HEADER CONTRACTILE PROTEIN 20-MAR-24 9B3Q TITLE THE STRUCTURE OF THE HUMAN CARDIAC F-ACTIN MUTANT A331P COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACTIN, ALPHA CARDIAC MUSCLE 1; COMPND 3 CHAIN: A, D, E; COMPND 4 SYNONYM: ALPHA-CARDIAC ACTIN; COMPND 5 EC: 3.6.4.-; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: HUMAN CARDIAC ACTIN WITH THE MUTATION A331P SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ACTC1, ACTC; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: 21 KEYWDS ACTIN, CARDIAC, HUMAN, SARCOMERE, CONTRACTILE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR M.H.DORAN,D.SOUSA,M.J.RYNKIEWICZ,W.LEHMAN,A.CAMMARATO REVDAT 1 29-MAY-24 9B3Q 0 JRNL AUTH M.H.DORAN,M.J.RYNKIEWICZ,D.SOUSA,A.CAMMARATO,W.LEHMAN JRNL TITL STRUCTURE OF HUMAN CARDIAC ACTIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL 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) : 3.600 REMARK 3 NUMBER OF PARTICLES : 140667 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 9B3Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-MAR-24. REMARK 100 THE DEPOSITION ID IS D_1000279986. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : HELICAL REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : FILAMENT REMARK 245 PARTICLE TYPE : HELICAL REMARK 245 NAME OF SAMPLE : HUMAN CARDIAC F-ACTIN WITH REMARK 245 MUTATION A331P 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 : 8.00 REMARK 245 SAMPLE DETAILS : ACTC WAS EXPRESSED IN SF21 REMARK 245 INSECT CELLS, USING RECOMBINANT BACULOVIRUSES, AND PURIFIED VIA REMARK 245 GELSOLIN AFFINITY CHROMATOGRAPHY 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 : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 600.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 8000.00 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) : 6000.00 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, D, E 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 -1 REMARK 465 CYS A 0 REMARK 465 ASP A 1 REMARK 465 ASP A 2 REMARK 465 GLU A 3 REMARK 465 MET D -1 REMARK 465 CYS D 0 REMARK 465 ASP D 1 REMARK 465 ASP D 2 REMARK 465 GLU D 3 REMARK 465 MET E -1 REMARK 465 CYS E 0 REMARK 465 ASP E 1 REMARK 465 ASP E 2 REMARK 465 GLU E 3 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 SER E 300 OG1 THR E 304 2.19 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 PRO E 258 CB - CA - C ANGL. DEV. = -13.0 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 ALA A 7 175.07 179.88 REMARK 500 ARG A 62 -9.25 -59.90 REMARK 500 TRP A 79 -34.88 -38.80 REMARK 500 GLU A 167 86.32 -69.20 REMARK 500 VAL A 201 -51.42 -125.69 REMARK 