HEADER OXIDOREDUCTASE 11-OCT-19 6L3H TITLE CRYO-EM STRUCTURE OF DIMERIC QUINOL DEPENDENT NITRIC OXIDE REDUCTASE TITLE 2 (QNOR) FROM THE PATHOGEN NEISSERIA MENINIGITIDIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC-OXIDE REDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.7.99.7; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NEISSERIA MENINGITIDIS ALPHA14; SOURCE 3 ORGANISM_TAXID: 662598; SOURCE 4 STRAIN: ALPHA14; SOURCE 5 GENE: NORB, NMO_1451; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VARIANT: C43; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PRSET-C KEYWDS NEISSERIA MENINGITIDIS, QUINOL-DEPENDENT ELECTROGENIC NITRIC OXIDE KEYWDS 2 REDUCTASE (QNOR), OXIDOREDUCTASE EXPDTA ELECTRON MICROSCOPY AUTHOR M.M.A.JAMALI,C.C.GOPALASINGAM,R.M.JOHNSON,T.TOSHA,S.P.MUENCH, AUTHOR 2 K.MURAMOTO,S.V.ANTONYUK,Y.SHIRO,S.S.HASNAIN REVDAT 3 27-MAR-24 6L3H 1 REMARK LINK REVDAT 2 03-JUN-20 6L3H 1 JRNL REVDAT 1 01-APR-20 6L3H 0 JRNL AUTH M.A.M.JAMALI,C.C.GOPALASINGAM,R.M.JOHNSON,T.TOSHA, JRNL AUTH 2 K.MURAMOTO,S.P.MUENCH,S.V.ANTONYUK,Y.SHIRO,S.S.HASNAIN JRNL TITL THE ACTIVE FORM OF QUINOL-DEPENDENT NITRIC OXIDE REDUCTASE JRNL TITL 2 FROMNEISSERIA MENINGITIDISIS A DIMER. JRNL REF IUCRJ V. 7 404 2020 JRNL REFN ESSN 2052-2525 JRNL PMID 32431824 JRNL DOI 10.1107/S2052252520003656 REMARK 2 REMARK 2 RESOLUTION. 3.06 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : EPU, CTFFIND, UCSF CHIMERA, RELION, REMARK 3 RELION, RELION, PHENIX REMARK 3 RECONSTRUCTION SCHEMA : BACK PROJECTION REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 6L1X 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) : 3.060 REMARK 3 NUMBER OF PARTICLES : 233556 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 6L3H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-OCT-19. REMARK 100 THE DEPOSITION ID IS D_1300014099. 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 : DIMERIC QUINOL DEPENDENT NITRIC REMARK 245 OXIDE REDUCTASE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 4.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : BLOT TIME OF 6 SECONDS, WITH REMARK 245 ACCOMPANYING BLOT FORCE OF 6. REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 3182 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) : -1000.00 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) : 6944.