HEADER IMMUNE SYSTEM 03-SEP-25 9Y4J TITLE CRYOEM STRUCTURE OF HUMAN MDA5 WITH DSRNA (ONE PROTEIN SUBUNIT ON TITLE 2 DSRNA) COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTERFERON-INDUCED HELICASE C DOMAIN-CONTAINING PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CLINICALLY AMYOPATHIC DERMATOMYOSITIS AUTOANTIGEN 140 KDA, COMPND 5 CADM-140 AUTOANTIGEN,HELICASE WITH 2 CARD DOMAINS,HELICARD, COMPND 6 INTERFERON-INDUCED WITH HELICASE C DOMAIN PROTEIN 1,MELANOMA COMPND 7 DIFFERENTIATION-ASSOCIATED PROTEIN 5,MDA-5,MURABUTIDE DOWN-REGULATED COMPND 8 PROTEIN,RIG-I-LIKE RECEPTOR 2,RLR-2,RNA HELICASE-DEAD BOX PROTEIN COMPND 9 116; COMPND 10 EC: 3.6.4.13; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 2; COMPND 13 MOLECULE: RNA 13MER; COMPND 14 CHAIN: B; COMPND 15 ENGINEERED: YES; COMPND 16 MOL_ID: 3; COMPND 17 MOLECULE: RNA 13MER; COMPND 18 CHAIN: C; COMPND 19 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: IFIH1, MDA5, RH116; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 866768; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: IN VITRO TRANSCRIPTION VECTOR PT7-FLUC(DELTAI); SOURCE 11 ORGANISM_TAXID: 905932; SOURCE 12 MOL_ID: 3; SOURCE 13 SYNTHETIC: YES; SOURCE 14 ORGANISM_SCIENTIFIC: IN VITRO TRANSCRIPTION VECTOR PT7-FLUC(DELTAI); SOURCE 15 ORGANISM_TAXID: 905932 KEYWDS RLR, MDA5, SIGNALING, FILAMENT, DSRNA, IMMUNE SYSTEM EXPDTA ELECTRON MICROSCOPY AUTHOR L.XU,K.CHUNG,A.PYLE REVDAT 1 09-SEP-26 9Y4J 0 JRNL AUTH L.XU,K.CHUNG,R.GUO,A.PAN,A.M.PYLE JRNL TITL UNRAVELING THE MOLECULAR BASIS FOR MDA5 T331I DISEASE-LINKED JRNL TITL 2 MUTATION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.81 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, CRYOSPARC, PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL 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) : 2.810 REMARK 3 NUMBER OF PARTICLES : 402040 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 9Y4J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-SEP-25. REMARK 100 THE DEPOSITION ID IS D_1000299075. 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 : CRYOEM STRUCTURE OF MDA5 BINDS REMARK 245 TO DSRNA IN PRESENCE OF AMPPNP - REMARK 245 ONE PROTEIN SUBUNIT ON DSRNA REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 500.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5198.