HEADER IMMUNE SYSTEM 04-JUN-25 9RF3 TITLE STRUCTURE OF COMPLEMENT C3 IN AN EXTENDED CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: COMPLEMENT C3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: C3 AND PZP-LIKE ALPHA-2-MACROGLOBULIN DOMAIN-CONTAINING COMPND 5 PROTEIN 1; COMPND 6 OTHER_DETAILS: N-TERMINAL DOMAIN (MACROGLOBULIN 1 DOMAIN) AND COMPND 7 MACROGLOBULIN 2 DOMAIN A.A 1-195. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS INHIBITION COMPLEMENT STRUCTURAL NANOPARTICLE, IMMUNE SYSTEM EXPDTA ELECTRON MICROSCOPY AUTHOR J.J.WHITTAKER,D.EIKREM,J.WHITTAKER,G.SEISENBAEVA,K.NILSSON-EKDAHL, AUTHOR 2 B.NILSSON,M.SANDGREN,V.G.KESSLER REVDAT 1 09-SEP-26 9RF3 0 JRNL AUTH J.J.WHITTAKER,D.EIKREM,J.WHITTAKER,G.SEISENBAEVA, JRNL AUTH 2 K.NILSSON-EKDAHL,B.NILSSON,M.SANDGREN,V.G.KESSLER JRNL TITL TITANIUM NANOPARTICLES STRONGLY BIND TO COMPLEMENT C3 OF THE JRNL TITL 2 ALTERNATIVE PATHWAY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 4.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 4.000 REMARK 3 NUMBER OF PARTICLES : 101194 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9RF3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-JUN-25. REMARK 100 THE DEPOSITION ID IS D_1292148255. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : TERTIARY STRUCTURE OF INACTIVE REMARK 245 COMPLEMENT C3. REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 0.40 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : VITRIFICATION PERFORMED AT 95% REMARK 245 RELATIVE HUMIDITY IN A 4 DEGREE REMARK 245 ENVIRONMENT. 3UL OF PROTEIN IN REMARK 245 PURE, FILTERED WATER WAS PLUNGE REMARK 245 FROZEN ON A GRID IN LIQUID REMARK 245 ETHANE. REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.40 REMARK 245 SAMPLE DETAILS : PURIFIED FROM HUMAN BLOOD. REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 17600 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON II (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1800.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5100.00 REMARK 245 ILLUMINATION MODE : SPOT SCAN REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : 30 DEG TILT FOR ENTIRE DATA REMARK 245 COLLECTION. REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A -21 REMARK 465 GLY A -20 REMARK 465 PRO A -19 REMARK 465 THR A -18 REMARK 465 SER A -17 REMARK 465 GLY A -16 REMARK 465 PRO A -15 REMARK 465 SER A -14 REMARK 465 LEU A -13 REMARK 465 LEU A -12 REMARK 465 LEU A -11 REMARK 465 LEU A -10 REMARK 465 LEU A -9 REMARK 465 LEU A -8 REMARK 465 THR A -7 REMARK 465 HIS A -6 REMARK 465 LEU A -5 REMARK 465 PRO A -4 REMARK 465 LEU A -3 REMARK 465 ALA A -2 REMARK 465 LEU A -1 REMARK 465 GLY A 0 REMARK 465 SER A 1 REMARK 465 PRO A 2 REMARK 465 MET A 3 REMARK 465 TYR A 4 REMARK 465 SER A 5 REMARK 465 ILE A 6 REMARK 465 ILE A 7 REMARK 465 THR A 8 REMARK 465 PRO A 9 REMARK 465 ASN A 10 REMARK 465 ILE A 11 