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 130000 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 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 MET A 1 REMARK 465 TYR A 312 REMARK 465 GLY A 313 REMARK 465 ILE A 314 REMARK 465 ASP A 315 REMARK 465 PHE A 747 REMARK 465 GLY A 748 REMARK 465 ARG A 749 REMARK 465 ASP A 750 REMARK 465 LYS A 751 REMARK 465 MET B 1 REMARK 465 TYR B 312 REMARK 465 GLY B 313 REMARK 465 ILE B 314 REMARK 465 ASP B 315 REMARK 465 PHE B 747 REMARK 465 GLY B 748 REMARK 465 ARG B 749 REMARK 465 ASP B 750 REMARK 465 LYS B 751 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 OG SER A 338 OH TYR A 386 2.09 REMARK 500 OG SER B 338 OH TYR B 386 2.10 REMARK 500 OE2 GLU A 126 OG SER A 142 2.16 REMARK 500 OE2 GLU B 126 OG SER B 142 2.16 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 49.02 -90.80 REMARK 500 MET A 49 69.56 61.61 REMARK 500 LYS A 107 48.80 -95.49 REMARK 500 PHE A 108 -4.20 63.45 REMARK 500 ALA A 124 45.19 -82.16 REMARK 500 ASN A 129 50.37 -93.14 REMARK 500 GLU A 135 -5.07 70.97 REMARK 500 LEU A 166 50.30 -92.68 REMARK 500 THR A 168 -7.70 71.23 REMARK 500 ASP A 266 69.82 35.87 REMARK 500 ASN A 359 47.83 -82.16 REMARK 500 LYS A 365 -115.78 -134.59 REMARK 500 PHE A 366 64.19 -104.49 REMARK 500 TYR A 412 -9.01 73.94 REMARK 500 ASP A 448 68.89 61.13 REMARK 500 PHE A 471 57.03 38.78 REMARK 500 VAL A 493 -52.34 -126.11 REMARK 500 LEU A 569 50.03 -92.61 REMARK 500 HIS A 582 50.00 -94.21 REMARK 500 VAL A 641 -65.51 -96.67 REMARK 500 TYR A 656 -8.04 72.71 REMARK 500 PRO A 659 45.36 -77.01 REMARK 500 ASP A 664 71.53 55.48 REMARK 500 SER A 686 -54.91 -120.95 REMARK 500 GLU A 715 -5.72 69.21 REMARK 500 TYR B 4 49.02 -90.87 REMARK 500 MET B 49 69.49 61.66 REMARK 500 LYS B 107 48.77 -95.46 REMARK 500 PHE B 108 -4.19 63.50 REMARK 500 ALA B 124 45.30 -82.22 REMARK 500 ASN B 129 50.34 -93.08 REMARK 500 GLU B 135 -5.18 71.04 REMARK 500 LEU B 166 50.33 -92.66 REMARK 500 THR B 168 -7.64 71.20 REMARK 500 ASP B 266 69.80 35.84 REMARK 500 ASN B 359 47.88 -82.14 REMARK 500 LYS B 365 -140.15 -144.12 REMARK 500 TYR B 412 -9.09 73.94 REMARK 500 ASP B 448 68.89 61.11 REMARK 500 PHE B 471 57.03 38.74 REMARK 500 VAL B 493 -52.45 -126.16 REMARK 500 LEU B 569 50.01 -92.60 REMARK 500 HIS B 582 50.00 -94.19 REMARK 500 VAL B 641 -65.43 -96.73 REMARK 500 TYR B 656 -8.05 72.72 REMARK 500 PRO B 659 45.47 -77.07 REMARK 500 ASP B 664 71.40 55.57 REMARK 500 SER B 686 -54.89 -121.00 REMARK 500 GLU B 715 -5.74 69.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 PHE A 471 TYR A 472 147.86 REMARK 500 PHE B 471 TYR B 472 147.83 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 96.8 REMARK 620 3 GLU A 411 OE2 87.1 168.7 REMARK 620 4 HEM A 801 O1D 110.7 84.7 103.9 REMARK 620 5 HEM A 802 O1A 164.8 75.4 98.3 81.9 REMARK 620 N 1 2 3 4 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 335 NE2 REMARK 620 2 HEM A 801 