PDB Short entry for 1A2G HEADER OXIDOREDUCTASE 02-JAN-98 1A2G TITLE PROBING THE STRENGTH AND CHARACTER OF AN ASP-HIS-X HYDROGEN BOND BY TITLE 2 INTRODUCING BURIED CHARGES COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C PEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CCP/M231H; COMPND 5 EC: 1.11.1.5; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 CELL_LINE: BL21; SOURCE 6 ORGANELLE: MITOCHONDRIA; SOURCE 7 GENE: CCP; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 11 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PT7CCP; SOURCE 13 EXPRESSION_SYSTEM_GENE: CCP(MKT) KEYWDS OXIDOREDUCTASE, PEROXIDASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.CAO,D.B.GOODIN,D.E.MCREE REVDAT 5 09-AUG-23 1A2G 1 REMARK REVDAT 4 21-DEC-22 1A2G 1 REMARK SEQADV REVDAT 3 24-FEB-09 1A2G 1 VERSN REVDAT 2 13-JAN-99 1A2G 1 HET SOURCE COMPND REMARK REVDAT 2 2 1 FORMUL JRNL KEYWDS HEADER REVDAT 1 25-NOV-98 1A2G 0 JRNL AUTH Y.CAO,R.A.MUSAH,D.B.GOODIN,D.E.MCREE JRNL TITL PROBING THE STRENGTH AND CHARACTER OF AN ASP-HIS-X HYDROGEN JRNL TITL 2 BOND BY INTRODUCING BURIED CHARGES JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.B.GOODIN,D.E.MCREE REMARK 1 TITL THE ASP-HIS-FE TRIAD OF CYTOCHROME C PEROXIDASE CONTROLS THE REMARK 1 TITL 2 REDUCTION POTENTIAL, ELECTRONIC STRUCTURE, AND COUPLING OF REMARK 1 TITL 3 THE TRYPTOPHAN FREE RADICAL TO THE HEME REMARK 1 REF BIOCHEMISTRY V. 32 3313 1993 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 1.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 18000 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2352 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 107 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 39.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19.PRO2 REMARK 3 TOPOLOGY FILE 2 : TOPH19.HIS REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1A2G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000170310. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUN-95 REMARK 200 TEMPERATURE (KELVIN) : 290 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NO REMARK 200 OPTICS : NO REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22339 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.6 REMARK 200 DATA REDUNDANCY : 2.960 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : 0.07000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 50.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.25200 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: 1CCA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DIALYSIS AGAINST DISTILLED WATER, REMARK 280 DIALYSIS 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 52.30000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 22.55000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 22.55000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 52.30000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.00000 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: MONOMERIC 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 DISTANCE REMARK 500 HG1 THR A 63 HH12 ARG A 143 1.15 REMARK 500 REMARK 500 REMARK: NULL 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 OE2 GLU A 214 O HOH A 374 44610 1.92 REMARK 500 O GLY A 293 O HOH A 330 3549 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 52 NE2 HIS A 52 CD2 -0.066 REMARK 500 HIS A 60 NE2 HIS A 60 CD2 -0.069 REMARK 500 HIS A 96 NE2 HIS A 96 CD2 -0.076 REMARK 500 HIS A 175 NE2 HIS A 175 CD2 -0.066 REMARK 500 REMARK 500 REMARK: NULL 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 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 31 NE - CZ - NH2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 48 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 TRP A 51 CD1 - CG - CD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 TRP A 51 CE2 - CD2 - CG ANGL. DEV. = -5.7 DEGREES REMARK 500 TRP A 57 CD1 - CG - CD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 TRP A 57 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 TRP A 101 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP A 101 CE2 - CD2 - CG ANGL. DEV. = -5.5 DEGREES REMARK 500 TRP A 126 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 126 CE2 - CD2 - CG ANGL. DEV. = -4.9 DEGREES REMARK 500 ARG A 127 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 127 NE - CZ - NH2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ARG A 143 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG A 143 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG A 160 