REMARK 465 GLY A 42 REMARK 465 LYS A 43 REMARK 465 LYS A 44 REMARK 465 LEU A 45 REMARK 465 VAL A 46 REMARK 465 LEU A 47 REMARK 465 SER A 48 REMARK 465 SER A 49 REMARK 465 GLU A 50 REMARK 465 LYS A 51 REMARK 465 THR A 52 REMARK 465 VAL A 53 REMARK 465 LEU A 54 REMARK 465 THR A 55 REMARK 465 PRO A 56 REMARK 465 ALA A 57 REMARK 465 THR A 58 REMARK 465 GLY A 150 REMARK 465 ILE A 151 REMARK 465 PRO A 152 REMARK 465 VAL A 153 REMARK 465 LYS A 154 REMARK 465 GLN A 155 REMARK 465 VAL A 206 REMARK 465 LEU A 207 REMARK 465 PRO A 208 REMARK 465 SER A 209 REMARK 465 PHE A 210 REMARK 465 GLU A 211 REMARK 465 VAL A 212 REMARK 465 ILE A 213 REMARK 465 VAL A 214 REMARK 465 GLU A 215 REMARK 465 PRO A 216 REMARK 465 THR A 217 REMARK 465 GLU A 218 REMARK 465 LYS A 219 REMARK 465 PHE A 220 REMARK 465 TYR A 221 REMARK 465 TYR A 222 REMARK 465 ILE A 223 REMARK 465 TYR A 224 REMARK 465 ASN A 225 REMARK 465 GLU A 226 REMARK 465 LYS A 227 REMARK 465 GLY A 228 REMARK 465 LEU A 229 REMARK 465 GLU A 230 REMARK 465 VAL A 231 REMARK 465 THR A 232 REMARK 465 ILE A 233 REMARK 465 THR A 234 REMARK 465 ALA A 235 REMARK 465 ARG A 236 REMARK 465 PHE A 237 REMARK 465 LEU A 238 REMARK 465 TYR A 239 REMARK 465 GLY A 240 REMARK 465 LYS A 241 REMARK 465 LYS A 242 REMARK 465 VAL A 243 REMARK 465 GLU A 244 REMARK 465 GLY A 245 REMARK 465 THR A 246 REMARK 465 ALA A 247 REMARK 465 PHE A 248 REMARK 465 VAL A 249 REMARK 465 ILE A 250 REMARK 465 PHE A 251 REMARK 465 GLY A 252 REMARK 465 ILE A 253 REMARK 465 GLN A 254 REMARK 465 ASP A 255 REMARK 465 GLY A 256 REMARK 465 GLU A 257 REMARK 465 GLN A 258 REMARK 465 ARG A 259 REMARK 465 ILE A 260 REMARK 465 SER A 261 REMARK 465 LEU A 262 REMARK 465 PRO A 263 REMARK 465 GLU A 264 REMARK 465 SER A 265 REMARK 465 LEU A 266 REMARK 465 LYS A 267 REMARK 465 ARG A 268 REMARK 465 ILE A 269 REMARK 465 PRO A 270 REMARK 465 ILE A 271 REMARK 465 GLU A 272 REMARK 465 ASP A 273 REMARK 465 GLY A 274 REMARK 465 SER A 275 REMARK 465 GLY A 276 REMARK 465 GLU A 277 REMARK 465 VAL A 278 REMARK 465 VAL A 279 REMARK 465 LEU A 280 REMARK 465 SER A 281 REMARK 465 ARG A 282 REMARK 465 LYS A 283 REMARK 465 VAL A 284 REMARK 465 LEU A 285 REMARK 465 LEU A 286 REMARK 465 ASP A 287 REMARK 465 GLY A 288 REMARK 465 VAL A 289 REMARK 465 GLN A 290 REMARK 465 ASN A 291 REMARK 465 PRO A 292 REMARK 465 ARG A 293 REMARK 465 ALA A 294 REMARK 465 GLU A 295 REMARK 465 ASP A 296 REMARK 465 LEU A 297 REMARK 465 VAL A 298 REMARK 465 GLY A 299 REMARK 465 LYS A 300 REMARK 465 SER A 301 REMARK 465 LEU A 302 REMARK 465 TYR A 303 REMARK 465 VAL A 304 REMARK 465 SER A 305 REMARK 465 ALA A 306 REMARK 465 THR A 307 REMARK 465 VAL A 308 REMARK 465 ILE A 309 REMARK 465 LEU A 310 REMARK 465 HIS A 311 REMARK 465 SER A 312 REMARK 465 GLY A 313 REMARK 465 SER A 314 REMARK 465 ASP A 315 REMARK 465 MET A 316 REMARK 465 VAL A 317 REMARK 465 GLN A 318 REMARK 465 ALA A 319 REMARK 465 GLU A 