_555 85.0 A TYR 112 B O TYR 112 1_555 A CA 128 F CA CA 1_555 A ASN 114 B ND2 ASN 114 1_555 88.8 A PHE 23 B O PHE 23 1_555 A CA 128 F CA CA 1_555 A HOH 165 H O HOH 1_555 85.8 A GLY 25 B O GLY 25 1_555 A CA 128 F CA CA 1_555 A HOH 165 H O HOH 1_555 83.6 A TYR 112 B O TYR 112 1_555 A CA 128 F CA CA 1_555 A HOH 165 H O HOH 1_555 173.0 A ASN 114 B ND2 ASN 114 1_555 A CA 128 F CA CA 1_555 A HOH 165 H O HOH 1_555 89.0 A PHE 23 B O PHE 23 1_555 A CA 128 F CA CA 1_555 A HOH 166 H O HOH 1_555 89.8 A GLY 25 B O GLY 25 1_555 A CA 128 F CA CA 1_555 A HOH 166 H O HOH 1_555 159.2 A TYR 112 B O TYR 112 1_555 A CA 128 F CA CA 1_555 A HOH 166 H O HOH 1_555 92.2 A ASN 114 B ND2 ASN 114 1_555 A CA 128 F CA CA 1_555 A HOH 166 H O HOH 1_555 80.9 A HOH 165 H O HOH 1_555 A CA 128 F CA CA 1_555 A HOH 166 H O HOH 1_555 80.9 A HIS 27 B O HIS 27 1_555 A CA 126 E CA CA 1_555 A GLY 29 B O GLY 29 1_555 107.8 A HIS 27 B O HIS 27 1_555 A CA 126 E CA CA 1_555 A GLY 31 B O GLY 31 1_555 79.7 A GLY 29 B O GLY 29 1_555 A CA 126 E CA CA 1_555 A GLY 31 B O GLY 31 1_555 94.0 A HIS 27 B O HIS 27 1_555 A CA 126 E CA CA 1_555 A ASP 48 B OD1 ASP 48 1_555 130.3 A GLY 29 B O GLY 29 1_555 A CA 126 E CA CA 1_555 A ASP 48 B OD1 ASP 48 1_555 108.1 A GLY 31 B O GLY 31 1_555 A CA 126 E CA CA 1_555 A ASP 48 B OD1 ASP 48 1_555 129.9 A HIS 27 B O HIS 27 1_555 A CA 126 E CA CA 1_555 A ASP 48 B OD2 ASP 48 1_555 98.9 A GLY 29 B O GLY 29 1_555 A CA 126 E CA CA 1_555 A ASP 48 B OD2 ASP 48 1_555 153.1 A GLY 31 B O GLY 31 1_555 A CA 126 E CA CA 1_555 A ASP 48 B OD2 ASP 48 1_555 94.1 A ASP 48 B OD1 ASP 48 1_555 A CA 126 E CA CA 1_555 A ASP 48 B OD2 ASP 48 1_555 48.6 A HIS 27 B O HIS 27 1_555 A CA 126 E CA CA 1_555 A HOH 140 H O HOH 1_555 89.0 A GLY 29 B O GLY 29 1_555 A CA 126 E CA CA 1_555 A HOH 140 H O HOH 1_555 88.7 A GLY 31 B O GLY 31 1_555 A CA 126 E CA CA 1_555 A HOH 140 H O HOH 1_555 168.7 A ASP 48 B OD1 ASP 48 1_555 A CA 126 E CA CA 1_555 A HOH 140 H O HOH 1_555 58.9 A ASP 48 B OD2 ASP 48 1_555 A CA 126 E CA CA 1_555 A HOH 140 H O HOH 1_555 88.3 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 B N SER 69 A N SER 69 B O THR 76 A O THR 76 A N SER 69 B N SER 69 A O THR 76 B O THR 76 1 B GLY 58 -11.29 1 B SER 113 -12.34 1 B THR 121 -18.33 1 B B C N PHE LEU 63 64 1.18 1 B B C N ARG CYS 123 124 1.60 1 A A C N HIS CYS 27 28 1.61 1 -17.58 2.20 113.40 95.82 B B B CA CB CG LYS LYS LYS 56 56 56 N 1 -16.48 2.60 111.60 95.12 B B B CB CG CD LYS LYS LYS 56 56 56 N 1 15.95 0.90 118.30 134.25 B B B CB CG OD1 ASP ASP ASP 81 81 81 N 1 -17.17 0.90 118.30 101.13 B B B CB CG OD2 ASP ASP ASP 81 81 81 N 1 -16.98 1.60 122.70 105.72 B B B O C N SER SER ASN 113 113 114 Y 1 18.53 2.70 111.00 129.53 B B B N CA C ASN ASN ASN 114 114 114 N 1 -18.16 1.90 121.10 102.94 B B B O C N THR THR PRO 121 121 122 Y 1 12.72 1.60 122.70 135.42 B B B O C N PRO PRO ARG 122 122 123 Y 1 -29.93 2.20 117.20 87.27 B B B CA C N ARG ARG CYS 123 123 124 Y 1 27.53 