NA 78.5 REMARK 620 3 HEM A 801 NB 94.0 88.6 REMARK 620 4 HEM A 801 NC 97.7 176.2 91.4 REMARK 620 5 HEM A 801 ND 79.0 89.9 173.0 89.7 REMARK 620 6 HIS A 635 NE2 150.5 74.3 96.5 109.5 89.7 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 490 ND1 REMARK 620 2 GLU A 494 OE1 76.9 REMARK 620 3 HIS A 541 NE2 116.3 150.0 REMARK 620 4 HIS A 542 NE2 98.1 130.1 76.9 REMARK 620 N 1 2 3 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 633 NE2 REMARK 620 2 HEM A 802 NA 93.0 REMARK 620 3 HEM A 802 NB 87.4 88.8 REMARK 620 4 HEM A 802 NC 76.1 169.1 90.2 REMARK 620 5 HEM A 802 ND 78.5 91.0 165.9 87.3 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 96.8 REMARK 620 3 GLU B 411 OE2 87.1 168.7 REMARK 620 4 HEM B 801 O1D 110.7 84.7 103.9 REMARK 620 5 HEM B 802 O1A 164.8 75.4 98.3 81.9 REMARK 620 N 1 2 3 4 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 335 NE2 REMARK 620 2 HEM B 801 NA 78.5 REMARK 620 3 HEM B 801 NB 94.0 88.6 REMARK 620 4 HEM B 801 NC 97.7 176.2 91.4 REMARK 620 5 HEM B 801 ND 79.0 89.9 173.0 89.7 REMARK 620 6 HIS B 635 NE2 150.5 74.3 96.5 109.5 89.7 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 490 ND1 REMARK 620 2 GLU B 494 OE1 76.9 REMARK 620 3 HIS B 541 NE2 116.3 150.1 REMARK 620 4 HIS B 542 NE2 98.1 130.1 76.9 REMARK 620 N 1 2 3 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 633 NE2 REMARK 620 2 HEM B 802 NA 93.0 REMARK 620 3 HEM B 802 NB 87.4 88.8 REMARK 620 4 HEM B 802 NC 76.1 169.1 90.2 REMARK 620 5 HEM B 802 ND 78.5 91.0 165.9 87.4 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-0822 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF DIMERIC QUINOL DEPENDENT NITRIC OXIDE REMARK 900 REDUCTASE (QNOR) FROM THE PATHOGEN NEISSERIA MENINIGITIDIS DBREF 6L3H A 1 751 UNP C6S880 C6S880_NEIML 1 751 DBREF 6L3H B 1 751 UNP C6S880 C6S880_NEIML 1 751 SEQRES 1 A 751 MET GLY GLN TYR LYS LYS LEU TRP TYR LEU LEU PHE ALA SEQRES 2 A 751 VAL LEU ALA VAL CYS PHE THR ILE LEU GLY TYR MET GLY SEQRES 3 A 751 SER GLU VAL TYR LYS LYS ALA PRO PRO TYR PRO GLU GLN SEQRES 4 A 751 VAL VAL SER ALA SER GLY LYS VAL LEU MET ALA LYS ASP SEQRES 5 A 751 ASP ILE LEU ALA GLY GLN SER ALA TRP GLN THR THR GLY SEQRES 6 A 751 GLY MET GLU VAL GLY SER VAL LEU GLY HIS GLY ALA TYR SEQRES 7 A 751 GLN ALA PRO ASP TRP THR ALA ASP TRP LEU HIS ARG GLU SEQRES 8 A 751 LEU SER ALA TRP LEU ASP LEU THR ALA GLN GLN THR TYR SEQRES 9 A 751 GLY LYS LYS PHE ASP GLU VAL SER PRO GLU GLU GLN ALA SEQRES 10 A 751 VAL LEU LYS THR ARG LEU ALA ASP GLU TYR ARG ASN GLN SEQRES 11 A 751 SER ARG ILE LYS GLU ASP GLY SER VAL VAL ILE SER ASP SEQRES 12 A 751 THR ARG VAL LYS ALA ILE GLU SER ILE