HEADER OXIDOREDUCTASE 17-FEB-19 6QQ5 TITLE CRYO-EM STRUCTURE OF DIMERIC QUINOL DEPENDENT NITRIC OXIDE REDUCTASE TITLE 2 (QNOR) FROM ALCALIGENES XYLOSOXIDANS COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE REDUCTASE SUBUNIT B; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.7.2.5; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ALCALIGENES XYLOSOXYDANS XYLOSOXYDANS; SOURCE 3 ORGANISM_COMMON: ACHROMOBACTER XYLOSOXIDANS; SOURCE 4 ORGANISM_TAXID: 85698; SOURCE 5 GENE: NORB_1, ERS451415_02175; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: C41; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-26B (+) KEYWDS PROTON TRANSFER, MEMBRANE PROTEIN, HOMODIMER, OXIDOREDUCTASE EXPDTA ELECTRON MICROSCOPY AUTHOR C.C.GOPALASINGAM,R.M.JOHNSON,G.N.CHIDUZA,T.TOSHA,M.YAMAMOTO,Y.SHIRO, AUTHOR 2 S.V.ANTONYUK,S.P.MUENCH,S.S.HASNAIN REVDAT 3 18-DEC-19 6QQ5 1 SCALE REVDAT 2 18-SEP-19 6QQ5 1 JRNL REVDAT 1 11-SEP-19 6QQ5 0 JRNL AUTH C.C.GOPALASINGAM,R.M.JOHNSON,G.N.CHIDUZA,T.TOSHA,M.YAMAMOTO, JRNL AUTH 2 Y.SHIRO,S.V.ANTONYUK,S.P.MUENCH,S.S.HASNAIN JRNL TITL DIMERIC STRUCTURES OF QUINOL-DEPENDENT NITRIC OXIDE JRNL TITL 2 REDUCTASES (QNORS) REVEALED BY CRYO-ELECTRON MICROSCOPY. JRNL REF SCI ADV V. 5 X1803 2019 JRNL REFN ESSN 2375-2548 JRNL PMID 31489376 JRNL DOI 10.1126/SCIADV.AAX1803 REMARK 2 REMARK 2 RESOLUTION. 3.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, EPU, CTFFIND, COOT, RELION, REMARK 3 PHENIX REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 3AYF REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT 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) : 3.900 REMARK 3 NUMBER OF PARTICLES : 56134 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 6QQ5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 18-FEB-19. REMARK 100 THE DEPOSITION ID IS D_1292100691. 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 : QUINOL DEPENDENT NITRIC OXIDE REMARK 245 REDUCTASE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 3.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : BLOT FOR 6 SECONDS WITH BLOT REMARK 245 FORCE OF 6 PRIOR TO PLUNGE REMARK 245 FREEZING REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 3213 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 SUMMIT (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : -1500.00 REMARK 245 MAXIMUM DEFOCUS (NM) : -3500.00 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) : 65.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 75000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10060 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 52190 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -202.