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM 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 : NULL 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 ALA A 298 REMARK 465 ARG A 299 REMARK 465 ALA A 300 REMARK 465 SER A 301 REMARK 465 PRO A 302 REMARK 465 GLU A 303 REMARK 465 PRO A 304 REMARK 465 GLU A 305 REMARK 465 LEU A 424 REMARK 465 GLU A 425 REMARK 465 ASN A 426 REMARK 465 GLY A 427 REMARK 465 GLU A 428 REMARK 465 ASP A 429 REMARK 465 ILE A 641 REMARK 465 GLU A 642 REMARK 465 ASP A 643 REMARK 465 ASP A 644 REMARK 465 SER A 645 REMARK 465 ASP A 646 REMARK 465 GLU A 647 REMARK 465 GLY A 648 REMARK 465 GLY A 649 REMARK 465 ASP A 650 REMARK 465 ASP A 651 REMARK 465 GLU A 652 REMARK 465 TYR A 653 REMARK 465 CYS A 654 REMARK 465 ASP A 655 REMARK 465 GLY A 656 REMARK 465 ASP A 657 REMARK 465 GLU A 658 REMARK 465 ASP A 659 REMARK 465 GLU A 660 REMARK 465 ASP A 661 REMARK 465 ASP A 662 REMARK 465 LEU A 663 REMARK 465 LYS A 664 REMARK 465 LYS A 665 REMARK 465 PRO A 666 REMARK 465 LEU A 667 REMARK 465 LYS A 668 REMARK 465 GLU A 943 REMARK 465 ASN A 944 REMARK 465 LYS A 945 REMARK 465 ALA A 946 REMARK 465 LEU A 947 REMARK 465 GLN A 948 REMARK 465 LYS A 949 REMARK 465 LYS A 950 REMARK 465 CYS A 951 REMARK 465 ALA A 952 REMARK 465 ASP A 953 REMARK 465 TYR A 954 REMARK 465 GLN A 955 REMARK 465 ILE A 956 REMARK 465 CYS A 1018 REMARK 465 CYS A 1019 REMARK 465 LEU A 1020 REMARK 465 PHE A 1021 REMARK 465 SER A 1022 REMARK 465 ASP A 1023 REMARK 465 GLU A 1024 REMARK 465 ASP A 1025 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 LEU A 306 N REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O LEU A 471 CB LYS A 476 1.85 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ASN A 475 C LYS A 476 N 0.159 REMARK 500 LYS A 782 CA LYS A 782 C -0.168 REMARK 500 LYS A 782 C LYS A 782 O -0.160 REMARK 500 THR A 789 C THR A 789 O -0.118 REMARK 500 REMARK 500 REMARK: NULL 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 ASN A 475 O - C - N ANGL. DEV. = -16.0 DEGREES REMARK 500 LYS A 476 N - CA - C ANGL. DEV. = 17.7 DEGREES REMARK 500 LYS A 476 CA - C - N ANGL. DEV. = -17.6 DEGREES REMARK 500 PRO A 477 C - N - CA ANGL. DEV. = -18.4 DEGREES REMARK 500 PRO A 477 C - N - CD ANGL. DEV. = 18.6 DEGREES REMARK 500 ARG A 779 CB - CA - C ANGL. DEV. = -13.9 DEGREES REMARK 500 ARG A 779 N - CA - C ANGL. DEV. = 22.0 DEGREES REMARK 500 GLY A 781 N - CA - C ANGL. DEV. = -17.5 DEGREES REMARK 500 LYS A 782 CB - CA - C ANGL. DEV. = -14.0 DEGREES REMARK 500 LYS A 782 N - CA - C ANGL. DEV. = 22.5 DEGREES REMARK 500 LYS A 782 CA - C - O ANGL. DEV. = -15.4 DEGREES REMARK 500 LEU A 785 CB - CG - CD2 ANGL. DEV. = -11.3 DEGREES REMARK 500 MET A 882 CB - CA - C ANGL. DEV. = -12.1 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 THR A 336 52.08 -93.40 REMARK 500 ARG A 337 -37.86 -133.86 REMARK 500 GLU A 376 -56.34 -120.15 REMARK 500 GLN A 415 44.56 -87.95 REMARK 500 LYS A 450 -132.45 59.90 REMARK 500 GLN A 566 69.65 -100.61 REMARK 500 GLU A 692 58.63 -95.14 REMARK 500 VAL A 791 -72.72 -98.70 REMARK 500 LEU A 796 -171.83 -171.10 REMARK 500 VAL A 810 -54.87 -124.71 REMARK 500 THR A 811 -142.15 59.48 REMARK 500 ASN A 899 76.60 51.