320 REMARK 465 ARG A 321 REMARK 465 SER A 322 REMARK 465 GLY A 323 REMARK 465 ILE A 324 REMARK 465 PRO A 325 REMARK 465 ILE A 326 REMARK 465 VAL A 327 REMARK 465 SER A 388 REMARK 465 ILE A 389 REMARK 465 ASN A 390 REMARK 465 THR A 391 REMARK 465 HIS A 392 REMARK 465 PRO A 393 REMARK 465 SER A 394 REMARK 465 GLN A 395 REMARK 465 LYS A 396 REMARK 465 PRO A 397 REMARK 465 LEU A 398 REMARK 465 SER A 399 REMARK 465 VAL A 571 REMARK 465 VAL A 572 REMARK 465 LEU A 573 REMARK 465 VAL A 574 REMARK 465 ALA A 575 REMARK 465 VAL A 576 REMARK 465 ASP A 577 REMARK 465 LYS A 578 REMARK 465 GLY A 579 REMARK 465 VAL A 580 REMARK 465 LEU A 622 REMARK 465 THR A 623 REMARK 465 PHE A 624 REMARK 465 THR A 625 REMARK 465 SER A 626 REMARK 465 SER A 627 REMARK 465 SER A 628 REMARK 465 GLY A 629 REMARK 465 GLN A 630 REMARK 465 GLN A 631 REMARK 465 THR A 632 REMARK 465 ALA A 633 REMARK 465 GLN A 634 REMARK 465 ARG A 635 REMARK 465 ALA A 636 REMARK 465 GLU A 637 REMARK 465 LEU A 638 REMARK 465 GLN A 639 REMARK 465 CYS A 640 REMARK 465 PRO A 641 REMARK 465 GLN A 642 REMARK 465 PRO A 643 REMARK 465 ALA A 644 REMARK 465 ALA A 645 REMARK 465 ARG A 646 REMARK 465 ARG A 647 REMARK 465 ARG A 648 REMARK 465 ARG A 649 REMARK 465 SER A 650 REMARK 465 VAL A 651 REMARK 465 GLN A 652 REMARK 465 LEU A 653 REMARK 465 THR A 654 REMARK 465 GLU A 655 REMARK 465 LYS A 656 REMARK 465 ARG A 657 REMARK 465 MET A 658 REMARK 465 ASP A 659 REMARK 465 LYS A 660 REMARK 465 VAL A 661 REMARK 465 GLY A 662 REMARK 465 LYS A 663 REMARK 465 TYR A 664 REMARK 465 PRO A 665 REMARK 465 ARG A 713 REMARK 465 ARG A 714 REMARK 465 GLN A 715 REMARK 465 HIS A 716 REMARK 465 ALA A 717 REMARK 465 ARG A 718 REMARK 465 ALA A 719 REMARK 465 SER A 720 REMARK 465 HIS A 721 REMARK 465 LEU A 722 REMARK 465 GLY A 723 REMARK 465 LEU A 724 REMARK 465 ALA A 725 REMARK 465 ARG A 726 REMARK 465 SER A 727 REMARK 465 ASN A 728 REMARK 465 LEU A 729 REMARK 465 ASP A 730 REMARK 465 GLU A 731 REMARK 465 ASP A 732 REMARK 465 ILE A 733 REMARK 465 ILE A 734 REMARK 465 ALA A 735 REMARK 465 GLU A 736 REMARK 465 GLU A 737 REMARK 465 ASN A 738 REMARK 465 ILE A 739 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 TYR A 205 OH REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLN A 161 N - CA - CB ANGL. DEV. = 12.0 DEGREES REMARK 500 TYR A 470 CB - CA - C ANGL. DEV. = 13.9 DEGREES REMARK 500 ALA A 784 N - CA - CB ANGL. DEV. = -9.5 DEGREES REMARK 500 GLU A 938 CB - CA - C ANGL. DEV. = -28.8 DEGREES REMARK 500 ASP A 939 N - CA - CB ANGL. DEV. = -21.1 DEGREES REMARK 500 LYS A1504 CB - CA - C ANGL. DEV. = -28.2 DEGREES REMARK 500 LYS A1504 N - CA - C ANGL. DEV. = 35.5 DEGREES REMARK 500 VAL A1505 N - CA - CB ANGL. DEV. = -18.5 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 LEU A 14 -60.68 -92.31 REMARK 500 ASP A 39 -166.26 -125.02 REMARK 500 THR A 115 -4.98 68.14 REMARK 500 MET A 142 55.45 -91.16 REMARK 500 GLN