HEADER SIGNALING PROTEIN 08-JUL-10 3NVU TITLE MODULATING HEME REDOX POTENTIAL THROUGH PROTEIN-INDUCED PORPHYRIN TITLE 2 DISTORTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYL-ACCEPTING CHEMOTAXIS PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: N-TERMINAL DONAIM; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOANAEROBACTER TENGCONGENSIS; SOURCE 3 ORGANISM_TAXID: 119072; SOURCE 4 GENE: TAR4, TTE0680; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS H-NOX, HEMOPROTEIN, HEME, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR C.OLEA JR.,J.KURIYAN,M.A.MARLETTA REVDAT 3 21-FEB-24 3NVU 1 REMARK SEQADV LINK REVDAT 2 06-OCT-10 3NVU 1 JRNL REVDAT 1 08-SEP-10 3NVU 0 JRNL AUTH C.OLEA,J.KURIYAN,M.A.MARLETTA JRNL TITL MODULATING HEME REDOX POTENTIAL THROUGH PROTEIN-INDUCED JRNL TITL 2 PORPHYRIN DISTORTION. JRNL REF J.AM.CHEM.SOC. V. 132 12794 2010 JRNL REFN ISSN 0002-7863 JRNL PMID 20735135 JRNL DOI 10.1021/JA106252B REMARK 2 REMARK 2 RESOLUTION. 2.04 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.04 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.05 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.920 REMARK 3 COMPLETENESS FOR RANGE (%) : 50.7 REMARK 3 NUMBER OF REFLECTIONS : 25754 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.192 REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.020 REMARK 3 FREE R VALUE TEST SET COUNT : 1352 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 39.0608 - 4.3894 0.52 2620 139 0.1663 0.1953 REMARK 3 2 4.3894 - 3.4847 0.51 2586 138 0.1707 0.2011 REMARK 3 3 3.4847 - 3.0444 0.51 2577 129 0.2000 0.2357 REMARK 3 4 3.0444 - 2.7661 0.51 2563 145 0.2086 0.2451 REMARK 3 5 2.7661 - 2.5679 0.51 2556 135 0.1942 0.2686 REMARK 3 6 2.5679 - 2.4165 0.51 2546 135 0.1916 0.2359 REMARK 3 7 2.4165 - 2.2955 0.51 2611 112 0.1831 0.2371 REMARK 3 8 2.2955 - 2.1956 0.51 2566 133 0.1859 0.2523 REMARK 3 9 2.1956 - 2.1111 0.51 2554 144 0.1845 0.2547 REMARK 3 10 2.1111 - 2.0383 0.48 2397 142 0.1961 0.2656 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.33 REMARK 3 B_SOL : 45.94 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.78310 REMARK 3 B22 (A**2) : -3.66690 REMARK 3 B33 (A**2) : -1.11620 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.65830 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.009 3262 REMARK 3 ANGLE : 1.060 4404 REMARK 3 CHIRALITY : 0.069 452 REMARK 3 PLANARITY : 0.005 550 REMARK 3 DIHEDRAL : 18.451 1228 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 5 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN A AND RESID 1:88) REMARK 3 ORIGIN FOR THE GROUP (A): 49.6641 -17.4644 -19.3769 REMARK 3 T TENSOR REMARK 3 T11: 0.1215 T22: 0.1103 REMARK 3 T33: 0.1037 T12: -0.0221 REMARK 3 T13: 0.0010 T23: 0.0201 REMARK 3 L TENSOR REMARK 3 L11: 1.8655 L22: 1.6628 REMARK 3 L33: 1.3678 L12: -0.1739 REMARK 3 L13: -0.1244 L23: -0.4532 REMARK 3 S TENSOR REMARK 3 S11: -0.0878 S12: -0.1083 S13: -0.1070 REMARK 3 S21: 0.0897 S22: 0.0173 S23: -0.0060 REMARK 3 S31: 0.2486 