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 MET A 313 -12.45 REMARK 500 ASN A 475 -21.70 REMARK 500 LYS A 476 14.07 REMARK 500 PHE A 778 10.38 REMARK 500 LYS A 782 -12.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A1102 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ANP A1101 O3G REMARK 620 2 ANP A1101 O2B 57.5 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-72484 RELATED DB: EMDB REMARK 900 CRYOEM STRUCTURE OF HUMAN MDA5 WITH DSRNA (ONE PROTEIN SUBUNIT ON REMARK 900 DSRNA) DBREF 9Y4J A 298 1025 UNP Q9BYX4 IFIH1_HUMAN 298 1025 DBREF 9Y4J B 1 13 PDB 9Y4J 9Y4J 1 13 DBREF 9Y4J C 1 13 PDB 9Y4J 9Y4J 1 13 SEQRES 1 A 728 ALA ARG ALA SER PRO GLU PRO GLU LEU GLN LEU ARG PRO SEQRES 2 A 728 TYR GLN MET GLU VAL ALA GLN PRO ALA LEU GLU GLY LYS SEQRES 3 A 728 ASN ILE ILE ILE CYS LEU PRO THR GLY SER GLY LYS THR SEQRES 4 A 728 ARG VAL ALA VAL TYR ILE ALA LYS ASP HIS LEU ASP LYS SEQRES 5 A 728 LYS LYS LYS ALA SER GLU PRO GLY LYS VAL ILE VAL LEU SEQRES 6 A 728 VAL ASN LYS VAL LEU LEU VAL GLU GLN LEU PHE ARG LYS SEQRES 7 A 728 GLU PHE GLN PRO PHE LEU LYS LYS TRP TYR ARG VAL ILE SEQRES 8 A 728 GLY LEU SER GLY ASP THR GLN LEU LYS ILE SER PHE PRO SEQRES 9 A 728 GLU VAL VAL LYS SER CYS ASP ILE ILE ILE SER THR ALA SEQRES 10 A 728 GLN ILE LEU GLU ASN SER LEU LEU ASN LEU GLU ASN GLY SEQRES 11 A 728 GLU ASP ALA GLY VAL GLN LEU SER ASP PHE SER LEU ILE SEQRES 12 A 728 ILE ILE ASP GLU CYS HIS HIS THR ASN LYS GLU ALA VAL SEQRES 13 A 728 TYR ASN ASN ILE MET ARG HIS TYR LEU MET GLN LYS LEU SEQRES 14 A 728 LYS ASN ASN ARG LEU LYS LYS GLU ASN LYS PRO VAL ILE SEQRES 15 A 728 PRO LEU PRO GLN ILE LEU GLY LEU THR ALA SER PRO GLY SEQRES 16 A 728 VAL GLY GLY ALA THR LYS GLN ALA LYS ALA GLU GLU HIS SEQRES 17 A 728 ILE LEU LYS LEU CYS ALA ASN LEU ASP ALA PHE THR ILE SEQRES 18 A 728 LYS THR VAL LYS GLU ASN LEU ASP GLN LEU LYS ASN GLN SEQRES 19 A 728 ILE GLN GLU PRO CYS LYS LYS PHE ALA ILE ALA ASP ALA SEQRES 20 A 728 THR ARG GLU ASP PRO PHE LYS GLU LYS LEU LEU GLU ILE SEQRES 21 A 728 MET THR ARG ILE GLN THR TYR CYS GLN MET SER PRO MET SEQRES 22 A 728 SER ASP PHE GLY THR GLN PRO TYR GLU GLN TRP ALA ILE SEQRES 23 A 728 GLN MET GLU LYS LYS ALA ALA LYS GLU GLY ASN ARG LYS SEQRES 24 A 728 GLU ARG VAL CYS ALA GLU HIS LEU ARG LYS TYR ASN GLU SEQRES 25 A 728 ALA LEU GLN ILE ASN ASP THR ILE ARG MET ILE ASP ALA SEQRES 26 A 728 TYR THR HIS LEU GLU THR PHE TYR ASN GLU GLU LYS ASP SEQRES 27 A 728 LYS LYS PHE ALA VAL ILE GLU ASP ASP SER ASP GLU GLY SEQRES 28 A 728 GLY ASP ASP GLU TYR CYS ASP GLY ASP GLU ASP GLU ASP SEQRES 29 A 728 ASP LEU LYS LYS PRO LEU LYS LEU ASP GLU THR ASP ARG SEQRES 30 A 728 PHE LEU MET THR LEU PHE PHE GLU ASN ASN LYS