1.60 122.70 150.23 B B B O C N ARG ARG CYS 123 123 124 Y 1 -20.82 2.50 121.70 100.88 B B B C N CA ARG CYS CYS 123 124 124 Y 1 -15.21 1.60 122.70 107.49 A A A O C N ARG ARG MET 7 7 8 Y 1 20.87 2.70 111.00 131.87 A A A N CA C CYS CYS CYS 28 28 28 N 1 11.43 1.60 122.70 134.13 A A A O C N GLN GLN ASP 80 80 81 Y 1 -11.49 1.40 123.60 112.11 A A A CD NE CZ ARG ARG ARG 118 118 118 N 1 B B C N GLY CYS 58 59 0.186 0.023 1.336 1.522 Y 1 B B C N PHE LEU 63 64 -0.153 0.023 1.336 1.183 Y 1 B B N CA SER SER 113 113 -0.140 0.020 1.459 1.319 N 1 B B CA C ASN ASN 114 114 -0.165 0.026 1.525 1.360 N 1 B B C N ARG CYS 123 124 0.266 0.023 1.336 1.602 Y 1 A A C N HIS CYS 27 28 0.271 0.023 1.336 1.607 Y 1 A A N CA CYS CYS 28 28 -0.211 0.020 1.459 1.248 N 1 A A CG CD2 HIS HIS 116 116 0.085 0.009 1.354 1.439 N 1 B LYS 62 -76.88 -71.12 1 B TYR 111 -118.58 56.11 1 B ASN 114 -41.15 -19.80 1 B ARG 123 52.62 129.96 1 A THR 61 -137.34 -69.87 protein_rep.param ion.param water_rep.param 2.458 0 -2.024 -1.115 0 -1.342 0.2066 0.1842 1.5 20 1633 39135 32907 Random 1 THROUGHOUT 2 2 MOLECULAR REPLACEMENT Engh & Huber 1.5 20 107 2041 4 0 1930 1.253 1.5 1.807 2 2.078 2 3.046 2.5 1.5 20 1N28 39135 32907 2 2 1 84.1 1.50 1.58 79.1 data reduction MOSFLM data scaling SCALA refinement CNS data scaling CCP4 (SCALA) phasing CNS Crystal structure of the H48Q mutant of human group IIA phospholipase A2 1 N N 1 N N 2 N N 2 N N 2 N N 2 N N 3 N N 3 N N B GLU 16 A GLU 16 HELX_P B GLY 22 A GLY 22 1 2 7 B ASP 38 A ASP 38 HELX_P B ARG 57 A ARG 57 1 3 20 B ASP 81 A ASP 81 HELX_P B ASN 101 A ASN 101 1 4 21 B LYS 102 A LYS 102 HELX_P B TYR 105 A TYR 105 5 5 4 B ASN 106 A ASN 106 HELX_P B GLN 110 A GLN 110 5 6 5 B SER 113 A SER 113 HELX_P B CYS 117 A CYS 117 5 7 5 A GLU 16 B GLU 16 HELX_P A GLY 22 B GLY 22 1 9 7 A ASP 38 B ASP 38 HELX_P A ARG 57 B ARG 57 1 10 20 A ASP 81 B ASP 81 HELX_P A ASN 101 B ASN 101 1 11 21 A LYS 102 B LYS 102 HELX_P A TYR 105 B TYR 105 5 12 4 A ASN 106 B ASN 106 HELX_P A GLN 110 B GLN 110 5 13 5 A SER 113 B SER 113 HELX_P A CYS 117 B CYS 117 5 14 5 disulf 2.017 B CYS 26 A SG CYS 26 1_555 B CYS 117 A SG CYS 117 1_555 disulf 1.993 B CYS 28 A SG CYS 28 1_555 B CYS 44 A SG CYS 44 1_555 disulf 2.024 B CYS 43 A SG CYS 43 1_555 B CYS 97 A SG CYS 97 1_555 disulf 2.018 B CYS 49 A SG CYS 49 1_555 B CYS 124 A SG CYS 124 1_555 disulf 2.030 B CYS 50 A SG CYS 50 1_555 B CYS 90 A SG CYS 90 1_555 disulf 1.897 B CYS 59 A SG CYS 59 1_555 B CYS 83 A SG CYS 83 1_555 disulf 2.033 B CYS 77 A SG CYS 77 1_555 B CYS 88 A SG CYS 88 1_555 disulf 2.026 A CYS 26 B SG CYS 26 1_555 A CYS 117 B SG CYS 117 1_555 disulf 1.867 A CYS 28 B SG CYS 28 1_555 A CYS 44 B SG CYS 44 1_555 disulf 2.027 A CYS 43 B SG CYS 43 1_555 A CYS 97 B SG CYS 97 1_555 disulf 2.031 A CYS 49 B SG CYS 49 1_555 A CYS 124 B SG CYS 124 1_555 disulf 2.030 A CYS 50 B SG CYS 50 1_555 A CYS 90 B SG CYS 90 1_555 disulf 2.030 A CYS 59 B SG CYS 59 1_555 A CYS 83 B SG CYS 