LEU PRO TYR TYR SEQRES 13 A 751 HIS GLY VAL TYR GLY ASP ASP PRO ALA LEU GLN THR THR SEQRES 14 A 751 ARG GLU HIS PHE ALA MET LYS ASN ASN THR LEU PRO SER SEQRES 15 A 751 GLN GLU ALA ARG GLU LYS LEU PHE ASP PHE PHE PHE TRP SEQRES 16 A 751 THR SER TRP SER ALA SER THR ASN ARG PRO ASP GLU THR SEQRES 17 A 751 PHE THR TYR THR ASN ASN TRP PRO HIS GLU PRO LEU ILE SEQRES 18 A 751 ASN ASN VAL PRO THR THR GLU ASN TYR MET TRP SER PHE SEQRES 19 A 751 THR SER VAL VAL LEU LEU LEU MET GLY ILE GLY LEU LEU SEQRES 20 A 751 MET TRP GLY TYR SER PHE LEU THR LYS HIS GLU GLU VAL SEQRES 21 A 751 GLU VAL PRO THR GLU ASP PRO ILE SER LYS VAL GLN LEU SEQRES 22 A 751 THR PRO SER GLN LYS ALA LEU GLY LYS TYR VAL PHE LEU SEQRES 23 A 751 THR VAL ALA LEU PHE VAL VAL GLN VAL LEU LEU GLY GLY SEQRES 24 A 751 LEU THR ALA HIS TYR THR VAL GLU GLY GLN GLY PHE TYR SEQRES 25 A 751 GLY ILE ASP GLU ALA LEU GLY PHE GLU MET SER ASP TRP SEQRES 26 A 751 PHE PRO TYR ALA LEU THR ARG THR TRP HIS ILE GLN SER SEQRES 27 A 751 ALA ILE PHE TRP ILE ALA THR GLY PHE LEU THR ALA GLY SEQRES 28 A 751 LEU PHE LEU ALA PRO ILE VAL ASN GLY GLY LYS ASP PRO SEQRES 29 A 751 LYS PHE GLN ARG ALA GLY VAL ASN PHE LEU TYR ILE ALA SEQRES 30 A 751 LEU PHE ILE VAL VAL GLY GLY SER TYR ALA GLY ASN PHE SEQRES 31 A 751 PHE ALA LEU THR HIS ILE LEU PRO PRO GLU PHE ASN PHE SEQRES 32 A 751 TRP PHE GLY HIS GLN GLY TYR GLU TYR LEU ASP LEU GLY SEQRES 33 A 751 ARG PHE TRP GLN LEU LEU LEU MET VAL GLY LEU LEU LEU SEQRES 34 A 751 TRP LEU PHE LEU MET LEU ARG CYS THR VAL SER ALA PHE SEQRES 35 A 751 LYS GLU LYS GLY VAL ASP LYS ASN LEU LEU ALA ILE PHE SEQRES 36 A 751 VAL ALA SER MET VAL GLY VAL GLY VAL PHE TYR ALA PRO SEQRES 37 A 751 GLY LEU PHE TYR GLY GLU LYS SER PRO ILE ALA VAL MET SEQRES 38 A 751 GLU TYR TRP ARG TRP TRP VAL VAL HIS LEU TRP VAL GLU SEQRES 39 A 751 GLY PHE PHE GLU VAL PHE ALA THR ALA ALA PHE ALA PHE SEQRES 40 A 751 VAL PHE TYR ASN MET GLY PHE VAL ARG ARG SER THR ALA SEQRES 41 A 751 THR ALA SER THR LEU ALA ALA ALA ALA ILE PHE MET LEU SEQRES 42 A 751 GLY GLY VAL PRO GLY THR LEU HIS HIS LEU TYR PHE SER SEQRES 43 A 751 GLY SER THR SER ALA SER MET ALA ILE GLY ALA CYS PHE SEQRES 44 A 751 SER ALA LEU GLU VAL VAL PRO LEU VAL LEU LEU GLY ARG SEQRES 45 A 751 GLU ALA TYR GLU HIS TRP SER TYR GLN HIS LEU SER GLU SEQRES 46 A 751 TRP ALA LYS ARG LEU ARG TRP PRO LEU MET CYS PHE VAL SEQRES 47 A 751 ALA VAL ALA PHE TRP ASN MET ILE GLY ALA GLY VAL PHE SEQRES 48 A 751 GLY PHE LEU ILE ASN PRO PRO ILE SER LEU PHE TYR ILE SEQRES 49 A 751 GLN GLY LEU ASN THR SER ALA VAL HIS ALA HIS ALA ALA SEQRES 50 A 751 LEU PHE GLY VAL TYR GLY PHE LEU ALA LEU GLY PHE VAL SEQRES 51 