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 LYS A 257 REMARK 465 GLU A 258 REMARK 465 GLU A 259 REMARK 465 ASP A 260 REMARK 465 GLU A 261 REMARK 465 SER A 744 REMARK 465 GLY A 745 REMARK 465 LYS A 746 REMARK 465 LYS B 257 REMARK 465 GLU B 258 REMARK 465 GLU B 259 REMARK 465 ASP B 260 REMARK 465 GLU B 261 REMARK 465 SER B 744 REMARK 465 GLY B 745 REMARK 465 LYS B 746 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 ASP A 396 CG OD1 OD2 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 CE1 HIS B 486 FE FE B 803 1.79 REMARK 500 CE1 HIS A 486 FE FE A 803 1.81 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 A 164 C - N - CA ANGL. DEV. = 9.1 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 TYR A 4 40.20 -109.99 REMARK 500 LEU A 69 -61.10 -94.87 REMARK 500 ALA A 103 -62.33 -109.93 REMARK 500 HIS A 104 -72.01 -121.33 REMARK 500 ARG A 128 32.72 -94.29 REMARK 500 ALA A 129 -158.87 -148.57 REMARK 500 ASP A 133 37.35 -99.72 REMARK 500 LEU A 166 36.66 -98.94 REMARK 500 ARG A 168 15.95 50.16 REMARK 500 LYS A 176 -78.83 -67.86 REMARK 500 GLU A 177 -28.06 -147.65 REMARK 500 THR A 179 -13.87 69.36 REMARK 500 LEU A 180 95.66 -162.98 REMARK 500 HIS A 217 98.03 -68.73 REMARK 500 SER A 226 -166.58 -78.47 REMARK 500 LEU A 254 77.14 -100.12 REMARK 500 LYS A 312 -53.21 -122.98 REMARK 500 LEU A 318 51.24 -93.30 REMARK 500 TYR A 408 -5.85 73.28 REMARK 500 LYS A 445 48.16 -91.53 REMARK 500 ARG A 513 -1.54 65.90 REMARK 500 PHE A 541 63.21 -102.69 REMARK 500 ALA A 542 88.63 -150.17 REMARK 500 GLU A 569 18.04 59.34 REMARK 500 LEU A 623 -166.85 -126.78 REMARK 500 ASN A 624 34.79 -99.22 REMARK 500 TYR A 652 -5.41 70.93 REMARK 500 PRO A 655 44.33 -85.80 REMARK 500 SER A 660 76.32 53.28 REMARK 500 ASP A 711 -3.84 71.97 REMARK 500 TYR B 4 40.72 -107.83 REMARK 500 LEU B 69 -61.12 -94.57 REMARK 500 HIS B 104 -72.29 -120.63 REMARK 500 ARG B 128 34.40 -96.16 REMARK 500 ALA B 129 -158.61 -149.08 REMARK 500 ARG B 131 -165.34 -79.86 REMARK 500 LEU B 166 38.32 -99.45 REMARK 500 ARG B 168 17.20 50.48 REMARK 500 LYS B 176 -79.37 -67.79 REMARK 500 GLU B 177 -30.19 -144.73 REMARK 500 THR B 179 -11.84 70.41 REMARK 500 LEU B 180 94.82 -160.19 REMARK 500 HIS B 217 98.25 -68.68 REMARK 500 LYS B 312 -50.20 -124.11 REMARK 500 LEU B 318 49.53 -95.23 REMARK 500 LEU B 397 77.23 -100.67 REMARK 500 TYR B 408 -5.76 73.61 REMARK 500 LYS B 445 47.88 -91.20 REMARK 500 ARG B 513 -1.91 65.83 REMARK 500 PHE B 541 62.75 -103.38 REMARK 500 REMARK 500 THIS ENTRY HAS 56 RAMACHANDRAN OUTLIERS. 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 CA A 804 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 76 O REMARK 620 2 TYR A 78 OH 93.3 REMARK 620 3 GLU A 407 OE1 86.1 176.1 REMARK 620 4 GLU A 407 OE2 80.0 136.7 47.0 REMARK 620 5 HEM A 801 O1D 106.6 93.1 83.3 129.9 REMARK 620 6 HEM A 801 O2D 130.9 52.9 125.1 149.0 51.3 REMARK 620 7 HEM A 802 O2A 148.2 69.6 112.7 94.1 101.1 59.