S32: -0.1653 S33: 0.0884 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN A AND RESID 89:188) REMARK 3 ORIGIN FOR THE GROUP (A): 55.9796 -0.7059 -31.2230 REMARK 3 T TENSOR REMARK 3 T11: 0.1942 T22: 0.1471 REMARK 3 T33: 0.2233 T12: -0.0021 REMARK 3 T13: -0.0131 T23: 0.0602 REMARK 3 L TENSOR REMARK 3 L11: 2.5604 L22: 0.4020 REMARK 3 L33: 1.1401 L12: 1.3724 REMARK 3 L13: 0.5923 L23: -0.0794 REMARK 3 S TENSOR REMARK 3 S11: -0.1324 S12: 0.2030 S13: 0.5184 REMARK 3 S21: 0.0247 S22: -0.0234 S23: 0.1260 REMARK 3 S31: -0.2702 S32: 0.0316 S33: 0.1558 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: (CHAIN B AND RESID 1:105) REMARK 3 ORIGIN FOR THE GROUP (A): 23.1173 -2.5004 -16.0541 REMARK 3 T TENSOR REMARK 3 T11: 0.1821 T22: 0.1140 REMARK 3 T33: 0.0969 T12: 0.0031 REMARK 3 T13: 0.0211 T23: -0.0007 REMARK 3 L TENSOR REMARK 3 L11: 1.9239 L22: 2.1456 REMARK 3 L33: 0.9671 L12: -0.0464 REMARK 3 L13: 0.2339 L23: -0.2635 REMARK 3 S TENSOR REMARK 3 S11: -0.0721 S12: -0.1253 S13: 0.0338 REMARK 3 S21: 0.2894 S22: -0.0356 S23: 0.0251 REMARK 3 S31: -0.1913 S32: 0.0460 S33: 0.0912 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: (CHAIN B AND RESID 106:178) REMARK 3 ORIGIN FOR THE GROUP (A): 17.0191 -16.1660 -23.9645 REMARK 3 T TENSOR REMARK 3 T11: 0.1190 T22: 0.1245 REMARK 3 T33: 0.1269 T12: -0.0104 REMARK 3 T13: 0.0315 T23: -0.0532 REMARK 3 L TENSOR REMARK 3 L11: 1.6342 L22: 1.2058 REMARK 3 L33: 1.2047 L12: 0.0226 REMARK 3 L13: 0.8609 L23: 0.2805 REMARK 3 S TENSOR REMARK 3 S11: 0.0283 S12: 0.0754 S13: -0.1699 REMARK 3 S21: -0.0235 S22: -0.1204 S23: 0.1683 REMARK 3 S31: 0.0357 S32: -0.1526 S33: 0.1381 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: (CHAIN B AND RESID 179:188) REMARK 3 ORIGIN FOR THE GROUP (A): 24.0349 -25.2418 -41.0969 REMARK 3 T TENSOR REMARK 3 T11: 0.5181 T22: 0.5463 REMARK 3 T33: 0.2957 T12: 0.2147 REMARK 3 T13: 0.0812 T23: -0.2566 REMARK 3 L TENSOR REMARK 3 L11: 1.2114 L22: 1.2565 REMARK 3 L33: -1.7492 L12: -0.5593 REMARK 3 L13: 1.0036 L23: -0.4258 REMARK 3 S TENSOR REMARK 3 S11: 0.3914 S12: 0.6940 S13: -0.1988 REMARK 3 S21: -0.3943 S22: 0.0435 S23: -0.1845 REMARK 3 S31: -0.2498 S32: 0.7938 S33: -0.4791 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3NVU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUL-10. REMARK 100 THE DEPOSITION ID IS D_1000060342. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-OCT-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : KOHZU REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26928 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.040 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05200 REMARK 200 FOR THE DATA SET : 22.7200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.04 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.250 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG 4000, 0.05 M MES PH 6, 0.01 M REMARK 280 LICL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 63.57900 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.91400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 