A 161 -161.12 -162.19 REMARK 500 ASN A 162 -116.14 55.51 REMARK 500 PHE A 196 116.60 -160.10 REMARK 500 GLU A 204 -128.36 50.56 REMARK 500 TYR A 331 -62.99 -103.82 REMARK 500 LYS A 337 -69.77 -96.08 REMARK 500 PRO A 339 44.83 -84.84 REMARK 500 PRO A 357 -9.52 33.33 REMARK 500 ALA A 368 -167.69 -169.21 REMARK 500 GLU A 372 38.24 -148.25 REMARK 500 THR A 374 -137.94 56.54 REMARK 500 ASP A 382 -80.16 -105.48 REMARK 500 VAL A 402 109.15 -59.16 REMARK 500 LYS A 406 -167.21 -79.17 REMARK 500 GLN A 407 -178.92 -67.00 REMARK 500 THR A 426 52.76 -90.70 REMARK 500 GLU A 442 52.72 -90.23 REMARK 500 MET A 457 -60.52 -94.43 REMARK 500 TYR A 468 -137.05 54.72 REMARK 500 ASN A 474 -124.05 59.60 REMARK 500 LYS A 475 57.73 -95.03 REMARK 500 SER A 519 -39.99 -131.07 REMARK 500 LYS A 534 117.56 -160.84 REMARK 500 ASP A 535 29.39 -140.17 REMARK 500 VAL A 542 -50.55 -126.10 REMARK 500 VAL A 543 -75.98 -121.30 REMARK 500 GLU A 564 -122.60 44.35 REMARK 500 ASP A 566 51.15 39.43 REMARK 500 THR A 590 41.79 39.15 REMARK 500 ILE A 594 -68.78 73.46 REMARK 500 ILE A 603 44.17 34.52 REMARK 500 SER A 618 -119.39 54.46 REMARK 500 TRP A 780 -138.95 60.01 REMARK 500 LEU A 783 -126.08 43.22 REMARK 500 ALA A 784 -156.65 -141.12 REMARK 500 LYS A 791 -124.00 43.20 REMARK 500 ASP A1099 -39.14 -130.49 REMARK 500 ASP A1134 50.91 -90.77 REMARK 500 ILE A1135 -51.57 -121.33 REMARK 500 ASN A1160 55.55 -90.91 REMARK 500 ASN A1271 44.89 -144.72 REMARK 500 LEU A1296 17.73 57.92 REMARK 500 ASP A1418 77.82 -100.42 REMARK 500 GLU A1476 52.20 38.03 REMARK 500 CYS A1484 -61.36 -95.31 REMARK 500 ARG A1485 17.39 56.61 REMARK 500 REMARK 500 THIS ENTRY HAS 55 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 466 0.28 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-53939 RELATED DB: EMDB REMARK 900 A CRYO-EM STRUCTURE OF NATIVE C3 PROTEIN IN A STRETCHED REMARK 900 CONFORMATION. DBREF 9RF3 A -21 1641 UNP P01024 CO3_HUMAN 1 1663 SEQRES 1 A 1663 MET GLY PRO THR SER GLY PRO SER LEU LEU LEU LEU LEU SEQRES 2 A 1663 LEU THR HIS LEU PRO LEU ALA LEU GLY SER PRO MET TYR SEQRES 3 A 1663 SER ILE ILE THR PRO ASN ILE LEU ARG LEU GLU SER GLU SEQRES 4 A 1663 GLU THR MET VAL LEU GLU ALA HIS ASP ALA GLN GLY ASP SEQRES 5 A 1663 VAL PRO VAL THR VAL THR VAL HIS ASP PHE PRO GLY LYS SEQRES 6 A 1663 LYS LEU VAL LEU SER SER GLU LYS THR VAL LEU THR PRO SEQRES 7 A 1663 ALA THR ASN HIS MET GLY ASN VAL THR PHE THR ILE PRO SEQRES 8 A 1663 ALA ASN ARG GLU PHE LYS SER GLU LYS GLY ARG ASN LYS SEQRES 9 A 1663 PHE VAL THR VAL GLN ALA THR PHE GLY THR GLN VAL VAL SEQRES 10 A 1663 GLU LYS VAL VAL LEU VAL SER LEU GLN SER GLY TYR LEU SEQRES 11 A 1663 PHE ILE GLN THR ASP LYS THR ILE TYR THR PRO GLY SER SEQRES 12 A 1663 THR VAL LEU TYR ARG ILE PHE THR VAL ASN HIS LYS LEU SEQRES 13 A 1663 LEU PRO VAL GLY ARG THR VAL MET VAL ASN ILE GLU ASN SEQRES 14 A 1663 PRO GLU GLY ILE PRO VAL LYS GLN ASP SER LEU SER SER SEQRES 