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 801 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 331 NE2 REMARK 620 2 HEM A 801 NA 77.0 REMARK 620 3 HEM A 801 NB 90.8 89.5 REMARK 620 4 HEM A 801 NC 100.3 177.2 91.1 REMARK 620 5 HEM A 801 ND 87.1 90.6 177.8 88.7 REMARK 620 6 HIS A 631 NE2 155.7 86.6 107.1 95.8 75.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE A 803 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 486 ND1 REMARK 620 2 HIS A 537 NE2 130.4 REMARK 620 3 HIS A 538 NE2 87.2 110.0 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 802 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 629 NE2 REMARK 620 2 HEM A 802 NA 90.1 REMARK 620 3 HEM A 802 NB 99.6 89.7 REMARK 620 4 HEM A 802 NC 97.7 171.9 91.3 REMARK 620 5 HEM A 802 ND 84.7 90.6 175.7 87.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 804 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY B 76 O REMARK 620 2 TYR B 78 OH 93.6 REMARK 620 3 GLU B 407 OE1 86.2 175.9 REMARK 620 4 GLU B 407 OE2 79.8 136.9 47.1 REMARK 620 5 HEM B 801 O1D 106.1 92.1 84.0 130.8 REMARK 620 6 HEM B 801 O2D 131.1 52.4 125.2 149.1 51.4 REMARK 620 7 HEM B 802 O2A 148.4 68.9 113.1 94.9 100.9 58.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 801 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 331 NE2 REMARK 620 2 HEM B 801 NA 74.5 REMARK 620 3 HEM B 801 NB 90.3 91.5 REMARK 620 4 HEM B 801 NC 104.5 178.8 89.1 REMARK 620 5 HEM B 801 ND 88.5 89.3 178.3 90.1 REMARK 620 6 HIS B 631 NE2 154.1 83.5 103.8 97.4 77.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B 803 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 486 ND1 REMARK 620 2 HIS B 537 NE2 131.6 REMARK 620 3 HIS B 538 NE2 86.9 111.0 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 802 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 629 NE2 REMARK 620 2 HEM B 802 NA 87.0 REMARK 620 3 HEM B 802 NB 101.5 90.0 REMARK 620 4 HEM B 802 NC 100.8 171.7 91.1 REMARK 620 5 HEM B 802 ND 82.8 90.2 175.7 88.1 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FE A 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FE B 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 804 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-4618 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF DIMERIC QUINOL DEPENDENT NITRIC OXIDE REMARK 900 REDUCTASE (QNOR) FROM ALCALIGENES XYLOSOXIDANS DBREF1 6QQ5 A 1 746 UNP A0A0D6H8R3_ALCXX DBREF2 6QQ5 A A0A0D6H8R3 1 746 DBREF1 6QQ5 B 1 746 UNP A0A0D6H8R3_ALCXX DBREF2 6QQ5 B A0A0D6H8R3 1 746 SEQADV 6QQ5 GLY A 201 UNP A0A0D6H8R ALA 201 CONFLICT SEQADV 6QQ5 GLY B 201 UNP