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HEADER HEME PROTEIN 25-FEB-98 1A6G TITLE CARBONMONOXY-MYOGLOBIN, ATOMIC RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOGLOBIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PHYSETER CATODON; SOURCE 3 ORGANISM_COMMON: SPERM WHALE KEYWDS HEME PROTEIN, MODEL COMPOUNDS, OXYGEN STORAGE, LIGAND KEYWDS 2 BINDING GEOMETRY, CONFORMATIONAL SUBSTATES EXPDTA X-RAY DIFFRACTION AUTHOR J.VOJTECHOVSKY,K.CHU,J.BERENDZEN,R.M.SWEET,I.SCHLICHTING REVDAT 2 14-JUN-05 1A6G 1 AUTHOR JRNL REVDAT 1 21-OCT-98 1A6G 0 JRNL AUTH J.VOJTECHOVSKY,K.CHU,J.BERENDZEN,R.M.SWEET, JRNL AUTH 2 I.SCHLICHTING JRNL TITL CRYSTAL STRUCTURES OF MYOGLOBIN-LIGAND COMPLEXES JRNL TITL 2 AT NEAR-ATOMIC RESOLUTION. JRNL REF BIOPHYS.J. V. 77 2153 1999 JRNL REFN ASTM BIOJAU US ISSN 0006-3495 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.128 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.127 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.160 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 2084 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 41538 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.119 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.118 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.150 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1784 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 35480 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1363 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 187 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1415.90 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1263.10 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 26 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 12713 REMARK 3 NUMBER OF RESTRAINTS : 19055 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 ANGLE DISTANCES (A) : 0.033 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.023 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.094 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.115 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.044 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.083 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: HEME - PARAMETERS BASED ON CSD REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NO GEOMETRIC RESTRAINTS APPLIED TO REMARK 3 IRON AND THE PLANAR ATOMS OF THE HEME. DATA CUTOFF -3.0 REMARK 3 (SIGMA(I)) BAYESIAN DIFFERENCE REFINEMENT WAS USED AT THE REMARK 3 FINAL STEP. SEE TERWILLIGER AND BERENDZEN, ACTA CRYST. D52: REMARK 3 1004-1011. REMARK 4 REMARK 4 1A6G COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006 REMARK 4 REMARK 4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY. REMARK 4 REMEDIATED DATA FILE REVISION 3.100 (2007-03-16) REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JAN-1997 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 42857 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.150 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05900 REMARK 200 FOR THE DATA SET : 20.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.29900 REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SHELXL-97 REMARK 200 STARTING MODEL: 1MBC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.18 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM REMARK 280 AMMONIUM SULPHATE, 50MM POTASSIUM PHOSPHATE, PH 6.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,1/2+Y,-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 15.31500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 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 REMARK 500 FE HEM 154 C CMO 154 1.82 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH 1103 O HOH 1142 2655 2.17 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLU A 83 CB - CG - CD ANGL. DEV. = 16.3 DEGREES REMARK 500 GLU A 109 CB - CG - CD ANGL. DEV. = 24.1 DEGREES REMARK 525 REMARK 525 SOLVENT REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH 1116 DISTANCE = 5.76 ANGSTROMS REMARK 525 HOH 1165 DISTANCE = 5.20 ANGSTROMS REMARK 525 HOH 1174 DISTANCE = 5.29 ANGSTROMS DBREF 1A6G A 1 151 UNP P02185 MYG_PHYCA 2 152 SEQRES 1 A 151 VAL LEU SER GLU GLY GLU TRP GLN LEU VAL LEU HIS VAL SEQRES 2 A 151 TRP ALA LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY GLN SEQRES 3 A 151 ASP ILE LEU ILE ARG LEU PHE LYS SER HIS PRO GLU THR SEQRES 4 A 151 LEU GLU LYS PHE ASP ARG PHE LYS HIS LEU LYS THR GLU SEQRES 5 A 151 ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY SEQRES 6 A 151 VAL THR VAL LEU THR ALA LEU GLY ALA ILE LEU LYS LYS SEQRES 7 A 151 LYS GLY HIS HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN SEQRES 8 A 151 SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU SEQRES 9 A 151 GLU PHE ILE SER GLU ALA ILE ILE HIS VAL LEU HIS SER SEQRES 10 A 151 ARG HIS PRO GLY ASN PHE GLY ALA ASP ALA GLN GLY ALA SEQRES 11 A 151 MET ASN LYS ALA LEU GLU LEU PHE ARG LYS ASP ILE ALA SEQRES 12 A 151 ALA LYS TYR LYS GLU LEU GLY TYR HET SO4 155 5 HET SO4 156 5 HET HEM 154 43 HET CMO 154 2 HETNAM SO4 SULFATE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETSYN HEM HEME FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 HEM C34 H32 FE N4 O4 FORMUL 5 CMO C O FORMUL 6 HOH *184(H2 O) HELIX 1 A SER A 3 GLU A 18 1 16 HELIX 2 B ASP A 20 SER A 35 1 16 HELIX 3 C HIS A 36 LYS A 42 1 7 HELIX 4 D THR A 51 ALA A 57 1 7 HELIX 5 E SER A 58 LYS A 77 1 20 HELIX 6 F LEU A 86 THR A 95 1 10 HELIX 7 G PRO A 100 ARG A 118 1 19 HELIX 8 H GLY A 124 LEU A 149 1 26 LINK FE HEM 154 NE2 HIS A 93 CRYST1 63.800 30.630 34.420 90.00 105.80 90.00 P 1 21 1 2 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 0.015674 0.000000 0.004435 0.00000 SCALE2 0.000000 0.032648 0.000000 0.00000 SCALE3 0.000000 0.000000 0.030194 0.00000