A 751 LEU LEU VAL ALA ARG TYR LEU LYS PRO ASN VAL GLN PHE SEQRES 52 A 751 ASP ASP LYS LEU MET THR TRP GLY PHE TRP LEU LEU ASN SEQRES 53 A 751 GLY GLY LEU VAL GLY MET ILE ALA ILE SER LEU LEU PRO SEQRES 54 A 751 VAL GLY VAL ILE GLN ALA TYR ALA SER ILE THR HIS GLY SEQRES 55 A 751 LEU TRP TYR ALA ARG SER GLU GLU PHE LEU GLN MET GLU SEQRES 56 A 751 ILE LEU ASP THR LEU ARG TRP VAL ARG THR ALA ALA ASP SEQRES 57 A 751 LEU ILE PHE ILE GLY GLY ALA ILE CYS VAL ALA ILE GLN SEQRES 58 A 751 ALA THR LYS ILE VAL PHE GLY ARG ASP LYS SEQRES 1 B 751 MET GLY GLN TYR LYS LYS LEU TRP TYR LEU LEU PHE ALA SEQRES 2 B 751 VAL LEU ALA VAL CYS PHE THR ILE LEU GLY TYR MET GLY SEQRES 3 B 751 SER GLU VAL TYR LYS LYS ALA PRO PRO TYR PRO GLU GLN SEQRES 4 B 751 VAL VAL SER ALA SER GLY LYS VAL LEU MET ALA LYS ASP SEQRES 5 B 751 ASP ILE LEU ALA GLY GLN SER ALA TRP GLN THR THR GLY SEQRES 6 B 751 GLY MET GLU VAL GLY SER VAL LEU GLY HIS GLY ALA TYR SEQRES 7 B 751 GLN ALA PRO ASP TRP THR ALA ASP TRP LEU HIS ARG GLU SEQRES 8 B 751 LEU SER ALA TRP LEU ASP LEU THR ALA GLN GLN THR TYR SEQRES 9 B 751 GLY LYS LYS PHE ASP GLU VAL SER PRO GLU GLU GLN ALA SEQRES 10 B 751 VAL LEU LYS THR ARG LEU ALA ASP GLU TYR ARG ASN GLN SEQRES 11 B 751 SER ARG ILE LYS GLU ASP GLY SER VAL VAL ILE SER ASP SEQRES 12 B 751 THR ARG VAL LYS ALA ILE GLU SER ILE LEU PRO TYR TYR SEQRES 13 B 751 HIS GLY VAL TYR GLY ASP ASP PRO ALA LEU GLN THR THR SEQRES 14 B 751 ARG GLU HIS PHE ALA MET LYS ASN ASN THR LEU PRO SER SEQRES 15 B 751 GLN GLU ALA ARG GLU LYS LEU PHE ASP PHE PHE PHE TRP SEQRES 16 B 751 THR SER TRP SER ALA SER THR ASN ARG PRO ASP GLU THR SEQRES 17 B 751 PHE THR TYR THR ASN ASN TRP PRO HIS GLU PRO LEU ILE SEQRES 18 B 751 ASN ASN VAL PRO THR THR GLU ASN TYR MET TRP SER PHE SEQRES 19 B 751 THR SER VAL VAL LEU LEU LEU MET GLY ILE GLY LEU LEU SEQRES 20 B 751 MET TRP GLY TYR SER PHE LEU THR LYS HIS GLU GLU VAL SEQRES 21 B 751 GLU VAL PRO THR GLU ASP PRO ILE SER LYS VAL GLN LEU SEQRES 22 B 751 THR PRO SER GLN LYS ALA LEU GLY LYS TYR VAL PHE LEU SEQRES 23 B 751 THR VAL ALA LEU PHE VAL VAL GLN VAL LEU LEU GLY GLY SEQRES 24 B 751 LEU THR ALA HIS TYR THR VAL GLU GLY GLN GLY PHE TYR SEQRES 25 B 751 GLY ILE ASP GLU ALA LEU GLY PHE GLU MET SER ASP TRP SEQRES 26 B 751 PHE PRO TYR ALA LEU THR ARG THR TRP HIS ILE GLN SER SEQRES 27 B 751 ALA ILE PHE TRP ILE ALA THR GLY PHE LEU THR ALA GLY SEQRES 28 B 751 LEU PHE LEU ALA PRO ILE VAL ASN GLY GLY LYS ASP PRO SEQRES 29 B 751 LYS PHE GLN ARG ALA GLY VAL ASN PHE LEU TYR ILE ALA SEQRES 30 B 751 LEU PHE ILE VAL VAL GLY GLY SER TYR ALA GLY ASN PHE SEQRES 31 B 751 PHE ALA LEU THR HIS ILE LEU PRO PRO GLU