500 ASN D 12 79.57 -102.12 REMARK 500 TYR D 91 -60.08 -94.69 REMARK 500 TYR D 166 -161.78 -79.86 REMARK 500 GLU D 167 72.16 -69.07 REMARK 500 ARG D 177 116.31 -160.69 REMARK 500 ALA E 7 174.77 178.66 REMARK 500 HIS E 40 -169.86 -120.15 REMARK 500 TRP E 79 -34.70 -39.59 REMARK 500 GLU E 167 73.83 -68.02 REMARK 500 ARG E 177 117.78 -161.53 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 E 256 0.16 SIDE CHAIN 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 A 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ADP A 402 O3B REMARK 620 2 ADP A 402 O3A 55.2 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG D 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ADP D 402 O3B REMARK 620 2 ADP D 402 O3A 55.2 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG E 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ADP E 402 O3B REMARK 620 2 ADP E 402 O3A 61.6 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-44153 RELATED DB: EMDB REMARK 900 THE STRUCTURE OF THE HUMAN CARDIAC F-ACTIN MUTANT A331P DBREF 9B3Q A -1 375 UNP P68032 ACTC_HUMAN 1 377 DBREF 9B3Q D -1 375 UNP P68032 ACTC_HUMAN 1 377 DBREF 9B3Q E -1 375 UNP P68032 ACTC_HUMAN 1 377 SEQADV 9B3Q PRO A 331 UNP P68032 ALA 333 VARIANT SEQADV 9B3Q PRO D 331 UNP P68032 ALA 333 VARIANT SEQADV 9B3Q PRO E 331 UNP P68032 ALA 333 VARIANT SEQRES 1 A 377 MET CYS ASP ASP GLU GLU THR THR ALA LEU VAL CYS ASP SEQRES 2 A 377 ASN GLY SER GLY LEU VAL LYS ALA GLY PHE ALA GLY ASP SEQRES 3 A 377 ASP ALA PRO ARG ALA VAL PHE PRO SER ILE VAL GLY ARG SEQRES 4 A 377 PRO ARG HIS GLN GLY VAL MET VAL GLY MET GLY GLN LYS SEQRES 5 A 377 ASP SER TYR VAL GLY ASP GLU ALA GLN SER LYS ARG GLY SEQRES 6 A 377 ILE LEU THR LEU LYS TYR PRO ILE GLU HIC GLY ILE ILE SEQRES 7 A 377 THR ASN TRP ASP ASP MET GLU LYS ILE TRP HIS HIS THR SEQRES 8 A 377 PHE TYR ASN GLU LEU ARG VAL ALA PRO GLU GLU HIS PRO SEQRES 9 A 377 THR LEU LEU THR GLU ALA PRO LEU ASN PRO LYS ALA ASN SEQRES 10 A 377 ARG GLU LYS MET THR GLN ILE MET PHE GLU THR PHE ASN SEQRES 11 A 377 VAL PRO ALA MET TYR VAL ALA ILE GLN ALA VAL LEU SER SEQRES 12 A 377 LEU TYR ALA SER GLY ARG THR THR GLY ILE VAL LEU ASP SEQRES 13 A 377 SER GLY ASP GLY VAL THR HIS ASN VAL PRO ILE TYR GLU SEQRES 14 A 377 GLY TYR ALA LEU PRO HIS ALA ILE MET ARG LEU ASP LEU SEQRES 15 A 377 ALA GLY ARG ASP LEU THR ASP TYR LEU MET LYS ILE LEU SEQRES 16 A 377 THR GLU ARG GLY TYR SER PHE VAL THR THR ALA GLU ARG SEQRES 17 A 377 GLU ILE VAL ARG ASP ILE LYS GLU LYS LEU CYS TYR VAL SEQRES 18 A 377 ALA LEU ASP PHE GLU ASN GLU MET ALA THR ALA ALA SER SEQRES 19 A 377 SER SER SER LEU GLU LYS SER TYR GLU LEU PRO ASP GLY SEQRES 20 