MET LEU SEQRES 31 A 728 LYS ARG LEU ALA GLU ASN PRO GLU TYR GLU ASN GLU LYS SEQRES 32 A 728 LEU THR LYS LEU ARG ASN THR ILE MET GLU GLN TYR THR SEQRES 33 A 728 ARG THR GLU GLU SER ALA ARG GLY ILE ILE PHE THR LYS SEQRES 34 A 728 THR ARG GLN SER ALA TYR ALA LEU SER GLN TRP ILE THR SEQRES 35 A 728 GLU ASN GLU LYS PHE ALA GLU VAL GLY VAL LYS ALA HIS SEQRES 36 A 728 HIS LEU ILE GLY ALA GLY HIS SER SER GLU PHE LYS PRO SEQRES 37 A 728 MET THR GLN ASN GLU GLN LYS GLU VAL ILE SER LYS PHE SEQRES 38 A 728 ARG THR GLY LYS ILE ASN LEU LEU ILE ALA THR THR VAL SEQRES 39 A 728 ALA GLU GLU GLY LEU ASP ILE LYS GLU CYS ASN ILE VAL SEQRES 40 A 728 ILE ARG TYR GLY LEU VAL THR ASN GLU ILE ALA MET VAL SEQRES 41 A 728 GLN ALA ARG GLY ARG ALA ARG ALA ASP GLU SER THR TYR SEQRES 42 A 728 VAL LEU VAL ALA HIS SER GLY SER GLY VAL ILE GLU HIS SEQRES 43 A 728 GLU THR VAL ASN ASP PHE ARG GLU LYS MET MET TYR LYS SEQRES 44 A 728 ALA ILE HIS CYS VAL GLN ASN MET LYS PRO GLU GLU TYR SEQRES 45 A 728 ALA HIS LYS ILE LEU GLU LEU GLN MET GLN SER ILE MET SEQRES 46 A 728 GLU LYS LYS MET LYS THR LYS ARG ASN ILE ALA LYS HIS SEQRES 47 A 728 TYR LYS ASN ASN PRO SER LEU ILE THR PHE LEU CYS LYS SEQRES 48 A 728 ASN CYS SER VAL LEU ALA CYS SER GLY GLU ASP ILE HIS SEQRES 49 A 728 VAL ILE GLU LYS MET HIS HIS VAL ASN MET THR PRO GLU SEQRES 50 A 728 PHE LYS GLU LEU TYR ILE VAL ARG GLU ASN LYS ALA LEU SEQRES 51 A 728 GLN LYS LYS CYS ALA ASP TYR GLN ILE ASN GLY GLU ILE SEQRES 52 A 728 ILE CYS LYS CYS GLY GLN ALA TRP GLY THR MET MET VAL SEQRES 53 A 728 HIS LYS GLY LEU ASP LEU PRO CYS LEU LYS ILE ARG ASN SEQRES 54 A 728 PHE VAL VAL VAL PHE LYS ASN ASN SER THR LYS LYS GLN SEQRES 55 A 728 TYR LYS LYS TRP VAL GLU LEU PRO ILE THR PHE PRO ASN SEQRES 56 A 728 LEU ASP TYR SER GLU CYS CYS LEU PHE SER ASP GLU ASP SEQRES 1 B 13 C G G U U A G G G G C U A SEQRES 1 C 13 U A G C C C C U A A C C G HET ANP A1101 31 HET MG A1102 1 HET MG A1103 1 HETNAM ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER HETNAM MG MAGNESIUM ION FORMUL 4 ANP C10 H17 N6 O12 P3 FORMUL 5 MG 2(MG 2+) FORMUL 7 HOH *2(H2 O) HELIX 1 AA1 ARG A 309 GLN A 317 1 9 HELIX 2 AA2 GLY A 334 ALA A 353 1 20 HELIX 3 AA3 LYS A 365 LYS A 375 1 11 HELIX 4 AA4 PHE A 377 LYS A 382 1 6 HELIX 5 AA5 SER A 399 CYS A 407 1 9 HELIX 6 AA6 ALA A 414 LEU A 422 1 9 HELIX 7 AA7 GLN A 433 PHE A 437 5 5 HELIX 8 AA8 CYS A 445 THR A 448 5 4 HELIX 9 AA9 ALA A 452 LYS A 473 1 22 HELIX 10 AB1 LYS A 498 LEU A 513 1 16 HELIX 11 AB2 ASN A 524 ILE A 532 1 9 HELIX 12 AB3 ASP A 548 CYS A 565 1 18 HELIX 13 AB4 THR A 575 GLY A 593 1 19 HELIX 14 AB5 ASN A 594 ILE A 617 1 24 HELIX 15 AB6 ARG A 618 LYS A 637 1 20 HELIX 16 AB7 ASP A 670 GLU A 682 1 13 HELIX 17 AB8 ASN A 683 GLU A 692 1 10 HELIX 18 AB9 ASN A 693 