0.006730 0.000000 0.000000 0.000000 0.006730 0.000000 0.000000 0.000000 0.006730 0.00000 0.00000 0.00000 Buffalo, C.Z. Bahn-Suh, A.J. Ghosh, P. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 24 90.00 90.00 90.00 148.598 148.598 148.598 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 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 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 Nat Microbiol 2058-5276 1 16155 16155 10.1038/nmicrobiol.2016.155 27595425 Conserved patterns hidden within group A Streptococcus M protein hypervariability recognize human C4b-binding protein. 2016 100 1 CCD 2014-04-14 ADSC QUANTUM 315r SINGLE WAVELENGTH M x-ray 1 0.979 1.0 8.2.1 ALS 0.979 SYNCHROTRON ALS BEAMLINE 8.2.1 12500.826 M protein, serotype 2.1 UNP residues 42-141 1 man polymer 14163.894 C4b-binding protein alpha chain UNP residues 49-172 1 man polymer 18.015 water 132 nat water C4bp,Proline-rich protein,PRP no no GPGSNSKNPVPVKKEAKLSEAELHDKIAALEEEKAELFEKLDKVEEEHKKVEEEHKKDHEKLEKKSEDVERHYLRQLDQE YKEQQERQKNLEELERQSQREVEK GPGSNSKNPVPVKKEAKLSEAELHDKIAALEEEKAELFEKLDKVEEEHKKVEEEHKKDHEKLEKKSEDVERHYLRQLDQE YKEQQERQKNLEELERQSQREVEK A polypeptide(L) no no GPGSNCGPPPTLSFAAPMDITLTETRFKTGTTLKYTCLPGYVRSHSTQTLTCNSDGEWVYNTFCIYKRCRHPGELRNGQV EIKTDLSFGSQIEFSCSEGFFLIGSTTSRCEVQDRGVGWSHPLPQCEI GPGSNCGPPPTLSFAAPMDITLTETRFKTGTTLKYTCLPGYVRSHSTQTLTCNSDGEWVYNTFCIYKRCRHPGELRNGQV EIKTDLSFGSQIEFSCSEGFFLIGSTTSRCEVQDRGVGWSHPLPQCEI B 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 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 sample 1 104 emmL2.1 1314 Streptococcus pyogenes 562 Escherichia coli Biological sequence Human sample 1 128 C4BPA, C4BP 9606 Homo sapiens 562 Escherichia coli Biological sequence 1 5.13 76.01 VAPOR DIFFUSION 7.0 1.5 M Ammonium Sulfate, 0.1 M Bis-Tris Propane pH 7.0 293 repository Initial release Database references 1 0 2016-07-20 1 1 2016-10-26 N RCSB Y RCSB 2016-02-04 REL REL HOH water HOH 82 3 HOH HOH 201 A HOH 38 3 HOH HOH 202 A HOH 7 3 HOH HOH 203 A HOH 52 3 HOH HOH 204 A HOH 10 3 HOH HOH 205 A HOH 96 3 HOH HOH 206 A HOH 62 3 HOH HOH 207 A HOH 39 3 HOH HOH 208 A HOH 131 3 HOH HOH 209 A HOH 1 3 HOH HOH 210 A HOH 55 3 HOH HOH 211 A HOH 88 3 HOH HOH 212 A HOH 27 3 HOH HOH 213 A HOH 107 3 HOH HOH 214 A HOH 121 