A 377 GLN VAL ILE THR ILE GLY ASN GLU ARG PHE ARG CYS PRO SEQRES 21 A 377 GLU THR LEU PHE GLN PRO SER PHE ILE GLY MET GLU SER SEQRES 22 A 377 ALA GLY ILE HIS GLU THR THR TYR ASN SER ILE MET LYS SEQRES 23 A 377 CYS ASP ILE ASP ILE ARG LYS ASP LEU TYR ALA ASN ASN SEQRES 24 A 377 VAL LEU SER GLY GLY THR THR MET TYR PRO GLY ILE ALA SEQRES 25 A 377 ASP ARG MET GLN LYS GLU ILE THR ALA LEU ALA PRO SER SEQRES 26 A 377 THR MET LYS ILE LYS ILE ILE PRO PRO PRO GLU ARG LYS SEQRES 27 A 377 TYR SER VAL TRP ILE GLY GLY SER ILE LEU ALA SER LEU SEQRES 28 A 377 SER THR PHE GLN GLN MET TRP ILE SER LYS GLN GLU TYR SEQRES 29 A 377 ASP GLU ALA GLY PRO SER ILE VAL HIS ARG LYS CYS PHE SEQRES 1 D 377 MET CYS ASP ASP GLU GLU THR THR ALA LEU VAL CYS ASP SEQRES 2 D 377 ASN GLY SER GLY LEU VAL LYS ALA GLY PHE ALA GLY ASP SEQRES 3 D 377 ASP ALA PRO ARG ALA VAL PHE PRO SER ILE VAL GLY ARG SEQRES 4 D 377 PRO ARG HIS GLN GLY VAL MET VAL GLY MET GLY GLN LYS SEQRES 5 D 377 ASP SER TYR VAL GLY ASP GLU ALA GLN SER LYS ARG GLY SEQRES 6 D 377 ILE LEU THR LEU LYS TYR PRO ILE GLU HIC GLY ILE ILE SEQRES 7 D 377 THR ASN TRP ASP ASP MET GLU LYS ILE TRP HIS HIS THR SEQRES 8 D 377 PHE TYR ASN GLU LEU ARG VAL ALA PRO GLU GLU HIS PRO SEQRES 9 D 377 THR LEU LEU THR GLU ALA PRO LEU ASN PRO LYS ALA ASN SEQRES 10 D 377 ARG GLU LYS MET THR GLN ILE MET PHE GLU THR PHE ASN SEQRES 11 D 377 VAL PRO ALA MET TYR VAL ALA ILE GLN ALA VAL LEU SER SEQRES 12 D 377 LEU TYR ALA SER GLY ARG THR THR GLY ILE VAL LEU ASP SEQRES 13 D 377 SER GLY ASP GLY VAL THR HIS ASN VAL PRO ILE TYR GLU SEQRES 14 D 377 GLY TYR ALA LEU PRO HIS ALA ILE MET ARG LEU ASP LEU SEQRES 15 D 377 ALA GLY ARG ASP LEU THR ASP TYR LEU MET LYS ILE LEU SEQRES 16 D 377 THR GLU ARG GLY TYR SER PHE VAL THR THR ALA GLU ARG SEQRES 17 D 377 GLU ILE VAL ARG ASP ILE LYS GLU LYS LEU CYS TYR VAL SEQRES 18 D 377 ALA LEU ASP PHE GLU ASN GLU MET ALA THR ALA ALA SER SEQRES 19 D 377 SER SER SER LEU GLU LYS SER TYR GLU LEU PRO ASP GLY SEQRES 20 D 377 GLN VAL ILE THR ILE GLY ASN GLU ARG PHE ARG CYS PRO SEQRES 21 D 377 GLU THR LEU PHE GLN PRO SER PHE ILE GLY MET GLU SER SEQRES 22 D 377 ALA GLY ILE HIS GLU THR THR TYR ASN SER ILE MET LYS SEQRES 23 D 377 CYS ASP ILE ASP ILE ARG LYS ASP LEU TYR ALA ASN ASN SEQRES 24 D 377 VAL LEU SER GLY GLY THR THR MET TYR PRO GLY ILE ALA SEQRES 25 D 377 ASP ARG MET GLN LYS GLU ILE THR ALA LEU ALA PRO SER SEQRES 26 D 377 THR MET LYS ILE LYS ILE ILE PRO PRO PRO GLU ARG LYS SEQRES 27 D 377 TYR SER VAL TRP ILE GLY GLY SER ILE LEU ALA SER LEU SEQRES 28 D 377 SER THR PHE GLN GLN MET TRP ILE SER LYS GLN GLU TYR SEQRES 29 D 377 ASP GLU ALA GLY PRO SER ILE VAL