63.57900 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 39.91400 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -59.0 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 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 LYS A 187 OXT ASN A 188 1.67 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 HEM A 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 102 NE2 REMARK 620 2 HEM A 200 NA 90.0 REMARK 620 3 HEM A 200 NB 85.1 92.1 REMARK 620 4 HEM A 200 NC 87.8 176.5 85.0 REMARK 620 5 HEM A 200 ND 89.8 88.6 174.9 94.1 REMARK 620 6 OXY A 493 O1 175.8 93.0 91.8 89.1 93.3 REMARK 620 7 OXY A 493 O2 154.4 68.7 108.8 114.1 76.2 29.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 102 NE2 REMARK 620 2 HEM B 200 NA 87.3 REMARK 620 3 HEM B 200 NB 89.6 90.0 REMARK 620 4 HEM B 200 NC 88.9 176.2 89.5 REMARK 620 5 HEM B 200 ND 85.9 90.8 175.5 89.4 REMARK 620 6 OXY B 494 O1 178.2 91.3 91.5 92.5 93.0 REMARK 620 N 1 2 3 4 5 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 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 493 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 189 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY B 494 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1U55 RELATED DB: PDB REMARK 900 RELATED ID: 3NVR RELATED DB: PDB DBREF 3NVU A 1 188 UNP Q8RBX6 Q8RBX6_THETN 1 188 DBREF 3NVU B 1 188 UNP Q8RBX6 Q8RBX6_THETN 1 188 SEQADV 3NVU LEU A 5 UNP Q8RBX6 ILE 5 ENGINEERED MUTATION SEQADV 3NVU ALA A 115 UNP Q8RBX6 PRO 115 ENGINEERED MUTATION SEQADV 3NVU LEU B 5 UNP Q8RBX6 ILE 5 ENGINEERED MUTATION SEQADV 3NVU ALA B 115 UNP Q8RBX6 PRO 115 ENGINEERED MUTATION SEQRES 1 A 188 MET LYS GLY THR LEU VAL GLY THR TRP ILE LYS THR LEU SEQRES 2 A 188 ARG ASP LEU TYR GLY ASN ASP VAL VAL ASP GLU SER LEU SEQRES 3 A 188 LYS SER VAL GLY TRP GLU PRO ASP ARG VAL ILE THR PRO SEQRES 4 A 188 LEU GLU ASP ILE ASP ASP ASP GLU VAL ARG ARG ILE PHE SEQRES 5 A 188 ALA LYS VAL SER GLU LYS THR GLY LYS ASN VAL ASN GLU SEQRES 6 A 188 ILE TRP ARG GLU VAL GLY ARG GLN ASN ILE LYS THR PHE SEQRES 7 A 188 SER GLU TRP PHE PRO SER TYR PHE ALA GLY ARG ARG LEU SEQRES 8 A 188 VAL ASN PHE LEU MET MET MET ASP GLU VAL HIS LEU GLN SEQRES 9 A 188 LEU THR LYS MET ILE LYS GLY ALA THR PRO ALA ARG LEU SEQRES 10 A 188 ILE ALA LYS PRO VAL ALA LYS ASP ALA ILE GLU MET GLU SEQRES 11 A 188 TYR VAL SER LYS ARG LYS MET TYR ASP TYR PHE LEU GLY SEQRES 12 A 188 LEU ILE GLU GLY SER SER LYS PHE PHE LYS GLU GLU ILE SEQRES 13 A 188 SER VAL GLU GLU VAL GLU ARG GLY GLU LYS ASP GLY PHE SEQRES 14 A 188 SER ARG LEU LYS VAL ARG ILE LYS PHE LYS ASN PRO VAL SEQRES 15 A 188 PHE GLU TYR LYS LYS ASN SEQRES 1 B 188 MET LYS GLY THR LEU VAL GLY THR TRP ILE LYS THR LEU SEQRES 2 B 188 ARG ASP LEU TYR GLY ASN ASP VAL VAL ASP GLU SER LEU SEQRES 3 B 188 LYS SER VAL GLY TRP GLU PRO ASP ARG VAL ILE THR PRO SEQRES 4 B 188 LEU GLU ASP ILE ASP ASP ASP GLU VAL ARG ARG ILE PHE SEQRES 5 B 188 ALA LYS VAL SER GLU LYS THR GLY LYS ASN VAL ASN GLU SEQRES 