3 HOH HOH 215 A HOH 83 3 HOH HOH 216 A HOH 117 3 HOH HOH 217 A HOH 118 3 HOH HOH 218 A HOH 49 3 HOH HOH 219 A HOH 71 3 HOH HOH 220 A HOH 75 3 HOH HOH 221 A HOH 128 3 HOH HOH 222 A HOH 119 3 HOH HOH 223 A HOH 78 3 HOH HOH 201 B HOH 67 3 HOH HOH 202 B HOH 68 3 HOH HOH 203 B HOH 94 3 HOH HOH 204 B HOH 34 3 HOH HOH 205 B HOH 36 3 HOH HOH 206 B HOH 101 3 HOH HOH 207 B HOH 20 3 HOH HOH 208 B HOH 93 3 HOH HOH 209 B HOH 79 3 HOH HOH 210 B HOH 25 3 HOH HOH 211 B HOH 73 3 HOH HOH 212 B HOH 21 3 HOH HOH 213 B HOH 59 3 HOH HOH 214 B HOH 17 3 HOH HOH 215 B HOH 26 3 HOH HOH 216 B HOH 129 3 HOH HOH 217 B HOH 109 3 HOH HOH 218 B HOH 13 3 HOH HOH 219 B HOH 43 3 HOH HOH 220 B HOH 48 3 HOH HOH 221 B HOH 106 3 HOH HOH 222 B HOH 76 3 HOH HOH 223 B HOH 132 3 HOH HOH 224 B HOH 11 3 HOH HOH 225 B HOH 89 3 HOH HOH 226 B HOH 24 3 HOH HOH 227 B HOH 47 3 HOH HOH 228 B HOH 2 3 HOH HOH 229 B HOH 29 3 HOH HOH 230 B HOH 74 3 HOH HOH 231 B HOH 123 3 HOH HOH 232 B HOH 85 3 HOH HOH 233 B HOH 9 3 HOH HOH 234 B HOH 61 3 HOH HOH 235 B HOH 66 3 HOH HOH 236 B HOH 124 3 HOH HOH 237 B HOH 53 3 HOH HOH 238 B HOH 32 3 HOH HOH 239 B HOH 31 3 HOH HOH 240 B HOH 5 3 HOH HOH 241 B HOH 3 3 HOH HOH 242 B HOH 15 3 HOH HOH 243 B HOH 40 3 HOH HOH 244 B HOH 84 3 HOH HOH 245 B HOH 99 3 HOH HOH 246 B HOH 45 3 HOH HOH 247 B HOH 42 3 HOH HOH 248 B HOH 72 3 HOH HOH 249 B HOH 12 3 HOH HOH 250 B HOH 4 3 HOH HOH 251 B HOH 8 3 HOH HOH 252 B HOH 95 3 HOH HOH 253 B HOH 63 3 HOH HOH 254 B HOH 105 3 HOH HOH 255 B HOH 126 3 HOH HOH 256 B HOH 18 3 HOH HOH 257 B HOH 37 3 HOH HOH 258 B HOH 6 3 HOH HOH 259 B HOH 28 3 HOH HOH 260 B HOH 60 3 HOH HOH 261 B HOH 41 3 HOH HOH 262 B HOH 114 3 HOH HOH 263 B HOH 30 3 HOH HOH 264 B HOH 65 3 HOH HOH 265 B HOH 115 3 HOH HOH 266 B HOH 64 3 HOH HOH 267 B HOH 70 3 HOH HOH 268 B HOH 19 3 HOH HOH 269 B HOH 108 3 HOH HOH 270 B HOH 35 3 HOH HOH 271 B HOH 23 3 HOH HOH 272 B HOH 46 3 HOH HOH 273 B HOH 116 3 HOH HOH 274 B HOH 90 3 HOH HOH 275 B HOH 69 3 HOH HOH 276 B HOH 77 3 HOH HOH 277 B HOH 50 3 HOH HOH 278 B HOH 110 3 HOH HOH 279 B HOH 97 3 HOH HOH 280 B HOH 14 3 HOH HOH 281 B HOH 80 3 HOH HOH 282 B HOH 51 3 HOH HOH 283 B HOH 54 3 HOH HOH 284 B HOH 81 3 HOH HOH 285 B HOH 44 3 HOH HOH 286 B HOH 113 3 HOH HOH 287 B HOH 86 3 HOH HOH 288 B HOH 91 3 HOH HOH 289 B