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ASN A 162 CA - C - N ANGL. DEV. = -13.6 DEGREES REMARK 500 MET A 163 CG - SD - CE ANGL. DEV. = -13.9 DEGREES REMARK 500 TRP A 191 CB - CG - CD1 ANGL. DEV. = -8.9 DEGREES REMARK 500 TRP A 191 CE2 - CD2 - CG ANGL. DEV. = -5.4 DEGREES REMARK 500 TRP A 211 CD1 - CG - CD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 TRP A 211 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 TRP A 223 CD1 - CG - CD2 ANGL. DEV. = 7.0 DEGREES REMARK 500 TRP A 223 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 TYR A 229 CB - CG - CD2 ANGL. DEV. = -4.3 DEGREES REMARK 500 TYR A 244 CB - CG - CD2 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 33 49.83 -90.29 REMARK 500 ASN A 62 19.19 58.91 REMARK 500 MET A 119 26.93 -76.95 REMARK 500 ASP A 148 46.85 -89.13 REMARK 500 ASN A 162 65.94 16.19 REMARK 500 ASN A 196 24.09 -146.56 REMARK 500 SER A 237 -38.53 -38.64 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 1 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 175 NE2 REMARK 620 2 HEM A 1 NA 96.9 REMARK 620 3 HEM A 1 NB 93.2 88.9 REMARK 620 4 HEM A 1 NC 92.9 170.2 91.2 REMARK 620 5 HEM A 1 ND 88.8 89.8 177.7 89.8 REMARK 620 6 HOH A 313 O 171.7 75.0 85.2 95.2 92.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AVE REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: HIS SUBSTITUTES THE MET 231 - FORMS A NEW H-BOND REMARK 800 TO ASP 235. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1 DBREF 1A2G A 4 294 UNP P00431 CCPR_YEAST 71 361 SEQADV 1A2G ILE A 53 UNP P00431 THR 120 ENGINEERED MUTATION SEQADV 1A2G GLY A 152 UNP P00431 ASP 219 ENGINEERED MUTATION SEQADV 1A2G HIS A 231 UNP P00431 MET 298 ENGINEERED MUTATION SEQRES 1 A 291 LEU VAL HIS VAL ALA SER VAL GLU LYS GLY ARG SER TYR SEQRES 2 A 291 GLU ASP PHE GLN LYS VAL TYR ASN ALA ILE ALA LEU LYS SEQRES 3 A 291 LEU ARG GLU ASP ASP GLU TYR ASP ASN TYR ILE GLY TYR SEQRES 4 A 291 GLY PRO VAL LEU VAL ARG LEU ALA TRP HIS ILE SER GLY SEQRES 5 A 291 THR TRP ASP LYS HIS ASP ASN THR GLY GLY SER TYR GLY SEQRES 6 A 291 GLY THR TYR ARG PHE LYS LYS GLU PHE ASN ASP PRO SER SEQRES 7 A 291 ASN ALA GLY LEU GLN ASN GLY PHE LYS PHE LEU GLU PRO SEQRES 8 A 291 ILE HIS LYS GLU PHE PRO TRP ILE SER SER GLY ASP LEU SEQRES 9 A 291 PHE SER LEU GLY GLY VAL THR ALA VAL GLN GLU MET GLN SEQRES 10 A 291 GLY PRO LYS ILE PRO TRP ARG CYS GLY ARG VAL ASP THR SEQRES 11 A 291 PRO GLU ASP THR THR PRO ASP ASN GLY ARG LEU PRO ASP SEQRES 12 A 291 ALA ASP LYS ASP ALA GLY TYR VAL ARG THR PHE PHE GLN SEQRES 13 A 291 ARG LEU ASN MET ASN ASP ARG GLU VAL VAL ALA LEU MET SEQRES 14 A 291 GLY ALA HIS ALA LEU GLY LYS THR HIS LEU LYS ASN SER SEQRES 15 A 291 GLY TYR GLU GLY PRO TRP GLY ALA ALA ASN ASN VAL PHE SEQRES 16 A 291 THR ASN GLU PHE TYR LEU ASN LEU LEU ASN GLU ASP TRP SEQRES 17 A 291 LYS LEU GLU LYS ASN ASP ALA ASN ASN GLU GLN TRP ASP SEQRES 18 A 291 SER LYS SER GLY TYR MET HIS LEU PRO THR ASP TYR SER SEQRES 19 A 291 LEU ILE GLN ASP PRO LYS TYR LEU SER ILE VAL LYS GLU SEQRES 20 A 291 TYR ALA ASN ASP GLN ASP LYS PHE PHE LYS ASP PHE SER SEQRES 21 A 291 LYS ALA PHE GLU LYS LEU LEU GLU ASN GLY ILE THR PHE SEQRES 22 A 291 PRO LYS ASP ALA PRO SER PRO PHE ILE PHE LYS THR LEU SEQRES 23 A 291 GLU GLU GLN GLY LEU HET HEM A 1 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *107(H2 O) HELIX 1 A SER A 15 ASP A 33 1 19 HELIX 2 B TYR A 42 SER A 54 1 13 HELIX 3 B1 PHE A 73 ASN A 78 1 6 HELIX 4 C GLY A 84 PHE A 99 1 16 HELIX 5 D SER A 103 MET A 119 1 17 HELIX 6 E ASP A 150 PHE A 158 1 9 HELIX 7 F ASN A 164 LEU A 177 1 14 HELIX 8 F1 HIS A 181 GLY A 186 1 6 HELIX 9 G GLU A 201 GLU A 209 1 9 HELIX 10 H LEU A 232 GLN A 240 1 9 HELIX 11 I ASP A 241 ASN A 253 1 13 HELIX 12 J GLN A 255 ASN A 272 1 18 HELIX 13 J1 THR A 288 GLY A 293 1 6 SHEET 1 A 3 TRP A 211 LYS A 215 0 SHEET 2 A 3 GLU A 221 SER A 225 -1 N ASP A 224 O LYS A 212 SHEET 3 A 3 MET A 230 LEU A 232 -1 N HIS A 231 O TRP A 223 LINK FE HEM A 1 NE2 HIS A 175 1555 1555 2.01 LINK FE HEM A 1 O HOH A 313 1555 1555 2.21 SITE 1 AVE 3 ARG A 48 TRP A 51 HIS A 52 SITE 1 AC1 20 PRO A 44 VAL A 47 TRP A 51 PRO A 145 SITE 2 AC1 20 ASP A 146 ALA A 147 LEU A 171 ALA A 174 SITE 3 AC1 20 HIS A 175 LEU A 177 GLY A 178 LYS A 179 SITE 4 AC1 20 HIS A 181 ASN A 184 SER A 185 LEU A 232 SITE 5 AC1 20 HOH A 302 HOH A 311 HOH A 313 HOH A 314 CRYST1 104.600 74.000 45.100 90.00 90.00 90.00 P 21 21 21 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 0.009560 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013514 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022173 0.00000