HEADER TRANSPORT PROTEIN 18-OCT-07 2VEB TITLE HIGH RESOLUTION STRUCTURE OF PROTOGLOBIN FROM TITLE 2 METHANOSARCINA ACETIVORANS C2A CAVEAT 2VEB THE DATA IS MUCH LESS COMPLETE THAN REPORTED IN CAVEAT 2 2VEB THE HEADER. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTOGLOBIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOSARCINA ACETIVORANS; SOURCE 3 ORGANISM_TAXID: 2214; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HEMOPROTEIN STRUCTURE, PROTEIN MATRIX TUNNELS, PROTOGLOBIN, KEYWDS 2 METHANOGENESIS, ARCHAEA PROTEIN, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.NARDINI,A.PESCE,L.THIJS,J.A.SAITO,S.DEWILDE,M.ALAM, AUTHOR 2 P.ASCENZI,M.COLETTA,C.CIACCIO,L.MOENS,M.BOLOGNESI REVDAT 3 22-AUG-12 2VEB 1 CAVEAT REMARK VERSN HETSYN REVDAT 3 2 MASTER REVDAT 2 24-FEB-09 2VEB 1 VERSN REVDAT 1 22-JAN-08 2VEB 0 JRNL AUTH M.NARDINI,A.PESCE,L.THIJS,J.A.SAITO,S.DEWILDE, JRNL AUTH 2 M.ALAM,P.ASCENZI,M.COLETTA,C.CIACCIO,L.MOENS, JRNL AUTH 3 M.BOLOGNESI JRNL TITL ARCHAEAL PROTOGLOBIN STRUCTURE INDICATES NEW JRNL TITL 2 LIGAND DIFFUSION PATHS AND MODULATION OF HAEM- JRNL TITL 3 REACTIVITY. JRNL REF EMBO REP. V. 9 157 2008 JRNL REFN ISSN 1469-221X JRNL PMID 18188182 JRNL DOI 10.1038/SJ.EMBOR.7401153 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 51.43 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 45754 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.161 REMARK 3 R VALUE (WORKING SET) : 0.160 REMARK 3 FREE R VALUE : 0.190 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2432 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.33 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3443 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1540 REMARK 3 BIN FREE R VALUE SET COUNT : 187 REMARK 3 BIN FREE R VALUE : 0.1720 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1603 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 62 REMARK 3 SOLVENT ATOMS : 265 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.62 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.04000 REMARK 3 B22 (A**2) : -0.12000 REMARK 3 B33 (A**2) : 0.18000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.11000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.056 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.052 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.025 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.246 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1725 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2364 ; 1.330 ; 2.031 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 195 ; 4.925 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 87 ;40.970 ;23.793 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 271 ;11.647 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;18.232 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 234 ; 0.091 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1348 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 845 ; 0.231 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1168 ; 0.317 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 180 ; 0.237 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 72 ; 0.209 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 36 ; 0.214 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 982 ; 1.270 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1560 ; 1.801 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 875 ; 2.563 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 799 ; 3.308 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS. REMARK 4 REMARK 4 2VEB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-OCT-07. REMARK 100 THE PDBE ID CODE IS EBI-34179. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAR-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.954 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48188 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.30 REMARK 200 RESOLUTION RANGE LOW (A) : 51.40 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.0 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 7.0 REMARK 200 R MERGE (I) : 0.05 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.70 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 7.1 REMARK 200 R MERGE FOR SHELL (I) : 0.22 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 7.50 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.9 