A0A0D6H8R ALA 201 CONFLICT SEQRES 1 A 746 MET GLY PRO TYR ARG ARG LEU TRP PHE THR LEU ILE ALA SEQRES 2 A 746 VAL LEU ALA VAL THR PHE ALA LEU LEU GLY PHE TYR GLY SEQRES 3 A 746 GLY GLU VAL TYR ARG GLN ALA PRO PRO ILE PRO GLU GLU SEQRES 4 A 746 VAL ALA SER ALA ASP GLY THR ARG LEU PHE GLY ARG ASP SEQRES 5 A 746 ASP ILE LEU ASP GLY GLN THR ALA TRP GLN SER ILE GLY SEQRES 6 A 746 GLY MET GLN LEU GLY SER ILE TRP GLY HIS GLY ALA TYR SEQRES 7 A 746 GLN ALA PRO ASP TRP THR ALA ASP TRP LEU HIS ARG GLU SEQRES 8 A 746 LEU MET ALA TRP LEU ASP LEU ALA ALA ARG ASP ALA HIS SEQRES 9 A 746 GLY ARG ASP TYR GLY GLN LEU ASP ALA PRO ALA GLN ALA SEQRES 10 A 746 ALA LEU ARG GLU GLN LEU LYS ALA GLU TYR ARG ALA ASN SEQRES 11 A 746 ARG ALA ASP ALA ALA GLY GLY LYS LEU THR LEU SER PRO SEQRES 12 A 746 ARG ARG ALA GLN ALA VAL ALA GLN THR GLU ALA TYR TYR SEQRES 13 A 746 ASP GLN LEU PHE SER ASP ALA PRO ALA LEU HIS ARG SER SEQRES 14 A 746 ARG GLU ASN TYR ALA MET LYS GLU ASN THR LEU PRO ASP SEQRES 15 A 746 ALA ASN ARG ARG ARG GLN MET THR HIS PHE PHE PHE TRP SEQRES 16 A 746 THR ALA TRP ALA ALA GLY THR GLU ARG GLU GLY THR SER SEQRES 17 A 746 VAL THR TYR THR ASN ASN TRP PRO HIS GLU PRO LEU ILE SEQRES 18 A 746 GLY ASN HIS PRO SER SER GLU ASN VAL MET TRP SER ILE SEQRES 19 A 746 ILE SER VAL VAL VAL LEU LEU ALA GLY ILE GLY LEU LEU SEQRES 20 A 746 ILE TRP ALA TRP ALA PHE LEU ARG GLY LYS GLU GLU ASP SEQRES 21 A 746 GLU PRO PRO ALA PRO ALA ARG ASP PRO LEU THR THR PHE SEQRES 22 A 746 ALA LEU THR PRO SER GLN ARG ALA LEU GLY LYS TYR LEU SEQRES 23 A 746 PHE LEU VAL VAL ALA LEU PHE GLY PHE GLN VAL LEU LEU SEQRES 24 A 746 GLY GLY PHE THR ALA HIS TYR THR VAL GLU GLY GLN LYS SEQRES 25 A 746 PHE TYR GLY ILE ASP LEU SER GLN TRP PHE PRO TYR SER SEQRES 26 A 746 LEU VAL ARG THR TRP HIS ILE GLN SER ALA LEU PHE TRP SEQRES 27 A 746 ILE ALA THR GLY PHE LEU ALA ALA GLY LEU PHE LEU ALA SEQRES 28 A 746 PRO LEU ILE ASN GLY GLY ARG ASP PRO LYS TYR GLN LYS SEQRES 29 A 746 ALA GLY VAL ASP ILE LEU PHE TRP ALA LEU VAL LEU VAL SEQRES 30 A 746 VAL VAL GLY SER PHE ALA GLY ASN TYR LEU ALA ILE ALA SEQRES 31 A 746 GLN ILE MET PRO PRO ASP LEU ASN PHE TRP LEU GLY HIS SEQRES 32 A 746 GLN GLY TYR GLU TYR VAL ASP LEU GLY ARG LEU TRP GLN SEQRES 33 A 746 ILE GLY LYS PHE ALA GLY ILE CYS PHE TRP LEU VAL LEU SEQRES 34 A 746 MET LEU ARG GLY ILE VAL PRO ALA LEU ARG THR PRO GLY SEQRES 35 A 746 GLY ASP LYS ASN LEU LEU ALA LEU LEU THR ALA SER VAL SEQRES 36 A 746 GLY ALA ILE GLY LEU PHE TYR GLY ALA GLY PHE PHE TYR SEQRES 37 A 746 GLY GLU ARG THR HIS LEU THR VAL MET GLU TYR TRP ARG SEQRES 38 A 746 TRP TRP ILE VAL HIS LEU TRP VAL GLU GLY PHE PHE GLU SEQRES 39 A 746 VAL PHE ALA THR THR ALA LEU ALA PHE ILE PHE SER THR SEQRES 40 A 746 LEU GLY LEU VAL SER ARG ARG MET