15 A 1663 GLN ASN GLN LEU GLY VAL LEU PRO LEU SER TRP ASP ILE SEQRES 16 A 1663 PRO GLU LEU VAL ASN MET GLY GLN TRP LYS ILE ARG ALA SEQRES 17 A 1663 TYR TYR GLU ASN SER PRO GLN GLN VAL PHE SER THR GLU SEQRES 18 A 1663 PHE GLU VAL LYS GLU TYR VAL LEU PRO SER PHE GLU VAL SEQRES 19 A 1663 ILE VAL GLU PRO THR GLU LYS PHE TYR TYR ILE TYR ASN SEQRES 20 A 1663 GLU LYS GLY LEU GLU VAL THR ILE THR ALA ARG PHE LEU SEQRES 21 A 1663 TYR GLY LYS LYS VAL GLU GLY THR ALA PHE VAL ILE PHE SEQRES 22 A 1663 GLY ILE GLN ASP GLY GLU GLN ARG ILE SER LEU PRO GLU SEQRES 23 A 1663 SER LEU LYS ARG ILE PRO ILE GLU ASP GLY SER GLY GLU SEQRES 24 A 1663 VAL VAL LEU SER ARG LYS VAL LEU LEU ASP GLY VAL GLN SEQRES 25 A 1663 ASN PRO ARG ALA GLU ASP LEU VAL GLY LYS SER LEU TYR SEQRES 26 A 1663 VAL SER ALA THR VAL ILE LEU HIS SER GLY SER ASP MET SEQRES 27 A 1663 VAL GLN ALA GLU ARG SER GLY ILE PRO ILE VAL THR SER SEQRES 28 A 1663 PRO TYR GLN ILE HIS PHE THR LYS THR PRO LYS TYR PHE SEQRES 29 A 1663 LYS PRO GLY MET PRO PHE ASP LEU MET VAL PHE VAL THR SEQRES 30 A 1663 ASN PRO ASP GLY SER PRO ALA TYR ARG VAL PRO VAL ALA SEQRES 31 A 1663 VAL GLN GLY GLU ASP THR VAL GLN SER LEU THR GLN GLY SEQRES 32 A 1663 ASP GLY VAL ALA LYS LEU SER ILE ASN THR HIS PRO SER SEQRES 33 A 1663 GLN LYS PRO LEU SER ILE THR VAL ARG THR LYS LYS GLN SEQRES 34 A 1663 GLU LEU SER GLU ALA GLU GLN ALA THR ARG THR MET GLN SEQRES 35 A 1663 ALA LEU PRO TYR SER THR VAL GLY ASN SER ASN ASN TYR SEQRES 36 A 1663 LEU HIS LEU SER VAL LEU ARG THR GLU LEU ARG PRO GLY SEQRES 37 A 1663 GLU THR LEU ASN VAL ASN PHE LEU LEU ARG MET ASP ARG SEQRES 38 A 1663 ALA HIS GLU ALA LYS ILE ARG TYR TYR THR TYR LEU ILE SEQRES 39 A 1663 MET ASN LYS GLY ARG LEU LEU LYS ALA GLY ARG GLN VAL SEQRES 40 A 1663 ARG GLU PRO GLY GLN ASP LEU VAL VAL LEU PRO LEU SER SEQRES 41 A 1663 ILE THR THR ASP PHE ILE PRO SER PHE ARG LEU VAL ALA SEQRES 42 A 1663 TYR TYR THR LEU ILE GLY ALA SER GLY GLN ARG GLU VAL SEQRES 43 A 1663 VAL ALA ASP SER VAL TRP VAL ASP VAL LYS ASP SER CYS SEQRES 44 A 1663 VAL GLY SER LEU VAL VAL LYS SER GLY GLN SER GLU ASP SEQRES 45 A 1663 ARG GLN PRO VAL PRO GLY GLN GLN MET THR LEU LYS ILE SEQRES 46 A 1663 GLU GLY ASP HIS GLY ALA ARG VAL VAL LEU VAL ALA VAL SEQRES 47 A 1663 ASP LYS GLY VAL PHE VAL LEU ASN LYS LYS ASN LYS LEU SEQRES 48 A 1663 THR GLN SER LYS ILE TRP ASP VAL VAL GLU LYS ALA ASP SEQRES 49 A 1663 ILE GLY CYS THR PRO GLY SER GLY LYS ASP TYR ALA GLY SEQRES 50 A 1663 VAL PHE SER ASP ALA GLY LEU THR PHE THR SER SER SER SEQRES 51 A 1663 GLY GLN GLN THR ALA GLN ARG ALA GLU LEU GLN CYS PRO SEQRES 52 A 1663 GLN PRO ALA ALA ARG ARG ARG ARG SER VAL GLN LEU THR SEQRES 53 A 1663 GLU LYS ARG MET ASP LYS VAL GLY LYS TYR PRO LYS GLU SEQRES 54 A 1663 LEU ARG LYS CYS CYS GLU ASP GLY MET ARG GLU ASN PRO SEQRES 55 A 1663 MET ARG PHE SER CYS GLN ARG ARG THR ARG PHE ILE SER SEQRES 56 A 1663 LEU GLY GLU ALA CYS LYS LYS VAL PHE