HIS ARG LYS CYS PHE SEQRES 1 E 377 MET CYS ASP ASP GLU GLU THR THR ALA LEU VAL CYS ASP SEQRES 2 E 377 ASN GLY SER GLY LEU VAL LYS ALA GLY PHE ALA GLY ASP SEQRES 3 E 377 ASP ALA PRO ARG ALA VAL PHE PRO SER ILE VAL GLY ARG SEQRES 4 E 377 PRO ARG HIS GLN GLY VAL MET VAL GLY MET GLY GLN LYS SEQRES 5 E 377 ASP SER TYR VAL GLY ASP GLU ALA GLN SER LYS ARG GLY SEQRES 6 E 377 ILE LEU THR LEU LYS TYR PRO ILE GLU HIC GLY ILE ILE SEQRES 7 E 377 THR ASN TRP ASP ASP MET GLU LYS ILE TRP HIS HIS THR SEQRES 8 E 377 PHE TYR ASN GLU LEU ARG VAL ALA PRO GLU GLU HIS PRO SEQRES 9 E 377 THR LEU LEU THR GLU ALA PRO LEU ASN PRO LYS ALA ASN SEQRES 10 E 377 ARG GLU LYS MET THR GLN ILE MET PHE GLU THR PHE ASN SEQRES 11 E 377 VAL PRO ALA MET TYR VAL ALA ILE GLN ALA VAL LEU SER SEQRES 12 E 377 LEU TYR ALA SER GLY ARG THR THR GLY ILE VAL LEU ASP SEQRES 13 E 377 SER GLY ASP GLY VAL THR HIS ASN VAL PRO ILE TYR GLU SEQRES 14 E 377 GLY TYR ALA LEU PRO HIS ALA ILE MET ARG LEU ASP LEU SEQRES 15 E 377 ALA GLY ARG ASP LEU THR ASP TYR LEU MET LYS ILE LEU SEQRES 16 E 377 THR GLU ARG GLY TYR SER PHE VAL THR THR ALA GLU ARG SEQRES 17 E 377 GLU ILE VAL ARG ASP ILE LYS GLU LYS LEU CYS TYR VAL SEQRES 18 E 377 ALA LEU ASP PHE GLU ASN GLU MET ALA THR ALA ALA SER SEQRES 19 E 377 SER SER SER LEU GLU LYS SER TYR GLU LEU PRO ASP GLY SEQRES 20 E 377 GLN VAL ILE THR ILE GLY ASN GLU ARG PHE ARG CYS PRO SEQRES 21 E 377 GLU THR LEU PHE GLN PRO SER PHE ILE GLY MET GLU SER SEQRES 22 E 377 ALA GLY ILE HIS GLU THR THR TYR ASN SER ILE MET LYS SEQRES 23 E 377 CYS ASP ILE ASP ILE ARG LYS ASP LEU TYR ALA ASN ASN SEQRES 24 E 377 VAL LEU SER GLY GLY THR THR MET TYR PRO GLY ILE ALA SEQRES 25 E 377 ASP ARG MET GLN LYS GLU ILE THR ALA LEU ALA PRO SER SEQRES 26 E 377 THR MET LYS ILE LYS ILE ILE PRO PRO PRO GLU ARG LYS SEQRES 27 E 377 TYR SER VAL TRP ILE GLY GLY SER ILE LEU ALA SER LEU SEQRES 28 E 377 SER THR PHE GLN GLN MET TRP ILE SER LYS GLN GLU TYR SEQRES 29 E 377 ASP GLU ALA GLY PRO SER ILE VAL HIS ARG LYS CYS PHE MODRES 9B3Q HIC A 73 HIS MODIFIED RESIDUE MODRES 9B3Q HIC D 73 HIS MODIFIED RESIDUE MODRES 9B3Q HIC E 73 HIS MODIFIED RESIDUE HET HIC A 73 11 HET HIC D 73 11 HET HIC E 73 11 HET MG A 401 1 HET ADP A 402 27 HET MG D 401 1 HET ADP D 402 27 HET MG E 401 1 HET ADP E 402 27 HETNAM HIC 4-METHYL-HISTIDINE HETNAM MG MAGNESIUM ION HETNAM ADP ADENOSINE-5'-DIPHOSPHATE FORMUL 1 HIC 3(C7 H11 N3 O2) FORMUL 4 MG 3(MG 2+) FORMUL 5 ADP 3(C10 H15 N5 O10 P2) HELIX 1 AA1 GLU A 57 LYS A 61 5 5 HELIX 2 AA2 ASN A 78 ASN A 92 1 15 HELIX 3 AA3 PRO A 112 THR A 126 1 15 HELIX 4 AA4 GLN A 137 GLY A 146 1 10 HELIX 5 AA5 LEU A 171 ILE A 175 5 5 HELIX 