ALA THR THR ALA SER SEQRES 41 A 746 LEU ALA SER ALA SER LEU PHE MET LEU GLY GLY ILE PRO SEQRES 42 A 746 GLY THR PHE HIS HIS LEU TYR PHE ALA GLY THR THR THR SEQRES 43 A 746 PRO VAL MET ALA VAL GLY ALA SER PHE SER ALA LEU GLU SEQRES 44 A 746 VAL VAL PRO LEU ILE VAL LEU GLY HIS GLU ALA TRP GLU SEQRES 45 A 746 ASN TRP ARG LEU LYS THR ARG ALA PRO TRP MET GLU ASN SEQRES 46 A 746 LEU LYS TRP PRO LEU MET CYS PHE VAL ALA VAL ALA PHE SEQRES 47 A 746 TRP ASN MET LEU GLY ALA GLY VAL PHE GLY PHE MET ILE SEQRES 48 A 746 ASN PRO PRO VAL SER LEU TYR TYR ILE GLN GLY LEU ASN SEQRES 49 A 746 THR THR PRO VAL HIS ALA HIS ALA ALA LEU PHE GLY VAL SEQRES 50 A 746 TYR GLY PHE LEU ALA LEU GLY PHE THR LEU LEU VAL LEU SEQRES 51 A 746 ARG TYR ILE ARG PRO GLN TYR ALA LEU SER PRO GLY LEU SEQRES 52 A 746 MET LYS LEU ALA PHE TRP GLY LEU ASN LEU GLY LEU ALA SEQRES 53 A 746 LEU MET ILE PHE THR SER LEU LEU PRO ILE GLY LEU ILE SEQRES 54 A 746 GLN PHE HIS ALA SER VAL SER GLU GLY MET TRP TYR ALA SEQRES 55 A 746 ARG SER GLU ALA PHE MET GLN GLN ASP ILE LEU LYS THR SEQRES 56 A 746 LEU ARG TRP GLY ARG THR PHE GLY ASP VAL VAL PHE LEU SEQRES 57 A 746 LEU GLY ALA LEU ALA MET VAL VAL GLN VAL ILE LEU GLY SEQRES 58 A 746 LEU LEU SER GLY LYS SEQRES 1 B 746 MET GLY PRO TYR ARG ARG LEU TRP PHE THR LEU ILE ALA SEQRES 2 B 746 VAL LEU ALA VAL THR PHE ALA LEU LEU GLY PHE TYR GLY SEQRES 3 B 746 GLY GLU VAL TYR ARG GLN ALA PRO PRO ILE PRO GLU GLU SEQRES 4 B 746 VAL ALA SER ALA ASP GLY THR ARG LEU PHE GLY ARG ASP SEQRES 5 B 746 ASP ILE LEU ASP GLY GLN THR ALA TRP GLN SER ILE GLY SEQRES 6 B 746 GLY MET GLN LEU GLY SER ILE TRP GLY HIS GLY ALA TYR SEQRES 7 B 746 GLN ALA PRO ASP TRP THR ALA ASP TRP LEU HIS ARG GLU SEQRES 8 B 746 LEU MET ALA TRP LEU ASP LEU ALA ALA ARG ASP ALA HIS SEQRES 9 B 746 GLY ARG ASP TYR GLY GLN LEU ASP ALA PRO ALA GLN ALA SEQRES 10 B 746 ALA LEU ARG GLU GLN LEU LYS ALA GLU TYR ARG ALA ASN SEQRES 11 B 746 ARG ALA ASP ALA ALA GLY GLY LYS LEU THR LEU SER PRO SEQRES 12 B 746 ARG ARG ALA GLN ALA VAL ALA GLN THR GLU ALA TYR TYR SEQRES 13 B 746 ASP GLN LEU PHE SER ASP ALA PRO ALA LEU HIS ARG SER SEQRES 14 B 746 ARG GLU ASN TYR ALA MET LYS GLU ASN THR LEU PRO ASP SEQRES 15 B 746 ALA ASN ARG ARG ARG GLN MET THR HIS PHE PHE PHE TRP SEQRES 16 B 746 THR ALA TRP ALA ALA GLY THR GLU ARG GLU GLY THR SER SEQRES 17 B 746 VAL THR TYR THR ASN ASN TRP PRO HIS GLU PRO LEU ILE SEQRES 18 B 746 GLY ASN HIS PRO SER SER GLU ASN VAL MET TRP SER ILE SEQRES 19 B 746 ILE SER VAL VAL VAL LEU LEU ALA GLY ILE GLY LEU LEU SEQRES 20 B 746 ILE TRP ALA TRP ALA PHE LEU ARG GLY LYS GLU GLU ASP SEQRES 21 B 746 GLU PRO PRO ALA PRO ALA ARG ASP PRO LEU THR THR PHE SEQRES 22 B 746 ALA LEU THR PRO SER GLN ARG ALA LEU GLY LYS TYR LEU SEQRES 23 B 746 