LEU ASP CYS CYS SEQRES 57 A 1663 ASN TYR ILE THR GLU LEU ARG ARG GLN HIS ALA ARG ALA SEQRES 58 A 1663 SER HIS LEU GLY LEU ALA ARG SER ASN LEU ASP GLU ASP SEQRES 59 A 1663 ILE ILE ALA GLU GLU ASN ILE VAL SER ARG SER GLU PHE SEQRES 60 A 1663 PRO GLU SER TRP LEU TRP ASN VAL GLU ASP LEU LYS GLU SEQRES 61 A 1663 PRO PRO LYS ASN GLY ILE SER THR LYS LEU MET ASN ILE SEQRES 62 A 1663 PHE LEU LYS ASP SER ILE THR THR TRP GLU ILE LEU ALA SEQRES 63 A 1663 VAL SER MET SER ASP LYS LYS GLY ILE CYS VAL ALA ASP SEQRES 64 A 1663 PRO PHE GLU VAL THR VAL MET GLN ASP PHE PHE ILE ASP SEQRES 65 A 1663 LEU ARG LEU PRO TYR SER VAL VAL ARG ASN GLU GLN VAL SEQRES 66 A 1663 GLU ILE ARG ALA VAL LEU TYR ASN TYR ARG GLN ASN GLN SEQRES 67 A 1663 GLU LEU LYS VAL ARG VAL GLU LEU LEU HIS ASN PRO ALA SEQRES 68 A 1663 PHE CYS SER LEU ALA THR THR LYS ARG ARG HIS GLN GLN SEQRES 69 A 1663 THR VAL THR ILE PRO PRO LYS SER SER LEU SER VAL PRO SEQRES 70 A 1663 TYR VAL ILE VAL PRO LEU LYS THR GLY LEU GLN GLU VAL SEQRES 71 A 1663 GLU VAL LYS ALA ALA VAL TYR HIS HIS PHE ILE SER ASP SEQRES 72 A 1663 GLY VAL ARG LYS SER LEU LYS VAL VAL PRO GLU GLY ILE SEQRES 73 A 1663 ARG MET ASN LYS THR VAL ALA VAL ARG THR LEU ASP PRO SEQRES 74 A 1663 GLU ARG LEU GLY ARG GLU GLY VAL GLN LYS GLU ASP ILE SEQRES 75 A 1663 PRO PRO ALA ASP LEU SER ASP GLN VAL PRO ASP THR GLU SEQRES 76 A 1663 SER GLU THR ARG ILE LEU LEU GLN GLY THR PRO VAL ALA SEQRES 77 A 1663 GLN MET THR GLU ASP ALA VAL ASP ALA GLU ARG LEU LYS SEQRES 78 A 1663 HIS LEU ILE VAL THR PRO SER GLY CYS GLY GLU GLN ASN SEQRES 79 A 1663 MET ILE GLY MET THR PRO THR VAL ILE ALA VAL HIS TYR SEQRES 80 A 1663 LEU ASP GLU THR GLU GLN TRP GLU LYS PHE GLY LEU GLU SEQRES 81 A 1663 LYS ARG GLN GLY ALA LEU GLU LEU ILE LYS LYS GLY TYR SEQRES 82 A 1663 THR GLN GLN LEU ALA PHE ARG GLN PRO SER SER ALA PHE SEQRES 83 A 1663 ALA ALA PHE VAL LYS ARG ALA PRO SER THR TRP LEU THR SEQRES 84 A 1663 ALA TYR VAL VAL LYS VAL PHE SER LEU ALA VAL ASN LEU SEQRES 85 A 1663 ILE ALA ILE ASP SER GLN VAL LEU CYS GLY ALA VAL LYS SEQRES 86 A 1663 TRP LEU ILE LEU GLU LYS GLN LYS PRO ASP GLY VAL PHE SEQRES 87 A 1663 GLN GLU ASP ALA PRO VAL ILE HIS GLN GLU MET ILE GLY SEQRES 88 A 1663 GLY LEU ARG ASN ASN ASN GLU LYS ASP MET ALA LEU THR SEQRES 89 A 1663 ALA PHE VAL LEU ILE SER LEU GLN GLU ALA LYS ASP ILE SEQRES 90 A 1663 CYS GLU GLU GLN VAL ASN SER LEU PRO GLY SER ILE THR SEQRES 91 A 1663 LYS ALA GLY ASP PHE LEU GLU ALA ASN TYR MET ASN LEU SEQRES 92 A 1663 GLN ARG SER TYR THR VAL ALA ILE ALA GLY TYR ALA LEU SEQRES 93 A 1663 ALA GLN MET GLY ARG LEU LYS GLY PRO LEU LEU ASN LYS SEQRES 94 A 1663 PHE LEU THR THR ALA LYS ASP LYS ASN ARG TRP GLU ASP SEQRES 95 A 1663 PRO GLY LYS GLN LEU TYR ASN VAL GLU ALA THR SER TYR SEQRES 96 A 1663 ALA LEU LEU ALA LEU LEU GLN LEU LYS ASP PHE ASP PHE SEQRES 97 A 1663 VAL PRO PRO VAL VAL ARG TRP LEU ASN GLU GLN ARG TYR SEQRES 98 A 1663 TYR GLY GLY GLY