PHE ASN PHE SEQRES 32 B 751 TRP PHE GLY HIS GLN GLY TYR GLU TYR LEU ASP LEU GLY SEQRES 33 B 751 ARG PHE TRP GLN LEU LEU LEU MET VAL GLY LEU LEU LEU SEQRES 34 B 751 TRP LEU PHE LEU MET LEU ARG CYS THR VAL SER ALA PHE SEQRES 35 B 751 LYS GLU LYS GLY VAL ASP LYS ASN LEU LEU ALA ILE PHE SEQRES 36 B 751 VAL ALA SER MET VAL GLY VAL GLY VAL PHE TYR ALA PRO SEQRES 37 B 751 GLY LEU PHE TYR GLY GLU LYS SER PRO ILE ALA VAL MET SEQRES 38 B 751 GLU TYR TRP ARG TRP TRP VAL VAL HIS LEU TRP VAL GLU SEQRES 39 B 751 GLY PHE PHE GLU VAL PHE ALA THR ALA ALA PHE ALA PHE SEQRES 40 B 751 VAL PHE TYR ASN MET GLY PHE VAL ARG ARG SER THR ALA SEQRES 41 B 751 THR ALA SER THR LEU ALA ALA ALA ALA ILE PHE MET LEU SEQRES 42 B 751 GLY GLY VAL PRO GLY THR LEU HIS HIS LEU TYR PHE SER SEQRES 43 B 751 GLY SER THR SER ALA SER MET ALA ILE GLY ALA CYS PHE SEQRES 44 B 751 SER ALA LEU GLU VAL VAL PRO LEU VAL LEU LEU GLY ARG SEQRES 45 B 751 GLU ALA TYR GLU HIS TRP SER TYR GLN HIS LEU SER GLU SEQRES 46 B 751 TRP ALA LYS ARG LEU ARG TRP PRO LEU MET CYS PHE VAL SEQRES 47 B 751 ALA VAL ALA PHE TRP ASN MET ILE GLY ALA GLY VAL PHE SEQRES 48 B 751 GLY PHE LEU ILE ASN PRO PRO ILE SER LEU PHE TYR ILE SEQRES 49 B 751 GLN GLY LEU ASN THR SER ALA VAL HIS ALA HIS ALA ALA SEQRES 50 B 751 LEU PHE GLY VAL TYR GLY PHE LEU ALA LEU GLY PHE VAL SEQRES 51 B 751 LEU LEU VAL ALA ARG TYR LEU LYS PRO ASN VAL GLN PHE SEQRES 52 B 751 ASP ASP LYS LEU MET THR TRP GLY PHE TRP LEU LEU ASN SEQRES 53 B 751 GLY GLY LEU VAL GLY MET ILE ALA ILE SER LEU LEU PRO SEQRES 54 B 751 VAL GLY VAL ILE GLN ALA TYR ALA SER ILE THR HIS GLY SEQRES 55 B 751 LEU TRP TYR ALA ARG SER GLU GLU PHE LEU GLN MET GLU SEQRES 56 B 751 ILE LEU ASP THR LEU ARG TRP VAL ARG THR ALA ALA ASP SEQRES 57 B 751 LEU ILE PHE ILE GLY GLY ALA ILE CYS VAL ALA ILE GLN SEQRES 58 B 751 ALA THR LYS ILE VAL PHE GLY ARG ASP 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 TYR A 4 MET A 25 1 22 HELIX 2 AA2 GLU A 28 ALA A 33 1 6 HELIX 3 AA3 ALA A 50 THR A 63 1 14 HELIX 4 AA4 THR A 64 VAL A 69 5 6 HELIX 5 AA5 ASP A 82 ALA A 100 1 19 HELIX 6 AA6 SER A 112 TYR A 127 1 16 HELIX 7 AA7 SER A 142 GLY A 161 1 20 HELIX 8 AA8 SER A 182 GLU A 187 1 6 HELIX 9 AA9 LYS A 188 ALA A 200 1 13 HELIX 10 AB1 GLU A 218 ASN A 222 5 5 HELIX 11 AB2 THR A 226 LEU A 254 1 29 HELIX 12 AB3 SER A 276 ALA A 279 5 4 HELIX 13 AB4 LEU A 280 VAL A 288 1 9 HELIX 14 AB5 VAL A 288 ALA A 302 1 15 HELIX 15 AB6 GLU A 321 PHE A 326 1 6 HELIX 16 AB7 PRO A 327 ASN A 359 1 33 HELIX 17 AB8 PHE A 366 THR A 394 1 29 HELIX 18 AB9 PRO A 398 GLU A 400 5 3 HELIX 19 AC1 PHE A 401 GLY A 406 1 6 HELIX 20 AC2 GLY A 416 CYS A 437 1 22 