PHE LEU VAL VAL ALA LEU PHE GLY PHE GLN VAL LEU LEU SEQRES 24 B 746 GLY GLY PHE THR ALA HIS TYR THR VAL GLU GLY GLN LYS SEQRES 25 B 746 PHE TYR GLY ILE ASP LEU SER GLN TRP PHE PRO TYR SER SEQRES 26 B 746 LEU VAL ARG THR TRP HIS ILE GLN SER ALA LEU PHE TRP SEQRES 27 B 746 ILE ALA THR GLY PHE LEU ALA ALA GLY LEU PHE LEU ALA SEQRES 28 B 746 PRO LEU ILE ASN GLY GLY ARG ASP PRO LYS TYR GLN LYS SEQRES 29 B 746 ALA GLY VAL ASP ILE LEU PHE TRP ALA LEU VAL LEU VAL SEQRES 30 B 746 VAL VAL GLY SER PHE ALA GLY ASN TYR LEU ALA ILE ALA SEQRES 31 B 746 GLN ILE MET PRO PRO ASP LEU ASN PHE TRP LEU GLY HIS SEQRES 32 B 746 GLN GLY TYR GLU TYR VAL ASP LEU GLY ARG LEU TRP GLN SEQRES 33 B 746 ILE GLY LYS PHE ALA GLY ILE CYS PHE TRP LEU VAL LEU SEQRES 34 B 746 MET LEU ARG GLY ILE VAL PRO ALA LEU ARG THR PRO GLY SEQRES 35 B 746 GLY ASP LYS ASN LEU LEU ALA LEU LEU THR ALA SER VAL SEQRES 36 B 746 GLY ALA ILE GLY LEU PHE TYR GLY ALA GLY PHE PHE TYR SEQRES 37 B 746 GLY GLU ARG THR HIS LEU THR VAL MET GLU TYR TRP ARG SEQRES 38 B 746 TRP TRP ILE VAL HIS LEU TRP VAL GLU GLY PHE PHE GLU SEQRES 39 B 746 VAL PHE ALA THR THR ALA LEU ALA PHE ILE PHE SER THR SEQRES 40 B 746 LEU GLY LEU VAL SER ARG ARG MET ALA THR THR ALA SER SEQRES 41 B 746 LEU ALA SER ALA SER LEU PHE MET LEU GLY GLY ILE PRO SEQRES 42 B 746 GLY THR PHE HIS HIS LEU TYR PHE ALA GLY THR THR THR SEQRES 43 B 746 PRO VAL MET ALA VAL GLY ALA SER PHE SER ALA LEU GLU SEQRES 44 B 746 VAL VAL PRO LEU ILE VAL LEU GLY HIS GLU ALA TRP GLU SEQRES 45 B 746 ASN TRP ARG LEU LYS THR ARG ALA PRO TRP MET GLU ASN SEQRES 46 B 746 LEU LYS TRP PRO LEU MET CYS PHE VAL ALA VAL ALA PHE SEQRES 47 B 746 TRP ASN MET LEU GLY ALA GLY VAL PHE GLY PHE MET ILE SEQRES 48 B 746 ASN PRO PRO VAL SER LEU TYR TYR ILE GLN GLY LEU ASN SEQRES 49 B 746 THR THR PRO VAL HIS ALA HIS ALA ALA LEU PHE GLY VAL SEQRES 50 B 746 TYR GLY PHE LEU ALA LEU GLY PHE THR LEU LEU VAL LEU SEQRES 51 B 746 ARG TYR ILE ARG PRO GLN TYR ALA LEU SER PRO GLY LEU SEQRES 52 B 746 MET LYS LEU ALA PHE TRP GLY LEU ASN LEU GLY LEU ALA SEQRES 53 B 746 LEU MET ILE PHE THR SER LEU LEU PRO ILE GLY LEU ILE SEQRES 54 B 746 GLN PHE HIS ALA SER VAL SER GLU GLY MET TRP TYR ALA SEQRES 55 B 746 ARG SER GLU ALA PHE MET GLN GLN ASP ILE LEU LYS THR SEQRES 56 B 746 LEU ARG TRP GLY ARG THR PHE GLY ASP VAL VAL PHE LEU SEQRES 57 B 746 LEU GLY ALA LEU ALA MET VAL VAL GLN VAL ILE LEU GLY SEQRES 58 B 746 LEU LEU SER GLY LYS HET HEM A 801 43 HET HEM A 802 43 HET FE A 803 1 HET CA A 804 1 HET HEM B 801 43 HET HEM B 802 43 HET FE B 803 1 HET CA B 804 1 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM FE FE (III) ION HETNAM CA CALCIUM ION HETSYN HEM HEME FORMUL 3 HEM 4(C34 H32 FE N4 O4) FORMUL 5 FE 2(FE 3+) FORMUL 6 CA 2(CA 2+) HELIX 