TYR GLY SER THR GLN ALA THR PHE MET SEQRES 99 A 1663 VAL PHE GLN ALA LEU ALA GLN TYR GLN LYS ASP ALA PRO SEQRES 100 A 1663 ASP HIS GLN GLU LEU ASN LEU ASP VAL SER LEU GLN LEU SEQRES 101 A 1663 PRO SER ARG SER SER LYS ILE THR HIS ARG ILE HIS TRP SEQRES 102 A 1663 GLU SER ALA SER LEU LEU ARG SER GLU GLU THR LYS GLU SEQRES 103 A 1663 ASN GLU GLY PHE THR VAL THR ALA GLU GLY LYS GLY GLN SEQRES 104 A 1663 GLY THR LEU SER VAL VAL THR MET TYR HIS ALA LYS ALA SEQRES 105 A 1663 LYS ASP GLN LEU THR CYS ASN LYS PHE ASP LEU LYS VAL SEQRES 106 A 1663 THR ILE LYS PRO ALA PRO GLU THR GLU LYS ARG PRO GLN SEQRES 107 A 1663 ASP ALA LYS ASN THR MET ILE LEU GLU ILE CYS THR ARG SEQRES 108 A 1663 TYR ARG GLY ASP GLN ASP ALA THR MET SER ILE LEU ASP SEQRES 109 A 1663 ILE SER MET MET THR GLY PHE ALA PRO ASP THR ASP ASP SEQRES 110 A 1663 LEU LYS GLN LEU ALA ASN GLY VAL ASP ARG TYR ILE SER SEQRES 111 A 1663 LYS TYR GLU LEU ASP LYS ALA PHE SER ASP ARG ASN THR SEQRES 112 A 1663 LEU ILE ILE TYR LEU ASP LYS VAL SER HIS SER GLU ASP SEQRES 113 A 1663 ASP CYS LEU ALA PHE LYS VAL HIS GLN TYR PHE ASN VAL SEQRES 114 A 1663 GLU LEU ILE GLN PRO GLY ALA VAL LYS VAL TYR ALA TYR SEQRES 115 A 1663 TYR ASN LEU GLU GLU SER CYS THR ARG PHE TYR HIS PRO SEQRES 116 A 1663 GLU LYS GLU ASP GLY LYS LEU ASN LYS LEU CYS ARG ASP SEQRES 117 A 1663 GLU LEU CYS ARG CYS ALA GLU GLU ASN CYS PHE ILE GLN SEQRES 118 A 1663 LYS SER ASP ASP LYS VAL THR LEU GLU GLU ARG LEU ASP SEQRES 119 A 1663 LYS ALA CYS GLU PRO GLY VAL ASP TYR VAL TYR LYS THR SEQRES 120 A 1663 ARG LEU VAL LYS VAL GLN LEU SER ASN ASP PHE ASP GLU SEQRES 121 A 1663 TYR ILE MET ALA ILE GLU GLN THR ILE LYS SER GLY SER SEQRES 122 A 1663 ASP GLU VAL GLN VAL GLY GLN GLN ARG THR PHE ILE SER SEQRES 123 A 1663 PRO ILE LYS CYS ARG GLU ALA LEU LYS LEU GLU GLU LYS SEQRES 124 A 1663 LYS HIS TYR LEU MET TRP GLY LEU SER SER ASP PHE TRP SEQRES 125 A 1663 GLY GLU LYS PRO ASN LEU SER TYR ILE ILE GLY LYS ASP SEQRES 126 A 1663 THR TRP VAL GLU HIS TRP PRO GLU GLU ASP GLU CYS GLN SEQRES 127 A 1663 ASP GLU GLU ASN GLN LYS GLN CYS GLN ASP LEU GLY ALA SEQRES 128 A 1663 PHE THR GLU SER MET VAL VAL PHE GLY CYS PRO ASN HELIX 1 AA1 LEU A 668 MET A 676 1 9 HELIX 2 AA2 ALA A 966 ASP A 974 1 9 HELIX 3 AA3 ARG A 977 LEU A 981 5 5 HELIX 4 AA4 GLN A 991 GLY A 995 5 5 HELIX 5 AA5 MET A 996 THR A 1009 1 14 HELIX 6 AA6 PHE A 1015 GLY A 1030 1 16 HELIX 7 AA7 GLY A 1030 PHE A 1037 1 8 HELIX 8 AA8 SER A 1053 PHE A 1064 1 12 HELIX 9 AA9 SER A 1065 ALA A 1067 5 3 HELIX 10 AB1 VAL A 1077 LEU A 1085 1 9 HELIX 11 AB2 LYS A 1117 ALA A 1132 1 16 HELIX 12 AB3 SER A 1142 ASN A 1157 1 16 HELIX 13 AB4 SER A 1164 ALA A 1175 1 12 HELIX 14 AB5 GLY A 1182 THR A 1190 1 9 HELIX 15 AB6 ALA A 1192 ASN A 1196 5 5 HELIX 16 AB7 LYS A 1203 LEU A 1221 1 19 HELIX 17 AB8 VAL A 1227 ASN A 1235 1 9 HELIX 18 AB9 THR A 1247 ALA A 1264 1 18 HELIX 19 AC1 ASP A 1392 ASN A 1401 1 10 HELIX 20 AC2 