HOH 127 3 HOH HOH 290 B HOH 112 3 HOH HOH 291 B HOH 33 3 HOH HOH 292 B HOH 111 3 HOH HOH 293 B HOH 16 3 HOH HOH 294 B HOH 122 3 HOH HOH 295 B HOH 130 3 HOH HOH 296 B HOH 102 3 HOH HOH 297 B HOH 125 3 HOH HOH 298 B HOH 58 3 HOH HOH 299 B HOH 92 3 HOH HOH 300 B HOH 98 3 HOH HOH 301 B HOH 22 3 HOH HOH 302 B HOH 120 3 HOH HOH 303 B HOH 104 3 HOH HOH 304 B HOH 56 3 HOH HOH 305 B HOH 103 3 HOH HOH 306 B HOH 57 3 HOH HOH 307 B HOH 100 3 HOH HOH 308 B HOH 87 3 HOH HOH 309 B n 1 38 A n 2 39 A n 3 40 A n 4 41 A n 5 42 A n 6 43 A n 7 44 A n 8 45 A n 9 46 A n 10 47 A n 11 48 A n 12 49 A n 13 50 A n 14 51 A n 15 52 A ALA 53 n 16 ALA 53 A LYS 54 n 17 LYS 54 A LEU 55 n 18 LEU 55 A SER 56 n 19 SER 56 A GLU 57 n 20 GLU 57 A ALA 58 n 21 ALA 58 A GLU 59 n 22 GLU 59 A LEU 60 n 23 LEU 60 A HIS 61 n 24 HIS 61 A ASP 62 n 25 ASP 62 A LYS 63 n 26 LYS 63 A ILE 64 n 27 ILE 64 A ALA 65 n 28 ALA 65 A ALA 66 n 29 ALA 66 A LEU 67 n 30 LEU 67 A GLU 68 n 31 GLU 68 A GLU 69 n 32 GLU 69 A GLU 70 n 33 GLU 70 A LYS 71 n 34 LYS 71 A ALA 72 n 35 ALA 72 A GLU 73 n 36 GLU 73 A LEU 74 n 37 LEU 74 A PHE 75 n 38 PHE 75 A GLU 76 n 39 GLU 76 A LYS 77 n 40 LYS 77 A LEU 78 n 41 LEU 78 A ASP 79 n 42 ASP 79 A LYS 80 n 43 LYS 80 A VAL 81 n 44 VAL 81 A GLU 82 n 45 GLU 82 A GLU 83 n 46 GLU 83 A GLU 84 n 47 GLU 84 A HIS 85 n 48 HIS 85 A LYS 86 n 49 LYS 86 A n 50 87 A n 51 88 A n 52 89 A n 53 90 A n 54 91 A n 55 92 A n 56 93 A n 57 94 A n 58 95 A n 59 96 A n 60 97 A n 61 98 A n 62 99 A n 63 100 A n 64 101 A n 65 102 A n 66 103 A n 67 104 A n 68 105 A n 69 106 A n 70 107 A n 71 108 A n 72 109 A n 73 110 A n 74 111 A n 75 112 A n 76 113 A n 77 114 A n 78 115 A n 79 116 A n 80 117 A n 81 118 A n 82 119 A n 83 120 A n 84 121 A n 85 122 A n 86 123 A n 87 124 A n 88 125 A n 89 126 A n 90 127 A n 91 128 A n 92 129 A n 93 130 A n 94 131 A n 95 132 A n 96 133 A n 97 134 A n 98 135 A n 99 136 A n 100 137 A n 101 138 A n 102 139 A n 103 140 A n 104 141 A n 1 -3 B n 2 -2 B n 3 -1 B SER 0 n 4 SER 0 B ASN 1 n 5 ASN 1 B CYS 2 n 6 CYS 2 B GLY 3 n 7 GLY 3 B PRO 4 n 8 PRO 4 B PRO 5 n 9 PRO 5 B PRO 6 n 10 PRO 6 B THR 7 n 11 THR 7 B LEU 8 n 12 LEU 8 B SER 9 n 13 SER 9 B PHE 10 n 14 PHE 10 B ALA 11 n 15 ALA 11 B ALA 12 n 16 ALA 12 B PRO 13 n 17 PRO 13 B MET 14 n 18 MET 14 B ASP 15 n 19 ASP 15 B