HEADER OXYGEN BINDING 17-AUG-21 7V5Q TITLE THE DIMERIC STRUCTURE OF G80A/H81A/L137E MYOGLOBIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOGLOBIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EQUUS CABALLUS; SOURCE 3 ORGANISM_COMMON: HORSE; SOURCE 4 ORGANISM_TAXID: 9796; SOURCE 5 GENE: MB; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS OXYGEN STORAGE, OXYGEN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR C.XIE,H.KOMORI,S.HIROTA REVDAT 2 29-NOV-23 7V5Q 1 REMARK REVDAT 1 29-JUN-22 7V5Q 0 JRNL AUTH C.XIE,H.SHIMOYAMA,M.YAMANAKA,S.NAGAO,H.KOMORI,N.SHIBATA, JRNL AUTH 2 Y.HIGUCHI,Y.SHIGETA,S.HIROTA JRNL TITL EXPERIMENTAL AND THEORETICAL STUDY ON CONVERTING MYOGLOBIN JRNL TITL 2 INTO A STABLE DOMAIN-SWAPPED DIMER BY UTILIZING A TIGHT JRNL TITL 3 HYDROGEN BOND NETWORK AT THE HINGE REGION. JRNL REF RSC ADV V. 11 37604 2021 JRNL REFN ESSN 2046-2069 JRNL PMID 35496441 JRNL DOI 10.1039/D1RA06888A REMARK 2 REMARK 2 RESOLUTION. 1.38 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.38 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.32 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 59812 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) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 3108 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) : 1.38 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.42 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4306 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.41 REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE SET COUNT : 213 REMARK 3 BIN FREE R VALUE : 0.2890 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2392 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 298 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.72 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.42000 REMARK 3 B22 (A**2) : -1.98000 REMARK 3 B33 (A**2) : 4.39000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.065 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.062 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.053 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.034 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.969 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.955 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2549 ; 0.008 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2431 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3455 ; 1.477 ; 1.696 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5624 ; 1.465 ; 1.621 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 306 ; 4.907 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 110 ;38.912 ;24.727 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 455 ;12.865 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ; 5.007 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 312 ; 0.076 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2869 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 541 ; 0.006 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1224 ; 1.570 ; 1.276 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1222 ; 1.565 ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1527 ; 1.840 ; 1.919 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1527 ; 1.840 ; 3.404 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1325 ; 1.779 ; 1.486 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1323 ; 1.778 ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1927 ; 2.141 ; 8.505 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2996 ; 2.438 ;34.696 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2926 ; 2.407 ;29.939 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2549 ; 2.988 ; 3.000 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 : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 153 REMARK 3 ORIGIN FOR THE GROUP (A): 4.1667 19.7970 2.7891 REMARK 3 T TENSOR REMARK 3 T11: 0.0302 T22: 0.0411 REMARK 3 T33: 0.0986 T12: -0.0175 REMARK 3 T13: 0.0234 T23: -0.0171 REMARK 3 L TENSOR REMARK 3 L11: 0.2728 L22: 2.2830 REMARK 3 L33: 0.8580 L12: -0.4586 REMARK 3 L13: 0.3400 L23: -1.0101 REMARK 3 S TENSOR REMARK 3 S11: 0.0194 S12: 0.0103 S13: 0.0098 REMARK 3 S21: -0.1322 S22: -0.0312 S23: -0.0027 REMARK 3 S31: 0.0530 S32: 0.0732 S33: 0.0118 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 1 B 153 REMARK 3 ORIGIN FOR THE GROUP (A): 2.4827 27.6898 -0.0503 REMARK 3 T TENSOR REMARK 3 T11: 0.0619 T22: 0.0119 REMARK 3 T33: 0.0921 T12: -0.0234 REMARK 3 T13: 0.0136 T23: -0.0111 REMARK 3 L TENSOR REMARK 3 L11: 0.6771 L22: 2.1050 REMARK 3 L33: 0.4320 L12: -0.7695 REMARK 3 L13: 0.3451 L23: -0.6553 REMARK 3 S TENSOR REMARK 3 S11: -0.0314 S12: 0.0373 S13: 0.0839 REMARK 3 S21: -0.1041 S22: 0.0049 S23: -0.1069 REMARK 3 S31: -0.0657 S32: 0.0441 S33: 0.0265 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 RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 7V5Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-AUG-21. REMARK 100 THE DEPOSITION ID IS D_1300024010. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-FEB-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL41XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : POINTLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62992 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.380 REMARK 200 RESOLUTION RANGE LOW (A) : 47.320 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 1.000 REMARK 200 R MERGE (I) : 0.13100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.38 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.40 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 3VM9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM ACETATE, 0.1 M TRIS-HCL, REMARK 280 10% (W/V) PEG 6,000, AND 5 % (W/V) PEG 8,000, PH 7.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 28.73000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.71500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.51500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.71500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.73000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.51500 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: 8270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14340 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -94.0 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS B 87 CD CE NZ 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 TYR B 146 CB - CG - CD1 ANGL. DEV. = 3.8 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 ASP A 20 71.46 -153.48 REMARK 500 LYS A 96 -60.43 -92.76 REMARK 500 PHE A 123 72.63 -69.69 REMARK 500 PHE B 123 53.03 -146.58 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 444 DISTANCE = 6.22 ANGSTROMS REMARK 525 HOH B 453 DISTANCE = 5.84 ANGSTROMS REMARK 525 HOH B 454 DISTANCE = 6.12 ANGSTROMS 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 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 93 NE2 REMARK 620 2 HEM A 201 NA 89.8 REMARK 620 3 HEM A 201 NB 90.5 88.7 REMARK 620 4 HEM A 201 NC 95.2 174.2 88.3 REMARK 620 5 HEM A 201 ND 95.4 92.2 174.0 90.2 REMARK 620 6 HOH A 314 O 175.2 95.0 89.5 80.0 84.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 93 NE2 REMARK 620 2 HEM B 201 NA 90.9 REMARK 620 3 HEM B 201 NB 91.1 89.1 REMARK 620 4 HEM B 201 NC 93.7 175.0 89.0 REMARK 620 5 HEM B 201 ND 94.5 91.3 174.3 90.2 REMARK 620 6 HOH B 327 O 175.2 93.4 90.9 82.0 83.4 REMARK 620 N 1 2 3 4 5 DBREF 7V5Q A 1 153 UNP P68082 MYG_HORSE 2 154 DBREF 7V5Q B 1 153 UNP P68082 MYG_HORSE 2 154 SEQADV 7V5Q ALA A 80 UNP P68082 GLY 81 ENGINEERED MUTATION SEQADV 7V5Q ALA A 81 UNP P68082 HIS 82 ENGINEERED MUTATION SEQADV 7V5Q GLU A 137 UNP P68082 LEU 138 ENGINEERED MUTATION SEQADV 7V5Q ALA B 80 UNP P68082 GLY 81 ENGINEERED MUTATION SEQADV 7V5Q ALA B 81 UNP P68082 HIS 82 ENGINEERED MUTATION SEQADV 7V5Q GLU B 137 UNP P68082 LEU 138 ENGINEERED MUTATION SEQRES 1 A 153 GLY LEU SER ASP GLY GLU TRP GLN GLN VAL LEU ASN VAL SEQRES 2 A 153 TRP GLY LYS VAL GLU ALA ASP ILE ALA GLY HIS GLY GLN SEQRES 3 A 153 GLU VAL LEU ILE ARG LEU PHE THR GLY HIS PRO GLU THR SEQRES 4 A 153 LEU GLU LYS PHE ASP LYS PHE LYS HIS LEU LYS THR GLU SEQRES 5 A 153 ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY SEQRES 6 A 153 THR VAL VAL LEU THR ALA LEU GLY GLY ILE LEU LYS LYS SEQRES 7 A 153 LYS ALA ALA HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN SEQRES 8 A 153 SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU SEQRES 9 A 153 GLU PHE ILE SER ASP ALA ILE ILE HIS VAL LEU HIS SER SEQRES 10 A 153 LYS HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA SEQRES 11 A 153 MET THR LYS ALA LEU GLU GLU PHE ARG ASN ASP ILE ALA SEQRES 12 A 153 ALA LYS TYR LYS GLU LEU GLY PHE GLN GLY SEQRES 1 B 153 GLY LEU SER ASP GLY GLU TRP GLN GLN VAL LEU ASN VAL SEQRES 2 B 153 TRP GLY LYS VAL GLU ALA ASP ILE ALA GLY HIS GLY GLN SEQRES 3 B 153 GLU VAL LEU ILE ARG LEU PHE THR GLY HIS PRO GLU THR SEQRES 4 B 153 LEU GLU LYS PHE ASP LYS PHE LYS HIS LEU LYS THR GLU SEQRES 5 B 153 ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY SEQRES 6 B 153 THR VAL VAL LEU THR ALA LEU GLY GLY ILE LEU LYS LYS SEQRES 7 B 153 LYS ALA ALA HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN SEQRES 8 B 153 SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU SEQRES 9 B 153 GLU PHE ILE SER ASP ALA ILE ILE HIS VAL LEU HIS SER SEQRES 10 B 153 LYS HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA SEQRES 11 B 153 MET THR LYS ALA LEU GLU GLU PHE ARG ASN ASP ILE ALA SEQRES 12 B 153 ALA LYS TYR LYS GLU LEU GLY PHE GLN GLY HET HEM A 201 43 HET HEM B 201 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *298(H2 O) HELIX 1 AA1 SER A 3 ALA A 19 1 17 HELIX 2 AA2 ASP A 20 HIS A 36 1 17 HELIX 3 AA3 HIS A 36 GLU A 41 1 6 HELIX 4 AA4 LYS A 42 LYS A 47 5 6 HELIX 5 AA5 THR A 51 SER A 58 1 8 HELIX 6 AA6 SER A 58 LYS A 96 1 39 HELIX 7 AA7 PRO A 100 HIS A 119 1 20 HELIX 8 AA8 GLY A 124 GLY A 150 1 27 HELIX 9 AA9 SER B 3 ASP B 20 1 18 HELIX 10 AB1 ASP B 20 HIS B 36 1 17 HELIX 11 AB2 PRO B 37 PHE B 43 5 7 HELIX 12 AB3 THR B 51 SER B 58 1 8 HELIX 13 AB4 SER B 58 LYS B 96 1 39 HELIX 14 AB5 PRO B 100 HIS B 119 1 20 HELIX 15 AB6 PRO B 120 PHE B 123 5 4 HELIX 16 AB7 GLY B 124 GLY B 150 1 27 LINK NE2 HIS A 93 FE HEM A 201 1555 1555 2.06 LINK FE HEM A 201 O HOH A 314 1555 1555 2.05 LINK NE2 HIS B 93 FE HEM B 201 1555 1555 2.10 LINK FE HEM B 201 O HOH B 327 1555 1555 2.10 CRYST1 57.460 63.030 83.430 90.00 90.00 90.00 P 21 21 21 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 0.017403 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015865 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011986 0.00000