HELIX 21 AC3 THR A 438 LYS A 443 1 6 HELIX 22 AC4 LYS A 449 PHE A 465 1 17 HELIX 23 AC5 TYR A 466 LEU A 470 5 5 HELIX 24 AC6 PRO A 477 ARG A 485 1 9 HELIX 25 AC7 TRP A 486 VAL A 488 5 3 HELIX 26 AC8 PHE A 496 MET A 512 1 17 HELIX 27 AC9 ARG A 516 GLY A 534 1 19 HELIX 28 AD1 VAL A 536 LEU A 543 5 8 HELIX 29 AD2 ALA A 551 SER A 560 1 10 HELIX 30 AD3 VAL A 564 LEU A 569 1 6 HELIX 31 AD4 LEU A 570 TYR A 580 1 11 HELIX 32 AD5 GLN A 581 SER A 584 5 4 HELIX 33 AD6 ARG A 591 GLY A 607 1 17 HELIX 34 AD7 PRO A 617 GLN A 625 1 9 HELIX 35 AD8 ASN A 628 ARG A 655 1 28 HELIX 36 AD9 ASP A 664 ILE A 685 1 22 HELIX 37 AE1 SER A 686 HIS A 701 1 16 HELIX 38 AE2 GLY A 702 ARG A 707 1 6 HELIX 39 AE3 SER A 708 GLN A 713 1 6 HELIX 40 AE4 VAL A 723 VAL A 746 1 24 HELIX 41 AE5 TYR B 4 MET B 25 1 22 HELIX 42 AE6 GLU B 28 ALA B 33 1 6 HELIX 43 AE7 ALA B 50 THR B 63 1 14 HELIX 44 AE8 THR B 64 VAL B 69 5 6 HELIX 45 AE9 ASP B 82 ALA B 100 1 19 HELIX 46 AF1 SER B 112 TYR B 127 1 16 HELIX 47 AF2 SER B 142 GLY B 161 1 20 HELIX 48 AF3 SER B 182 GLU B 187 1 6 HELIX 49 AF4 LYS B 188 ALA B 200 1 13 HELIX 50 AF5 GLU B 218 ASN B 222 5 5 HELIX 51 AF6 THR B 226 LEU B 254 1 29 HELIX 52 AF7 SER B 276 ALA B 279 5 4 HELIX 53 AF8 LEU B 280 VAL B 288 1 9 HELIX 54 AF9 VAL B 288 ALA B 302 1 15 HELIX 55 AG1 GLU B 321 PHE B 326 1 6 HELIX 56 AG2 PRO B 327 ASN B 359 1 33 HELIX 57 AG3 PHE B 366 THR B 394 1 29 HELIX 58 AG4 PRO B 398 GLU B 400 5 3 HELIX 59 AG5 PHE B 401 GLY B 406 1 6 HELIX 60 AG6 GLY B 416 CYS B 437 1 22 HELIX 61 AG7 THR B 438 LYS B 443 1 6 HELIX 62 AG8 LYS B 449 PHE B 465 1 17 HELIX 63 AG9 TYR B 466 LEU B 470 5 5 HELIX 64 AH1 PRO B 477 ARG B 485 1 9 HELIX 65 AH2 TRP B 486 VAL B 488 5 3 HELIX 66 AH3 PHE B 496 MET B 512 1 17 HELIX 67 AH4 ARG B 516 GLY B 534 1 19 HELIX 68 AH5 VAL B 536 LEU B 543 5 8 HELIX 69 AH6 ALA B 551 SER B 560 1 10 HELIX 70 AH7 VAL B 564 LEU B 569 1 6 HELIX 71 AH8 LEU B 570 TYR B 580 1 11 HELIX 72 AH9 GLN B 581 SER B 584 5 4 HELIX 73 AI1 ARG B 591 GLY B 607 1 17 HELIX 74 AI2 PRO B 617 GLN B 625 1 9 HELIX 75 AI3 ASN B 628 ARG B 655 1 28 HELIX 76 AI4 ASP B 664 ILE B 685 1 22 HELIX 77 AI5 SER B 686 HIS B 701 1 16 HELIX 78 AI6 GLY B 702 ARG B 707 1 6 HELIX 79 AI7 SER B 708 GLN B 713 1 6 HELIX 80 AI8 VAL B 723 VAL B 746 1 24 SHEET 1 AA1 3 VAL A 47 LEU A 48 0 SHEET 2 AA1 3 GLN A 39 SER A 42 -1 N VAL A 40 O LEU A 48 SHEET 3 AA1 3 SER A 138 ILE A 141 1 O ILE A 141 N VAL A 41 SHEET 1 AA2 2 SER A 71 VAL A 72 0 SHEET 2 AA2 2 HIS A 75 GLY A 76 -1 O HIS A 75 N VAL A 72 SHEET 1 AA3 3 VAL B 47 LEU B 48 0 SHEET 2 AA3 3 GLN B 39 SER B 42 -1 N VAL B 40 O LEU B 48 SHEET 3 AA3 3 SER B 138 ILE B 141 