ILE 16 n 20 ILE 16 B THR 17 n 21 THR 17 B LEU 18 n 22 LEU 18 B THR 19 n 23 THR 19 B GLU 20 n 24 GLU 20 B THR 21 n 25 THR 21 B ARG 22 n 26 ARG 22 B PHE 23 n 27 PHE 23 B LYS 24 n 28 LYS 24 B THR 25 n 29 THR 25 B GLY 26 n 30 GLY 26 B THR 27 n 31 THR 27 B THR 28 n 32 THR 28 B LEU 29 n 33 LEU 29 B LYS 30 n 34 LYS 30 B TYR 31 n 35 TYR 31 B THR 32 n 36 THR 32 B CYS 33 n 37 CYS 33 B LEU 34 n 38 LEU 34 B PRO 35 n 39 PRO 35 B GLY 36 n 40 GLY 36 B TYR 37 n 41 TYR 37 B VAL 38 n 42 VAL 38 B ARG 39 n 43 ARG 39 B SER 40 n 44 SER 40 B HIS 41 n 45 HIS 41 B SER 42 n 46 SER 42 B THR 43 n 47 THR 43 B GLN 44 n 48 GLN 44 B THR 45 n 49 THR 45 B LEU 46 n 50 LEU 46 B THR 47 n 51 THR 47 B CYS 48 n 52 CYS 48 B ASN 49 n 53 ASN 49 B SER 50 n 54 SER 50 B ASP 51 n 55 ASP 51 B GLY 52 n 56 GLY 52 B GLU 53 n 57 GLU 53 B TRP 54 n 58 TRP 54 B VAL 55 n 59 VAL 55 B TYR 56 n 60 TYR 56 B ASN 57 n 61 ASN 57 B THR 58 n 62 THR 58 B PHE 59 n 63 PHE 59 B CYS 60 n 64 CYS 60 B ILE 61 n 65 ILE 61 B TYR 62 n 66 TYR 62 B LYS 63 n 67 LYS 63 B ARG 64 n 68 ARG 64 B CYS 65 n 69 CYS 65 B ARG 66 n 70 ARG 66 B HIS 67 n 71 HIS 67 B PRO 68 n 72 PRO 68 B GLY 69 n 73 GLY 69 B GLU 70 n 74 GLU 70 B LEU 71 n 75 LEU 71 B ARG 72 n 76 ARG 72 B ASN 73 n 77 ASN 73 B GLY 74 n 78 GLY 74 B GLN 75 n 79 GLN 75 B VAL 76 n 80 VAL 76 B GLU 77 n 81 GLU 77 B ILE 78 n 82 ILE 78 B LYS 79 n 83 LYS 79 B THR 80 n 84 THR 80 B ASP 81 n 85 ASP 81 B LEU 82 n 86 LEU 82 B SER 83 n 87 SER 83 B PHE 84 n 88 PHE 84 B GLY 85 n 89 GLY 85 B SER 86 n 90 SER 86 B GLN 87 n 91 GLN 87 B ILE 88 n 92 ILE 88 B GLU 89 n 93 GLU 89 B PHE 90 n 94 PHE 90 B SER 91 n 95 SER 91 B CYS 92 n 96 CYS 92 B SER 93 n 97 SER 93 B GLU 94 n 98 GLU 94 B GLY 95 n 99 GLY 95 B PHE 96 n 100 PHE 96 B PHE 97 n 101 PHE 97 B LEU 98 n 102 LEU 98 B ILE 99 n 103 ILE 99 B GLY 100 n 104 GLY 100 B SER 101 n 105 SER 101 B THR 102 n 106 THR 102 B THR 103 n 107 THR 103 B SER 104 n 108 SER 104 B ARG 105 n 109 ARG 105 B CYS 106 n 110 CYS 106 B GLU 107 n 111 GLU 107 B VAL 108 n 112 VAL 108 B GLN 109 n 113 GLN 109 B ASP 110 n 114 ASP 110 B ARG 111 n 115 ARG 111 B GLY 112 n 116 GLY 112 B VAL 113 n 117 VAL 113 B GLY 114 n 118 GLY 114 B TRP 115 n 119 TRP 115 B SER 116 n 120 SER 116 B HIS 117 n 121 HIS 117 B PRO 118 n 122 PRO 118 B LEU 119 n 123 LEU 119 B PRO 120 n 124 