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.4 M MONOBASIC AMMONIUM REMARK 280 PHOSPHATE 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 40.02950 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.63550 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 40.02950 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.63550 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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16000 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -93.1 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED RESIDUE IN CHAIN A, CYS 101 TO SER 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 SER A 2 REMARK 465 VAL A 3 REMARK 465 GLU A 4 REMARK 465 LYS A 5 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 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 GLU A 13 25.72 -145.29 REMARK 500 ASP A 106 -165.95 -115.92 REMARK 500 ASN A 126 -2.73 75.29 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 HEM A 200 NA REMARK 620 2 HEM A 200 NB 90.8 REMARK 620 3 OXY A 350 O1 90.9 86.3 REMARK 620 4 HEM A 200 NC 172.3 89.8 81.5 REMARK 620 5 HIS A 120 NE2 89.9 95.4 178.1 97.6 REMARK 620 6 HEM A 200 ND 88.6 171.6 85.4 89.7 92.9 REMARK 620 N 1 2 3 4 5 REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR PROVIDED. 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 PO4 A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 350 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2VEE RELATED DB: PDB REMARK 900 STRUCTURE OF PROTOGLOBIN FROM METHANOSARCINA REMARK 900 ACETIVORANS C2A DBREF 2VEB A 1 195 UNP Q8TLY9 Q8TLY9_METAC 1 195 SEQADV 2VEB SER A 101 UNP Q8TLY9 CYS 101 ENGINEERED MUTATION SEQRES 1 A 195 MET SER VAL GLU LYS ILE PRO GLY TYR THR TYR GLY GLU SEQRES 2 A 195 THR GLU ASN ARG ALA PRO PHE ASN LEU GLU ASP LEU LYS SEQRES 3 A 195 LEU LEU LYS GLU ALA VAL MET PHE THR ALA GLU ASP GLU SEQRES 4 A 195 GLU TYR ILE GLN LYS ALA GLY GLU VAL LEU GLU ASP GLN SEQRES 5 A 195 VAL GLU GLU ILE LEU ASP THR TRP TYR GLY PHE VAL GLY SEQRES 6 A 195 SER HIS PRO HIS LEU LEU TYR TYR PHE THR SER PRO ASP SEQRES 7 A 195 GLY THR PRO ASN GLU LYS TYR LEU ALA ALA VAL ARG LYS SEQRES 8 A 195 ARG PHE SER ARG TRP ILE LEU ASP THR SER ASN ARG SER SEQRES 9 A 195 TYR ASP GLN ALA TRP LEU ASP TYR GLN TYR GLU ILE GLY SEQRES 10 A 195 LEU ARG HIS HIS ARG THR LYS LYS ASN GLN THR ASP ASN SEQRES 11 A 195 VAL GLU SER VAL PRO ASN ILE GLY TYR ARG TYR LEU VAL SEQRES 12 A 195 ALA PHE ILE TYR PRO ILE THR ALA THR MET LYS PRO PHE SEQRES 13 A 195 LEU ALA ARG LYS GLY HIS THR PRO GLU GLU VAL GLU LYS SEQRES 14 A 195 MET TYR GLN ALA TRP PHE LYS ALA THR THR LEU GLN VAL SEQRES 15 A 195 ALA LEU TRP SER TYR PRO TYR VAL LYS TYR GLY ASP PHE HET HEM A 200 44 HET PO4 A 202 5 HET PO4 A 203 5 HET GOL A 204 6 HET OXY A 350 2 HETNAM OXY OXYGEN MOLECULE HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM PO4 PHOSPHATE ION HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 OXY O2 FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 PO4 2(O4 P 3-) FORMUL 5 GOL C3 H8 O3 FORMUL 6 HOH *265(H2 O1) HELIX 1 1 ASN A 21 MET A 33 1 13 HELIX 2 2 THR A 35 GLU A 50 1 16 HELIX 3 3 GLN A 52 SER A 66 1 15 HELIX 4 4 HIS A 67 TYR A 72 1 6 HELIX 5 5 ASN A 82 ARG A 103 1 22 HELIX 6 6 ASP A 106 HIS A 121 1 16 HELIX 7 7 GLY A 138 ALA A 158 1 21 HELIX 8 10 THR A 163 SER A 186 1 24 HELIX 9 11 TYR A 187 VAL A 190 5 4 LINK FE HEM A 200 O1 OXY A 350 1555 1555 2.23 LINK FE HEM A 200 NE2 HIS A 120 1555 1555 2.13 SITE 1 AC1 23 LEU A 70 TYR A 73 PHE A 74 TYR A 85 SITE 2 AC1 23 VAL A 89 ARG A 92 PHE A 93 TRP A 96 SITE 3 AC1 23 TYR A 112 ARG A 119 HIS A 120 LYS A 125 SITE 4 AC1 23 ASN A 126 ILE A 137 TYR A 141 PHE A 145 SITE 5 AC1 23 VAL A 182 TRP A 185 OXY A 350 HOH A2205 SITE 6 AC1 23 HOH A2262 HOH A2263 HOH A2264 SITE 1 AC2 8 GLY A 12 GLU A 13 THR A 14 GLU A 15 SITE 2 AC2 8 ASN A 16 ALA A 108 ASP A 111 HOH A2265 SITE 1 AC3 8 TYR A 72 VAL A 134 PRO A 135 ASN A 136 SITE 2 AC3 8 HOH A2136 HOH A2226 HOH A2266 HOH A2267 SITE 1 AC4 9 PRO A 164 GLU A 165 TYR A 187 PRO A 188 SITE 2 AC4 9 VAL A 190 LYS A 191 TYR A 192 HOH A2268 SITE 3 AC4 9 HOH A2269 SITE 1 AC5 2 PHE A 93 HEM A 200 CRYST1 80.059 49.271 51.513 90.00 92.88 90.00 C 1 2 1 4 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 0.012491 0.000000 0.000628 0.00000 SCALE2 0.000000 0.020296 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019437 0.00000