6 B 188 ILE TRP ARG GLU VAL GLY ARG GLN ASN ILE LYS THR PHE SEQRES 7 B 188 SER GLU TRP PHE PRO SER TYR PHE ALA GLY ARG ARG LEU SEQRES 8 B 188 VAL ASN PHE LEU MET MET MET ASP GLU VAL HIS LEU GLN SEQRES 9 B 188 LEU THR LYS MET ILE LYS GLY ALA THR PRO ALA ARG LEU SEQRES 10 B 188 ILE ALA LYS PRO VAL ALA LYS ASP ALA ILE GLU MET GLU SEQRES 11 B 188 TYR VAL SER LYS ARG LYS MET TYR ASP TYR PHE LEU GLY SEQRES 12 B 188 LEU ILE GLU GLY SER SER LYS PHE PHE LYS GLU GLU ILE SEQRES 13 B 188 SER VAL GLU GLU VAL GLU ARG GLY GLU LYS ASP GLY PHE SEQRES 14 B 188 SER ARG LEU LYS VAL ARG ILE LYS PHE LYS ASN PRO VAL SEQRES 15 B 188 PHE GLU TYR LYS LYS ASN HET HEM A 200 43 HET OXY A 493 2 HET CL A 189 1 HET HEM B 200 43 HET OXY B 494 2 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM OXY OXYGEN MOLECULE HETNAM CL CHLORIDE ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 OXY 2(O2) FORMUL 5 CL CL 1- FORMUL 8 HOH *145(H2 O) HELIX 1 1 LYS A 2 GLY A 18 1 17 HELIX 2 2 GLY A 18 SER A 28 1 11 HELIX 3 3 ASP A 44 GLY A 60 1 17 HELIX 4 4 ASN A 62 PHE A 82 1 21 HELIX 5 5 PRO A 83 PHE A 86 5 4 HELIX 6 6 ARG A 90 LYS A 107 1 18 HELIX 7 7 MET A 137 LYS A 153 1 17 HELIX 8 8 LYS B 2 GLY B 18 1 17 HELIX 9 9 GLY B 18 VAL B 29 1 12 HELIX 10 10 ASP B 44 GLY B 60 1 17 HELIX 11 11 ASN B 62 PHE B 82 1 21 HELIX 12 12 PRO B 83 PHE B 86 5 4 HELIX 13 13 ARG B 90 THR B 106 1 17 HELIX 14 14 MET B 137 LYS B 153 1 17 SHEET 1 A 4 ARG A 116 ALA A 123 0 SHEET 2 A 4 ALA A 126 SER A 133 -1 O GLU A 130 N ILE A 118 SHEET 3 A 4 PHE A 169 PHE A 178 -1 O LEU A 172 N TYR A 131 SHEET 4 A 4 ILE A 156 LYS A 166 -1 N GLU A 159 O ARG A 175 SHEET 1 B 4 ALA B 119 ALA B 123 0 SHEET 2 B 4 ALA B 126 SER B 133 -1 O GLU B 128 N LYS B 120 SHEET 3 B 4 PHE B 169 PHE B 178 -1 O ILE B 176 N ILE B 127 SHEET 4 B 4 ILE B 156 LYS B 166 -1 N VAL B 161 O LYS B 173 LINK NE2 HIS A 102 FE HEM A 200 1555 1555 2.10 LINK FE HEM A 200 O1 OXY A 493 1555 1555 2.14 LINK FE HEM A 200 O2 OXY A 493 1555 1555 2.76 LINK NE2 HIS B 102 FE HEM B 200 1555 1555 2.12 LINK FE HEM B 200 O1 OXY B 494 1555 1555 2.12 SITE 1 AC1 21 LYS A 2 LEU A 5 PHE A 78 TYR A 85 SITE 2 AC1 21 PHE A 86 PHE A 94 MET A 98 HIS A 102 SITE 3 AC1 21 LEU A 105 LEU A 117 TYR A 131 SER A 133 SITE 4 AC1 21 ARG A 135 LEU A 144 ILE A 145 SER A 148 SITE 5 AC1 21 HOH A 213 HOH A 221 HOH A 246 HOH A 248 SITE 6 AC1 21 OXY A 493 SITE 1 AC2 5 LEU A 5 PHE A 78 TYR A 140 LEU A 144 SITE 2 AC2 5 HEM A 200 SITE 1 AC3 3 ASN A 62 GLU A 65 HOH A 250 SITE 1 AC4 20 LYS B 2 LEU B 5 PHE B 78 TYR B 85 SITE 2 AC4 20 PHE B 94 MET B 98 HIS B 102 LEU B 105 SITE 3 AC4 20 THR B 106 ALA B 115 LEU B 117 MET B 129 SITE 4 AC4 20 TYR B 131 SER B 133 ARG B 135 LEU B 144 SITE 5 AC4 20 HOH B 193 HOH B 205 HOH B 224 OXY B 494 SITE 1 AC5 4 LEU B 5 PHE B 78 TYR B 140 HEM B 200 CRYST1 127.158 79.828 43.322 90.00 102.25 90.00 C 1 2 1 8 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 0.007864 0.000000 0.001707 0.00000 SCALE2 0.000000 0.012527 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023621 0.00000