ARG A 1490 GLU A 1494 5 5 HELIX 21 AC3 THR A 1506 LYS A 1513 1 8 HELIX 22 AC4 LYS A 1567 ARG A 1569 5 3 HELIX 23 AC5 LEU A 1585 PHE A 1589 5 5 HELIX 24 AC6 GLN A 1623 PHE A 1637 1 15 SHEET 1 AA1 3 LEU A 811 ARG A 812 0 SHEET 2 AA1 3 VAL A 823 ALA A 827 -1 O ARG A 826 N ARG A 812 SHEET 3 AA1 3 TYR A 876 ILE A 878 -1 O ILE A 878 N VAL A 823 SHEET 1 AA2 2 LEU A 829 TYR A 830 0 SHEET 2 AA2 2 SER A 871 LEU A 872 -1 O LEU A 872 N LEU A 829 SHEET 1 AA3 4 GLN A 861 VAL A 864 0 SHEET 2 AA3 4 VAL A 840 LEU A 844 -1 N VAL A 840 O VAL A 864 SHEET 3 AA3 4 LEU A 885 ALA A 893 -1 O LYS A 891 N GLU A 843 SHEET 4 AA3 4 ASP A 901 LYS A 908 -1 O LEU A 907 N GLN A 886 SHEET 1 AA4 4 ARG A 915 THR A 919 0 SHEET 2 AA4 4 THR A1319 HIS A1327 -1 O THR A1324 N LYS A 918 SHEET 3 AA4 4 GLU A 955 GLN A 961 -1 N GLN A 961 O THR A1319 SHEET 4 AA4 4 LEU A1297 ARG A1298 -1 O ARG A1298 N LEU A 960 SHEET 1 AA5 2 ARG A1038 GLN A1039 0 SHEET 2 AA5 2 ALA A1043 PHE A1044 -1 O ALA A1043 N GLN A1039 SHEET 1 AA6 3 ILE A1285 THR A1286 0 SHEET 2 AA6 3 SER A1275 GLN A1277 -1 N LEU A1276 O ILE A1285 SHEET 3 AA6 3 THR A1309 THR A1311 -1 O THR A1311 N SER A1275 SHEET 1 AA7 4 PHE A1339 VAL A1343 0 SHEET 2 AA7 4 ASN A1360 TYR A1370 -1 O CYS A1367 N LYS A1342 SHEET 3 AA7 4 ASP A1435 GLN A1443 -1 O LEU A1437 N ILE A1366 SHEET 4 AA7 4 PHE A1389 PRO A1391 -1 N ALA A1390 O HIS A1442 SHEET 1 AA8 3 THR A1421 TYR A1425 0 SHEET 2 AA8 3 SER A1379 SER A1384 -1 N LEU A1381 O ILE A1424 SHEET 3 AA8 3 VAL A1455 ALA A1459 -1 O TYR A1458 N ILE A1380 SHEET 1 AA9 5 HIS A1579 GLY A1584 0 SHEET 2 AA9 5 TYR A1521 GLN A1531 -1 N THR A1525 O TYR A1580 SHEET 3 AA9 5 PHE A1536 THR A1546 -1 O GLN A1545 N LYS A1524 SHEET 4 AA9 5 PHE A1562 PRO A1565 -1 O SER A1564 N ASP A1537 SHEET 5 AA9 5 TYR A1598 ILE A1599 1 O TYR A1598 N ILE A1563 SSBOND 1 CYS A 671 CYS A 698 1555 1555 2.03 SSBOND 2 CYS A 672 CYS A 705 1555 1555 2.03 SSBOND 3 CYS A 685 CYS A 706 1555 1555 2.03 SSBOND 4 CYS A 851 CYS A 1491 1555 1555 2.03 SSBOND 5 CYS A 1079 CYS A 1136 1555 1555 2.03 SSBOND 6 CYS A 1336 CYS A 1467 1555 1555 2.03 SSBOND 7 CYS A 1367 CYS A 1436 1555 1555 2.03 SSBOND 8 CYS A 1484 CYS A 1489 1555 1555 2.03 SSBOND 9 CYS A 1496 CYS A 1568 1555 1555 2.03 SSBOND 10 CYS A 1515 CYS A 1639 1555 1555 2.03 SSBOND 11 CYS A 1615 CYS A 1624 1555 1555 2.03 CISPEP 1 ILE A 504 PRO A 505 0 -3.33 CISPEP 2 PRO A 1040 SER A 1041 0 -1.44 CISPEP 3 LYS A 1482 LEU A 1483 0 -4.45 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 CONECT 3539 3757 CONECT 3545 3815 CONECT 3651 3821 CONECT 3757 3539 CONECT 3815 3545 CONECT 3821 3651 CONECT 4796 9855 CONECT 6570 7015 CONECT 7015 6570 CONECT 8596 9651 CONECT 8844 9394 CONECT 9394 8844 CONECT 9651 8596 CONECT 9796 9838 CONECT 9838 9796 CONECT 9855 4796 CONECT 989210472 CONECT1004711062 CONECT10472 9892 CONECT1087610952 CONECT1095210876 CONECT1106210047 MASTER 503 0 0 24 30 0 0 611078 1 22 128 END