1 AA1 ARG A 6 GLN A 32 1 27 HELIX 2 AA2 ARG A 51 SER A 63 1 13 HELIX 3 AA3 ILE A 64 LEU A 69 5 6 HELIX 4 AA4 ASP A 82 ARG A 101 1 20 HELIX 5 AA5 ASP A 107 LEU A 111 5 5 HELIX 6 AA6 ASP A 112 TYR A 127 1 16 HELIX 7 AA7 SER A 142 PHE A 160 1 19 HELIX 8 AA8 ASP A 182 ALA A 197 1 16 HELIX 9 AA9 SER A 227 LEU A 254 1 28 HELIX 10 AB1 SER A 278 ALA A 281 5 4 HELIX 11 AB2 LEU A 282 ALA A 304 1 23 HELIX 12 AB3 ALA A 304 GLU A 309 1 6 HELIX 13 AB4 PRO A 323 ALA A 351 1 29 HELIX 14 AB5 TYR A 362 ALA A 390 1 29 HELIX 15 AB6 GLY A 412 ARG A 439 1 28 HELIX 16 AB7 LYS A 445 GLY A 459 1 15 HELIX 17 AB8 TYR A 462 PHE A 466 5 5 HELIX 18 AB9 HIS A 473 GLU A 478 1 6 HELIX 19 AC1 PHE A 492 LEU A 508 1 17 HELIX 20 AC2 THR A 517 SER A 520 5 4 HELIX 21 AC3 LEU A 521 LEU A 526 1 6 HELIX 22 AC4 GLY A 534 LEU A 539 5 6 HELIX 23 AC5 THR A 545 PHE A 555 1 11 HELIX 24 AC6 SER A 556 GLU A 559 5 4 HELIX 25 AC7 VAL A 560 VAL A 565 1 6 HELIX 26 AC8 ALA A 580 GLU A 584 5 5 HELIX 27 AC9 TRP A 588 GLY A 603 1 16 HELIX 28 AD1 GLY A 605 MET A 610 1 6 HELIX 29 AD2 THR A 625 GLY A 636 1 12 HELIX 30 AD3 LEU A 643 LEU A 648 1 6 HELIX 31 AD4 LEU A 663 GLY A 670 1 8 HELIX 32 AD5 GLY A 670 MET A 678 1 9 HELIX 33 AD6 MET A 678 LEU A 683 1 6 HELIX 34 AD7 LEU A 683 GLU A 697 1 15 HELIX 35 AD8 MET A 699 ARG A 703 5 5 HELIX 36 AD9 ARG A 720 LEU A 742 1 23 HELIX 37 AE1 ARG B 6 THR B 18 1 13 HELIX 38 AE2 TYR B 25 ARG B 31 1 7 HELIX 39 AE3 ARG B 51 SER B 63 1 13 HELIX 40 AE4 ILE B 64 LEU B 69 5 6 HELIX 41 AE5 ALA B 85 ALA B 99 1 15 HELIX 42 AE6 ASP B 107 LEU B 111 5 5 HELIX 43 AE7 ASP B 112 ALA B 117 1 6 HELIX 44 AE8 LEU B 119 TYR B 127 1 9 HELIX 45 AE9 SER B 142 PHE B 160 1 19 HELIX 46 AF1 ASN B 184 ALA B 199 1 16 HELIX 47 AF2 SER B 226 LEU B 254 1 29 HELIX 48 AF3 SER B 278 GLY B 283 5 6 HELIX 49 AF4 LYS B 284 ALA B 304 1 21 HELIX 50 AF5 ALA B 304 GLU B 309 1 6 HELIX 51 AF6 PRO B 323 LEU B 350 1 28 HELIX 52 AF7 LEU B 350 ASN B 355 1 6 HELIX 53 AF8 GLN B 363 ASP B 368 1 6 HELIX 54 AF9 LEU B 370 ASN B 385 1 16 HELIX 55 AG1 ASN B 385 ALA B 390 1 6 HELIX 56 AG2 GLY B 412 ARG B 432 1 21 HELIX 57 AG3 ILE B 434 ARG B 439 1 6 HELIX 58 AG4 LYS B 445 GLY B 459 1 15 HELIX 59 AG5 TYR B 462 PHE B 466 5 5 HELIX 60 AG6 HIS B 473 GLU B 478 1 6 HELIX 61 AG7 PHE B 492 LEU B 508 1 17 HELIX 62 AG8 THR B 517 LEU B 521 5 5 HELIX 63 AG9 GLY B 534 LEU B 539 5 6 HELIX 64 AH1 PRO B 547 PHE B 555 1 9 HELIX 65 AH2 SER B 556 GLU B 559 5 4 HELIX 66 AH3 VAL B 560 VAL B 565 1 6 HELIX 67 AH4 ALA B 580 GLU B 584 5 5 HELIX 68 AH5 TRP B 588 GLY B 603 1 16 HELIX 69 AH6 GLY B 605 MET B 610 1 6 HELIX 70 AH7 THR B 625 GLY B 636 1 12 HELIX 71 AH8 LEU B 663 PHE B 668 1 6 HELIX 72 AH9 LEU B 671 ALA B 676 1 6 HELIX 73 AI1 MET B 678 LEU B 683 1 6 HELIX 74 AI2 PRO