PRO 120 B GLN 121 n 125 GLN 121 B CYS 122 n 126 CYS 122 B GLU 123 n 127 GLU 123 B ILE 124 n 128 ILE 124 B 7.7316 0.2339 1.3160 2.1555 0.4313 5.8220 -0.1585 -0.8487 -1.3668 0.2979 -0.1199 0.3268 1.9439 -0.8488 0.2938 0.8806 0.0986 0.2326 1.0216 0.4382 0.7369 refined 44.3716 46.5692 85.9653 X-RAY DIFFRACTION 3.8089 0.5913 0.6753 4.2175 -2.5876 5.3894 -0.1907 0.8825 0.2016 -0.9691 0.7516 0.8474 0.6852 -0.9941 -0.3334 0.5853 -0.2991 0.0595 0.5888 0.2146 0.4409 refined 33.2422 54.6855 63.9281 X-RAY DIFFRACTION 2.6047 -3.0643 4.0220 5.3926 -4.8272 6.2173 0.1008 0.4221 0.5575 -0.1856 0.2707 0.5264 0.2840 -0.6441 -0.3703 0.3502 0.0076 0.0369 0.6691 0.3827 0.6592 refined 35.4887 71.3558 51.6476 X-RAY DIFFRACTION 8.3267 -2.5230 3.2299 3.2517 -1.1942 4.8428 0.1558 -0.1137 -0.0156 0.1977 0.0326 -0.0800 0.6946 0.3835 -0.1521 0.3910 0.0749 0.1429 0.1848 0.0362 0.2298 refined 58.3744 54.7479 72.2231 X-RAY DIFFRACTION X-RAY DIFFRACTION 1 chain 'A' and (resid 53 through 57 ) X-RAY DIFFRACTION 2 chain 'A' and (resid 58 through 86 ) X-RAY DIFFRACTION 3 chain 'B' and (resid 0 through 59 ) X-RAY DIFFRACTION 4 chain 'B' and (resid 60 through 124 ) author_defined_assembly 4 tetrameric 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 0.0000000000 0.0000000000 1.0000000000 0.0000000000 -1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 22_455 z-1/4,-y+3/4,x+1/4 crystal symmetry operation -37.1495000000 111.4485000000 37.1495000000 B N ALA 12 B N ALA 16 B O THR 32 B O THR 36 B N LEU 29 B N LEU 33 B O LEU 46 B O LEU 50 B N THR 47 B N THR 51 B O VAL 55 B O VAL 59 B N VAL 38 B N VAL 42 B O ILE 61 B O ILE 65 B N GLU 77 B N GLU 81 B O GLU 89 B O GLU 93 B N ILE 88 B N ILE 92 B O SER 104 B O SER 108 B N GLU 107 B N GLU 111 B O GLY 114 B O GLY 118 B N PHE 97 B N PHE 101 B O GLU 123 B O GLU 127 1 B HOH 289 D HOH 1 B HOH 302 D HOH 1 A GLY 38 A GLY 1 1 Y 1 A PRO 39 A PRO 2 1 Y 1 A GLY 40 A GLY 3 1 Y 1 A SER 41 A SER 4 1 Y 1 A ASN 42 A ASN 5 1 Y 1 A SER 43 A SER 6 1 Y 1 A LYS 44 A LYS 7 1 Y 1 A ASN 45 A ASN 8 1 Y 1 A PRO 46 A PRO 9 1 Y 1 A VAL 47 A VAL 10 1 Y 1 A PRO 48 A PRO 11 1 Y 1 A VAL 49 A VAL 12 1 Y 1 A LYS 50 A LYS 13 1 Y 1 A LYS 51 A LYS 14 1 Y 1 A GLU 52 A GLU 15 1 Y 1 A LYS 87 A LYS 50 1 Y 1 A VAL 88 A VAL 51 1 Y 1 A GLU 89 A GLU 52 1 