6 AA6 ALA A 181 GLY A 197 1 17 HELIX 7 AA7 THR A 202 CYS A 217 1 16 HELIX 8 AA8 ASP A 222 SER A 232 1 11 HELIX 9 AA9 ASN A 252 CYS A 257 1 6 HELIX 10 AB1 PRO A 258 PHE A 262 5 5 HELIX 11 AB2 GLN A 263 GLY A 268 5 6 HELIX 12 AB3 GLY A 273 LYS A 284 1 12 HELIX 13 AB4 ASP A 286 ASP A 288 5 3 HELIX 14 AB5 ILE A 289 ALA A 295 1 7 HELIX 15 AB6 GLY A 301 TYR A 306 5 6 HELIX 16 AB7 GLY A 308 ALA A 321 1 14 HELIX 17 AB8 GLU A 334 LYS A 336 5 3 HELIX 18 AB9 TYR A 337 LEU A 349 1 13 HELIX 19 AC1 SER A 350 MET A 355 5 6 HELIX 20 AC2 SER A 358 GLY A 366 1 9 HELIX 21 AC3 SER A 368 PHE A 375 1 8 HELIX 22 AC4 GLY D 55 LYS D 61 1 7 HELIX 23 AC5 ASN D 78 ASN D 92 1 15 HELIX 24 AC6 PRO D 112 THR D 126 1 15 HELIX 25 AC7 GLN D 137 GLY D 146 1 10 HELIX 26 AC8 LEU D 171 ILE D 175 5 5 HELIX 27 AC9 ALA D 181 LEU D 193 1 13 HELIX 28 AD1 THR D 202 CYS D 217 1 16 HELIX 29 AD2 ASP D 222 SER D 232 1 11 HELIX 30 AD3 ASN D 252 THR D 260 1 9 HELIX 31 AD4 LEU D 261 PHE D 262 5 2 HELIX 32 AD5 GLN D 263 GLY D 268 5 6 HELIX 33 AD6 GLY D 273 LYS D 284 1 12 HELIX 34 AD7 ASP D 286 ASP D 288 5 3 HELIX 35 AD8 ILE D 289 ALA D 295 1 7 HELIX 36 AD9 GLY D 301 TYR D 306 5 6 HELIX 37 AE1 GLY D 308 ALA D 321 1 14 HELIX 38 AE2 GLU D 334 LYS D 336 5 3 HELIX 39 AE3 TYR D 337 LEU D 349 1 13 HELIX 40 AE4 SER D 350 MET D 355 5 6 HELIX 41 AE5 SER D 358 GLY D 366 1 9 HELIX 42 AE6 SER D 368 CYS D 374 1 7 HELIX 43 AE7 GLY E 55 LYS E 61 1 7 HELIX 44 AE8 ASN E 78 ASN E 92 1 15 HELIX 45 AE9 LYS E 113 THR E 126 1 14 HELIX 46 AF1 GLN E 137 GLY E 146 1 10 HELIX 47 AF2 LEU E 171 ILE E 175 5 5 HELIX 48 AF3 ALA E 181 LEU E 193 1 13 HELIX 49 AF4 THR E 202 CYS E 217 1 16 HELIX 50 AF5 ASP E 222 SER E 232 1 11 HELIX 51 AF6 ASN E 252 CYS E 257 1 6 HELIX 52 AF7 PRO E 258 THR E 260 5 3 HELIX 53 AF8 GLN E 263 GLY E 268 5 6 HELIX 54 AF9 GLY E 273 LYS E 284 1 12 HELIX 55 AG1 ILE E 289 ALA E 295 1 7 HELIX 56 AG2 GLY E 301 TYR E 306 5 6 HELIX 57 AG3 GLY E 308 ALA E 319 1 12 HELIX 58 AG4 GLU E 334 LYS E 336 5 3 HELIX 59 AG5 TYR E 337 LEU E 349 1 13 HELIX 60 AG6 SER E 350 TRP E 356 5 7 HELIX 61 AG7 LYS E 359 GLY E 366 1 8 HELIX 62 AG8 SER E 368 CYS E 374 1 7 SHEET 1 AA1 5 ALA A 29 PRO A 32 0 SHEET 2 AA1 5 LEU A 16 GLY A 20 -1 N VAL A 17 O PHE A 31 SHEET 3 AA1 5 LEU A 8 ASN A 12 -1 N ASP A 11 O LYS A 18 SHEET 4 AA1 5 THR A 103 GLU A 107 1 O LEU A 104 N LEU A 8 SHEET 5 AA1 5 MET A 132 ILE A 136 1 O TYR A 133 N LEU A 105 SHEET 1 AA2 2 VAL A 35 GLY A 36 0 SHEET 2 AA2 2 TYR A 53 VAL A 54 -1 O TYR A 53 N GLY A 36 SHEET 1 AA3 2 ILE A 71 GLU A 72 0 SHEET 2 AA3 2 ILE A 75 ILE A 76 -1 O ILE A 75 N GLU A 72 SHEET 1 AA4 5 ARG A 177 LEU A 178 0 SHEET 2 AA4 