GLU A 697 5 5 HELIX 19 AC1 ASN A 698 TYR A 712 1 15 HELIX 20 AC2 THR A 727 GLU A 740 1 14 HELIX 21 AC3 ASN A 741 VAL A 747 1 7 HELIX 22 AC4 THR A 767 ARG A 779 1 13 HELIX 23 AC5 ASN A 812 GLY A 821 1 10 HELIX 24 AC6 GLY A 839 ASN A 863 1 25 HELIX 25 AC7 LYS A 865 MET A 886 1 22 HELIX 26 AC8 LYS A 887 LYS A 894 1 8 HELIX 27 AC9 ASN A 899 SER A 901 5 3 HELIX 28 AD1 THR A 932 GLU A 937 1 6 SHEET 1 AA1 7 VAL A 387 LEU A 390 0 SHEET 2 AA1 7 ILE A 409 THR A 413 1 O ILE A 411 N LEU A 390 SHEET 3 AA1 7 VAL A 359 VAL A 363 1 N VAL A 361 O ILE A 410 SHEET 4 AA1 7 LEU A 439 ASP A 443 1 O ILE A 441 N LEU A 362 SHEET 5 AA1 7 GLN A 483 THR A 488 1 O GLN A 483 N ILE A 440 SHEET 6 AA1 7 ILE A 325 CYS A 328 1 N ILE A 327 O GLY A 486 SHEET 7 AA1 7 THR A 517 THR A 520 1 O LYS A 519 N ILE A 326 SHEET 1 AA2 6 CYS A 536 ALA A 542 0 SHEET 2 AA2 6 THR A 829 HIS A 835 1 O TYR A 830 N CYS A 536 SHEET 3 AA2 6 ILE A 803 TYR A 807 1 N ARG A 806 O VAL A 831 SHEET 4 AA2 6 GLY A 721 PHE A 724 1 N PHE A 724 O ILE A 805 SHEET 5 AA2 6 ILE A 787 THR A 790 1 O THR A 790 N ILE A 723 SHEET 6 AA2 6 ALA A 751 LEU A 754 1 N HIS A 752 O THR A 789 SHEET 1 AA3 4 LEU A 913 SER A 916 0 SHEET 2 AA3 4 ILE A 903 CYS A 907 -1 N PHE A 905 O ALA A 914 SHEET 3 AA3 4 PHE A 987 PHE A 991 -1 O VAL A 988 N LEU A 906 SHEET 4 AA3 4 LYS A 997 LYS A 998 -1 O LYS A 998 N VAL A 989 SHEET 1 AA4 2 ILE A 920 ILE A 923 0 SHEET 2 AA4 2 HIS A 927 ASN A 930 -1 O HIS A 927 N ILE A 923 SHEET 1 AA5 4 TYR A 939 VAL A 941 0 SHEET 2 AA5 4 GLU A 959 CYS A 962 -1 O ILE A 961 N ILE A 940 SHEET 3 AA5 4 ALA A 967 HIS A 974 -1 O TRP A 968 N ILE A 960 SHEET 4 AA5 4 LEU A 977 LEU A 982 -1 O CYS A 981 N THR A 970 SSBOND 1 CYS A 910 CYS A 964 1555 1555 2.04 LINK O3G ANP A1101 MG MG A1102 1555 1555 2.09 LINK O2B ANP A1101 MG MG A1102 1555 1555 2.59 LINK O3A ANP A1101 MG MG A1103 1555 1555 2.92 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 4600 4917 CONECT 4917 4600 CONECT 5912 5913 5914 5915 5919 CONECT 5913 5912 CONECT 5914 5912 CONECT 5915 5912 5943 CONECT 5916 5917 5918 5919 5923 CONECT 5917 5916 CONECT 5918 5916 5943 CONECT 5919 5912 5916 CONECT 5920 5921 5922 5923 5924 CONECT 5921 5920 CONECT 5922 5920 CONECT 5923 5916 5920 5944 CONECT 5924 5920 5925 CONECT 5925 5924 5926 CONECT 5926 5925 5927 5928 CONECT 5927 5926 5932 CONECT 5928 5926 5929 5930 CONECT 5929 5928 CONECT 5930 5928 5931 5932 CONECT 5931 5930 CONECT 5932 5927 5930 5933 CONECT 5933 5932 5934 5942 CONECT 5934 5933 5935 CONECT 5935 5934 5936 CONECT 5936 5935 5937 5942 CONECT 5937 5936 5938 5939 CONECT 5938 5937 CONECT 5939 5937 5940 CONECT 5940 5939 5941 CONECT 5941 5940 5942 CONECT 5942 5933 5936 5941 CONECT 5943 5915 5918 CONECT 5944 5923 MASTER 299 0 3 28 23 0 0 6 5943 3 35 58 END