Y 1 A GLU 90 A GLU 53 1 Y 1 A GLU 91 A GLU 54 1 Y 1 A HIS 92 A HIS 55 1 Y 1 A LYS 93 A LYS 56 1 Y 1 A LYS 94 A LYS 57 1 Y 1 A ASP 95 A ASP 58 1 Y 1 A HIS 96 A HIS 59 1 Y 1 A GLU 97 A GLU 60 1 Y 1 A LYS 98 A LYS 61 1 Y 1 A LEU 99 A LEU 62 1 Y 1 A GLU 100 A GLU 63 1 Y 1 A LYS 101 A LYS 64 1 Y 1 A LYS 102 A LYS 65 1 Y 1 A SER 103 A SER 66 1 Y 1 A GLU 104 A GLU 67 1 Y 1 A ASP 105 A ASP 68 1 Y 1 A VAL 106 A VAL 69 1 Y 1 A GLU 107 A GLU 70 1 Y 1 A ARG 108 A ARG 71 1 Y 1 A HIS 109 A HIS 72 1 Y 1 A TYR 110 A TYR 73 1 Y 1 A LEU 111 A LEU 74 1 Y 1 A ARG 112 A ARG 75 1 Y 1 A GLN 113 A GLN 76 1 Y 1 A LEU 114 A LEU 77 1 Y 1 A ASP 115 A ASP 78 1 Y 1 A GLN 116 A GLN 79 1 Y 1 A GLU 117 A GLU 80 1 Y 1 A TYR 118 A TYR 81 1 Y 1 A LYS 119 A LYS 82 1 Y 1 A GLU 120 A GLU 83 1 Y 1 A GLN 121 A GLN 84 1 Y 1 A GLN 122 A GLN 85 1 Y 1 A GLU 123 A GLU 86 1 Y 1 A ARG 124 A ARG 87 1 Y 1 A GLN 125 A GLN 88 1 Y 1 A LYS 126 A LYS 89 1 Y 1 A ASN 127 A ASN 90 1 Y 1 A LEU 128 A LEU 91 1 Y 1 A GLU 129 A GLU 92 1 Y 1 A GLU 130 A GLU 93 1 Y 1 A LEU 131 A LEU 94 1 Y 1 A GLU 132 A GLU 95 1 Y 1 A ARG 133 A ARG 96 1 Y 1 A GLN 134 A GLN 97 1 Y 1 A SER 135 A SER 98 1 Y 1 A GLN 136 A GLN 99 1 Y 1 A ARG 137 A ARG 100 1 Y 1 A GLU 138 A GLU 101 1 Y 1 A VAL 139 A VAL 102 1 Y 1 A GLU 140 A GLU 103 1 Y 1 A LYS 141 A LYS 104 1 Y 1 B GLY -3 B GLY 1 1 Y 1 B PRO -2 B PRO 2 1 Y 1 B GLY -1 B GLY 3 1 Y 1 B B NH1 O ARG HOH 66 201 2.04 1 B B O O HOH HOH 269 305 2.08 1 B B O O ARG HOH 64 201 2.12 1 B B NE O ARG HOH 66 202 2.18 1 B B O O HOH HOH 215 218 2.18 1 A A GLU LEU 59 60 139.91 1 B B O O HOH HOH 208 300 2.18 1_555 21_545 1 A GLU 57 -79.22 24.98 1 A ALA 58 90.23 10.33 1 B ILE 16 35.69 50.03 1 B THR 21 -54.72 0.21 1 B GLN 44 -100.93 53.06 1 B THR 80 -129.95 -73.52 1 B PHE 84 -38.43 123.94 1 B ASP 110 57.05 -123.21 0.2243 0.2034 0.2055 2.293 49.533 2568 47375 10.06 99.67 0.21 1 FREE R-VALUE 1.34 22.00 0.90 1.11 2.293 49.533 132 1384 0 0 1252 0.009 1283 1.416 1728 16.459 474 0.060 190 0.005 224 0.2885 0.2593 2.3754 470 4185 98.00 0.2737 0.2533 2.4705 485 4274 100.00 0.2240 0.2177 2.5830 475 4241 100.00 0.2179 0.1984 2.7191 480 4276 100.00 0.2413 0.2173 2.8895 482 4278 100.00 0.2449 0.2125 3.1126 477 4249 100.00 0.2213 0.2059 3.4257 475 4267 100.00 0.2217 0.2005 3.9212 475 4276 