1 O ILE B 141 N VAL B 41 SHEET 1 AA4 2 SER B 71 VAL B 72 0 SHEET 2 AA4 2 HIS B 75 GLY B 76 -1 O HIS B 75 N VAL B 72 LINK O GLY A 76 CA CA A 804 1555 1555 2.57 LINK OH TYR A 78 CA CA A 804 1555 1555 2.98 LINK NE2 HIS A 335 FE HEM A 801 1555 1555 2.48 LINK OE2 GLU A 411 CA CA A 804 1555 1555 2.40 LINK ND1 HIS A 490 FE FE A 803 1555 1555 2.04 LINK OE1 GLU A 494 FE FE A 803 1555 1555 2.16 LINK NE2 HIS A 541 FE FE A 803 1555 1555 2.55 LINK NE2 HIS A 542 FE FE A 803 1555 1555 2.39 LINK NE2 HIS A 633 FE HEM A 802 1555 1555 2.51 LINK NE2 HIS A 635 FE HEM A 801 1555 1555 2.52 LINK O1D HEM A 801 CA CA A 804 1555 1555 2.75 LINK O1A HEM A 802 CA CA A 804 1555 1555 2.48 LINK O GLY B 76 CA CA B 804 1555 1555 2.57 LINK OH TYR B 78 CA CA B 804 1555 1555 2.98 LINK NE2 HIS B 335 FE HEM B 801 1555 1555 2.48 LINK OE2 GLU B 411 CA CA B 804 1555 1555 2.40 LINK ND1 HIS B 490 FE FE B 803 1555 1555 2.04 LINK OE1 GLU B 494 FE FE B 803 1555 1555 2.16 LINK NE2 HIS B 541 FE FE B 803 1555 1555 2.55 LINK NE2 HIS B 542 FE FE B 803 1555 1555 2.39 LINK NE2 HIS B 633 FE HEM B 802 1555 1555 2.51 LINK NE2 HIS B 635 FE HEM B 801 1555 1555 2.52 LINK O1D HEM B 801 CA CA B 804 1555 1555 2.75 LINK O1A HEM B 802 CA CA B 804 1555 1555 2.48 CISPEP 1 TRP A 215 PRO A 216 0 0.04 CISPEP 2 TRP B 215 PRO B 216 0 2.01 SITE 1 AC1 17 TYR A 78 GLN A 294 GLY A 298 TYR A 328 SITE 2 AC1 17 ARG A 332 HIS A 335 ILE A 336 ALA A 339 SITE 3 AC1 17 GLU A 411 TYR A 412 ALA A 634 HIS A 635 SITE 4 AC1 17 LEU A 638 ARG A 724 ASP A 728 HEM A 802 SITE 5 AC1 17 CA A 804 SITE 1 AC2 19 TYR A 78 GLU A 411 TYR A 412 TRP A 486 SITE 2 AC2 19 GLU A 494 HIS A 541 HIS A 542 ALA A 608 SITE 3 AC2 19 GLY A 612 ILE A 615 ASN A 616 SER A 630 SITE 4 AC2 19 HIS A 633 ALA A 634 ALA A 637 LEU A 638 SITE 5 AC2 19 TYR A 642 HEM A 801 CA A 804 SITE 1 AC3 4 HIS A 490 GLU A 494 HIS A 541 HIS A 542 SITE 1 AC4 5 GLY A 76 TYR A 78 GLU A 411 HEM A 801 SITE 2 AC4 5 HEM A 802 SITE 1 AC5 17 TYR B 78 GLN B 294 GLY B 298 TYR B 328 SITE 2 AC5 17 ARG B 332 HIS B 335 ILE B 336 ALA B 339 SITE 3 AC5 17 GLU B 411 TYR B 412 ALA B 634 HIS B 635 SITE 4 AC5 17 LEU B 638 ARG B 724 ASP B 728 HEM B 802 SITE 5 AC5 17 CA B 804 SITE 1 AC6 19 TYR B 78 GLU B 411 TYR B 412 TRP B 486 SITE 2 AC6 19 GLU B 494 HIS B 541 HIS B 542 ALA B 608 SITE 3 AC6 19 GLY B 612 ILE B 615 ASN B 616 SER B 630 SITE 4 AC6 19 HIS B 633 ALA B 634 ALA B 637 LEU B 638 SITE 5 AC6 19 TYR B 642 HEM B 801 CA B 804 SITE 1 AC7 4 HIS B 490 GLU B 494 HIS B 541 HIS B 542 SITE 1 AC8 5 GLY B 76 TYR B 78 GLU B 411 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 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