B 685 VAL B 695 1 11 HELIX 75 AI3 MET B 699 ARG B 703 5 5 HELIX 76 AI4 ARG B 720 LEU B 742 1 23 SHEET 1 AA1 2 GLU A 39 ALA A 41 0 SHEET 2 AA1 2 ARG A 47 GLY A 50 -1 O LEU A 48 N VAL A 40 SHEET 1 AA2 2 GLU B 39 ALA B 41 0 SHEET 2 AA2 2 ARG B 47 GLY B 50 -1 O LEU B 48 N VAL B 40 LINK O GLY A 76 CA CA A 804 1555 1555 2.39 LINK OH TYR A 78 CA CA A 804 1555 1555 2.59 LINK NE2 HIS A 331 FE HEM A 801 1555 1555 2.15 LINK OE1 GLU A 407 CA CA A 804 1555 1555 2.90 LINK OE2 GLU A 407 CA CA A 804 1555 1555 2.49 LINK ND1 HIS A 486 FE FE A 803 1555 1555 1.95 LINK NE2 HIS A 537 FE FE A 803 1555 1555 2.37 LINK NE2 HIS A 538 FE FE A 803 1555 1555 2.08 LINK NE2 HIS A 629 FE HEM A 802 1555 1555 1.88 LINK NE2 HIS A 631 FE HEM A 801 1555 1555 2.11 LINK O GLY B 76 CA CA B 804 1555 1555 2.38 LINK OH TYR B 78 CA CA B 804 1555 1555 2.60 LINK NE2 HIS B 331 FE HEM B 801 1555 1555 2.12 LINK OE1 GLU B 407 CA CA B 804 1555 1555 2.89 LINK OE2 GLU B 407 CA CA B 804 1555 1555 2.49 LINK ND1 HIS B 486 FE FE B 803 1555 1555 1.95 LINK NE2 HIS B 537 FE FE B 803 1555 1555 2.40 LINK NE2 HIS B 538 FE FE B 803 1555 1555 2.09 LINK NE2 HIS B 629 FE HEM B 802 1555 1555 1.88 LINK NE2 HIS B 631 FE HEM B 801 1555 1555 2.11 LINK O1D HEM A 801 CA CA A 804 1555 1555 2.29 LINK O2D HEM A 801 CA CA A 804 1555 1555 2.68 LINK O2A HEM A 802 CA CA A 804 1555 1555 2.59 LINK O1D HEM B 801 CA CA B 804 1555 1555 2.30 LINK O2D HEM B 801 CA CA B 804 1555 1555 2.68 LINK O2A HEM B 802 CA CA B 804 1555 1555 2.59 SITE 1 AC1 17 TYR A 78 GLN A 296 GLY A 300 TYR A 324 SITE 2 AC1 17 ARG A 328 HIS A 331 ALA A 335 ILE A 339 SITE 3 AC1 17 GLU A 407 TYR A 408 HIS A 631 LEU A 634 SITE 4 AC1 17 ARG A 720 ASP A 724 PHE A 727 HEM A 802 SITE 5 AC1 17 CA A 804 SITE 1 AC2 16 TYR A 78 GLU A 407 TYR A 408 TRP A 482 SITE 2 AC2 16 HIS A 537 GLU A 559 VAL A 560 ALA A 604 SITE 3 AC2 16 GLY A 608 ASN A 612 THR A 626 HIS A 629 SITE 4 AC2 16 ALA A 633 TYR A 638 HEM A 801 CA A 804 SITE 1 AC3 3 HIS A 486 HIS A 537 HIS A 538 SITE 1 AC4 5 GLY A 76 TYR A 78 GLU A 407 HEM A 801 SITE 2 AC4 5 HEM A 802 SITE 1 AC5 16 TYR B 78 GLN B 296 GLY B 300 TYR B 324 SITE 2 AC5 16 ARG B 328 HIS B 331 ALA B 335 TRP B 338 SITE 3 AC5 16 GLU B 407 TYR B 408 HIS B 631 ARG B 720 SITE 4 AC5 16 ASP B 724 PHE B 727 HEM B 802 CA B 804 SITE 1 AC6 17 TYR B 78 GLU B 407 TYR B 408 TRP B 482 SITE 2 AC6 17 GLU B 490 HIS B 537 GLU B 559 VAL B 560 SITE 3 AC6 17 ALA B 604 GLY B 608 ASN B 612 THR B 626 SITE 4 AC6 17 HIS B 629 ALA B 633 TYR B 638 HEM B 801 SITE 5 AC6 17 CA B 804 SITE 1 AC7 3 HIS B 486 HIS B 537 HIS B 538 SITE 1 AC8 5 GLY B 76 TYR B 78 GLU B 407 HEM B 801 SITE 2 AC8 5 HEM B 802 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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