5 THR A 160 ILE A 165 -1 N THR A 160 O LEU A 178 SHEET 3 AA4 5 GLY A 150 SER A 155 -1 N GLY A 150 O ILE A 165 SHEET 4 AA4 5 ASN A 297 LEU A 299 1 O VAL A 298 N LEU A 153 SHEET 5 AA4 5 ILE A 329 ILE A 330 1 O ILE A 330 N ASN A 297 SHEET 1 AA5 2 LYS A 238 GLU A 241 0 SHEET 2 AA5 2 VAL A 247 ILE A 250 -1 O ILE A 248 N TYR A 240 SHEET 1 AA6 5 ALA D 29 PRO D 32 0 SHEET 2 AA6 5 LEU D 16 PHE D 21 -1 N VAL D 17 O PHE D 31 SHEET 3 AA6 5 LEU D 8 ASN D 12 -1 N ASP D 11 O LYS D 18 SHEET 4 AA6 5 THR D 103 GLU D 107 1 O LEU D 104 N LEU D 8 SHEET 5 AA6 5 MET D 132 ILE D 136 1 O TYR D 133 N LEU D 105 SHEET 1 AA7 2 VAL D 35 GLY D 36 0 SHEET 2 AA7 2 TYR D 53 VAL D 54 -1 O TYR D 53 N GLY D 36 SHEET 1 AA8 2 ILE D 71 GLU D 72 0 SHEET 2 AA8 2 ILE D 75 ILE D 76 -1 O ILE D 75 N GLU D 72 SHEET 1 AA9 5 ARG D 177 LEU D 178 0 SHEET 2 AA9 5 THR D 160 ILE D 165 -1 N THR D 160 O LEU D 178 SHEET 3 AA9 5 GLY D 150 SER D 155 -1 N GLY D 150 O ILE D 165 SHEET 4 AA9 5 ASN D 297 LEU D 299 1 O VAL D 298 N LEU D 153 SHEET 5 AA9 5 ILE D 329 ILE D 330 1 O ILE D 330 N ASN D 297 SHEET 1 AB1 2 LYS D 238 GLU D 241 0 SHEET 2 AB1 2 VAL D 247 ILE D 250 -1 O ILE D 248 N TYR D 240 SHEET 1 AB2 6 ALA E 29 PRO E 32 0 SHEET 2 AB2 6 LEU E 16 PHE E 21 -1 N VAL E 17 O PHE E 31 SHEET 3 AB2 6 LEU E 8 ASN E 12 -1 N ASP E 11 O LYS E 18 SHEET 4 AB2 6 THR E 103 GLU E 107 1 O LEU E 104 N LEU E 8 SHEET 5 AB2 6 ALA E 131 ILE E 136 1 O TYR E 133 N LEU E 105 SHEET 6 AB2 6 ILE E 357 SER E 358 -1 O ILE E 357 N MET E 132 SHEET 1 AB3 2 VAL E 35 GLY E 36 0 SHEET 2 AB3 2 TYR E 53 VAL E 54 -1 O TYR E 53 N GLY E 36 SHEET 1 AB4 2 ILE E 71 GLU E 72 0 SHEET 2 AB4 2 ILE E 75 ILE E 76 -1 O ILE E 75 N GLU E 72 SHEET 1 AB5 5 ARG E 177 LEU E 178 0 SHEET 2 AB5 5 THR E 160 ILE E 165 -1 N THR E 160 O LEU E 178 SHEET 3 AB5 5 GLY E 150 SER E 155 -1 N GLY E 150 O ILE E 165 SHEET 4 AB5 5 ASN E 297 LEU E 299 1 O VAL E 298 N LEU E 153 SHEET 5 AB5 5 ILE E 329 ILE E 330 1 O ILE E 330 N ASN E 297 SHEET 1 AB6 2 LYS E 238 GLU E 241 0 SHEET 2 AB6 2 VAL E 247 ILE E 250 -1 O ILE E 248 N TYR E 240 LINK C GLU A 72 N HIC A 73 1555 1555 1.33 LINK C HIC A 73 N GLY A 74 1555 1555 1.33 LINK C GLU D 72 N HIC D 73 1555 1555 1.33 LINK C HIC D 73 N GLY D 74 1555 1555 1.33 LINK C GLU E 72 N HIC E 73 1555 1555 1.33 LINK C HIC E 73 N GLY E 74 1555 1555 1.33 LINK MG MG A 401 O3B ADP A 402 1555 1555 1.87 LINK MG MG A 401 O3A ADP A 402 1555 1555 2.99 LINK MG MG D 401 O3B ADP D 402 1555 1555 1.88 LINK MG MG D 401 O3A ADP D 402 1555 1555 3.00 LINK MG MG E 401 O3B ADP E 402 1555 1555 1.83 LINK MG MG E 401 O3A ADP E 402 1555 1555 2.73 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