83 1_555 disulf 2.020 A CYS 77 B SG CYS 77 1_555 A CYS 88 B SG CYS 88 1_555 metalc 2.612 B PHE 23 A O PHE 23 1_555 B CA 127 D CA CA 1_555 metalc 2.208 B GLY 25 A O GLY 25 1_555 B CA 127 D CA CA 1_555 metalc 2.216 B HIS 27 A O HIS 27 1_555 B CA 125 C CA CA 1_555 metalc 2.365 B GLY 29 A O GLY 29 1_555 B CA 125 C CA CA 1_555 metalc 2.342 B GLY 31 A O GLY 31 1_555 B CA 125 C CA CA 1_555 metalc 2.777 B ASP 48 A OD1 ASP 48 1_555 B CA 125 C CA CA 1_555 metalc 2.545 B ASP 48 A OD2 ASP 48 1_555 B CA 125 C CA CA 1_555 metalc 2.219 B TYR 112 A O TYR 112 1_555 B CA 127 D CA CA 1_555 metalc 2.859 B ASN 114 A OD1 ASN 114 1_555 B CA 127 D CA CA 1_555 metalc 2.475 B CA 125 C CA CA 1_555 B HOH 161 G O HOH 1_555 metalc 2.371 B CA 127 D CA CA 1_555 B HOH 171 G O HOH 1_555 metalc 2.474 A PHE 23 B O PHE 23 1_555 A CA 128 F CA CA 1_555 metalc 2.101 A GLY 25 B O GLY 25 1_555 A CA 128 F CA CA 1_555 metalc 2.241 A HIS 27 B O HIS 27 1_555 A CA 126 E CA CA 1_555 metalc 2.358 A GLY 29 B O GLY 29 1_555 A CA 126 E CA CA 1_555 metalc 2.527 A GLY 31 B O GLY 31 1_555 A CA 126 E CA CA 1_555 metalc 2.888 A ASP 48 B OD1 ASP 48 1_555 A CA 126 E CA CA 1_555 metalc 2.241 A ASP 48 B OD2 ASP 48 1_555 A CA 126 E CA CA 1_555 metalc 2.257 A TYR 112 B O TYR 112 1_555 A CA 128 F CA CA 1_555 metalc 2.607 A ASN 114 B ND2 ASN 114 1_555 A CA 128 F CA CA 1_555 metalc 2.532 A CA 126 E CA CA 1_555 A HOH 140 H O HOH 1_555 metalc 2.399 A CA 128 F CA CA 1_555 A HOH 165 H O HOH 1_555 metalc 2.571 A CA 128 F CA CA 1_555 A HOH 166 H O HOH 1_555 HYDROLASE hydrolase PA2GA_HUMAN UNP 1 21 P14555 NLVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTHDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC 21 144 1N28 1 124 P14555 B 1 1 124 21 144 1N28 1 124 P14555 A 1 1 124 1 ASN engineered mutation ALA 1 1N28 B P14555 UNP 21 1 1 HIS engineered mutation GLN 47 1N28 B P14555 UNP 67 47 2 ASN engineered mutation ALA 1 1N28 A P14555 UNP 21 1 2 HIS engineered mutation GLN 47 1N28 A P14555 UNP 67 47 2 2 anti-parallel anti-parallel B PHE 68 A PHE 68 B SER 71 A SER 71 B ARG 74 A ARG 74 B CYS 77 A CYS 77 A PHE 68 B PHE 68 A SER 69 B SER 69 A THR 76 B THR 76 A CYS 77 B CYS 77 BINDING SITE FOR RESIDUE CA B 125 B CA 125 Software 5 BINDING SITE FOR RESIDUE CA A 126 A CA 126 Software 5 BINDING SITE FOR RESIDUE CA B 127 B CA 127 Software 5 BINDING SITE FOR RESIDUE CA A 128 A CA 128 Software 6 B HIS 27 A HIS 27 5 1_555 B GLY 29 A GLY 29 5 1_555 B GLY 31 A GLY 31 5 1_555 B ASP 48 A ASP 48 5 1_555 B HOH 161 G HOH 5 1_555 A HIS 27 B HIS 27 5 1_555 A GLY 29 B GLY 29 5 1_555 A GLY 31 B GLY 31 5 1_555 A ASP 48 B ASP 48 5 1_555 A HOH 140 H HOH 5 1_555 B PHE 23 A PHE 23 5 1_555 B GLY 25 A GLY 25 5 1_555 B TYR 112 A TYR 112 5 1_555 B ASN 114 A ASN 114 5 1_555 B HOH 171 G HOH 5 1_555 A PHE 23 B PHE 23 6 1_555 A GLY 25 B GLY 25 6 1_555 A TYR 112 B TYR 112 6 1_555 A ASN 114 B ASN 114 6 1_555 A HOH 165 H HOH 6 1_555 A HOH 166 H HOH 6 1_555 5 C 1 2 1