100.00 0.1834 0.1696 4.9396 476 4277 100.00 0.2270 0.1997 49.5442 471 4286 100.00 2.29 49.533 5I0Q 47421 0.99 1 46.4 40.5 100 1.00 2.29 2.37 3.22 1 32.6 100 refinement PHENIX 1.9_1692 data reduction HKL-2000 data scaling HKL-2000 phasing PHENIX 1.9_1692 M protein, serotype 2.1, C4b-binding protein alpha chain Structure of human C4b-binding protein alpha chain CCP domains 1 and 2 in complex with the hypervariable region of mutant group A Streptococcus M2 (K65A, N66A) protein 1 N N 2 N N 3 N N 3 N N A GLU 59 A GLU 22 HELX_P A HIS 85 A HIS 48 1 AA1 27 disulf 2.058 B CYS 2 B SG CYS 6 1_555 B CYS 48 B SG CYS 52 1_555 disulf 2.047 B CYS 33 B SG CYS 37 1_555 B CYS 60 B SG CYS 64 1_555 disulf 2.101 B CYS 65 B SG CYS 69 1_555 B CYS 106 B SG CYS 110 1_555 disulf 2.037 B CYS 92 B SG CYS 96 1_555 B CYS 122 B SG CYS 126 1_555 IMMUNE SYSTEM M protein, Complement, Streptococcus pyogenes, hypervariable antigen, IMMUNE SYSTEM M21_STRPY UNP 1 42 P50468 NSKNPVPVKKEAKLSEAELHDKIKNLEEEKAELFEKLDKVEEEHKKVEEEHKKDHEKLEKKSEDVERHYLRQLDQEYKEQ QERQKNLEELERQSQREVEK C4BPA_HUMAN UNP 2 49 P04003 NCGPPPTLSFAAPMDITLTETRFKTGTTLKYTCLPGYVRSHSTQTLTCNSDGEWVYNTFCIYKRCRHPGELRNGQVEIKT DLSFGSQIEFSCSEGFFLIGSTTSRCEVQDRGVGWSHPLPQCEI 42 141 5I0Q 42 141 P50468 A 1 5 104 49 172 5I0Q 1 124 P04003 B 2 5 128 1 expression tag GLY 38 5I0Q A P50468 UNP 1 1 expression tag PRO 39 5I0Q A P50468 UNP 2 1 expression tag GLY 40 5I0Q A P50468 UNP 3 1 expression tag SER 41 5I0Q A P50468 UNP 4 1 LYS engineered mutation ALA 65 5I0Q A P50468 UNP 65 28 1 ASN engineered mutation ALA 66 5I0Q A P50468 UNP 66 29 2 expression tag GLY -3 5I0Q B P04003 UNP 1 2 expression tag PRO -2 5I0Q B P04003 UNP 2 2 expression tag GLY -1 5I0Q B P04003 UNP 3 2 expression tag SER 0 5I0Q B P04003 UNP 4 4 2 4 2 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel B ALA 11 B ALA 15 B PRO 13 B PRO 17 B THR 28 B THR 32 B CYS 33 B CYS 37 B THR 45 B THR 49 B CYS 48 B CYS 52 B TRP 54 B TRP 58 B VAL 55 B VAL 59 B TYR 37 B TYR 41 B ARG 39 B ARG 43 B CYS 60 B CYS 64 B TYR 62 B TYR 66 B GLY 74 B GLY 78 B ILE 78 B ILE 82 B GLN 87 B GLN 91 B CYS 92 B CYS 96 B THR 103 B THR 107 B GLN 109 B GLN 113 B GLY 112 B GLY 116 B TRP 115 B TRP 119 B PHE 97 B PHE 101 B ILE 99 B ILE 103 B GLN 121 B GLN 125 B GLU 123 B GLU 127 212 P 43 3 2