HEADER OXIDOREDUCTASE (H2O2(A)) 03-NOV-83 1CYP OBSLTE 21-JAN-86 1CYP 2CYP TITLE CRYSTAL STRUCTURE OF YEAST CYTOCHROME $C PEROXIDASE REFINED TITLE 2 AT 1.7-*ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE:; COMPND 3 CHAIN: NULL; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1 KEYWDS OXIDOREDUCTASE (H2O2(A)) EXPDTA X-RAY DIFFRACTION AUTHOR B.C.FINZEL,T.L.POULOS,J.KRAUT REVDAT 3 21-JAN-86 1CYP 3 OBSLTE REVDAT 2 04-MAR-85 1CYP 1 JRNL REVDAT 1 02-FEB-84 1CYP 0 JRNL AUTH B.C.FINZEL,T.L.POULOS,J.KRAUT JRNL TITL CRYSTAL STRUCTURE OF YEAST CYTOCHROME C PEROXIDASE JRNL TITL 2 REFINED AT 1.7-ANGSTROMS RESOLUTION JRNL REF J.BIOL.CHEM. V. 259 13027 1984 JRNL REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.L.POULOS,B.C.FINZEL REMARK 1 TITL HEME ENZYME STRUCTURE AND FUNCTION REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH T.L.POULOS,J.KRAUT REMARK 1 TITL A HYPOTHETICAL MODEL OF THE CYTOCHROME C REMARK 1 TITL 2 PEROXIDASE . CYTOCHROME C ELECTRON TRANSFER COMPLEX REMARK 1 REF J.BIOL.CHEM. V. 255 10322 1980 REMARK 1 REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REFERENCE 3 REMARK 1 AUTH T.L.POULOS,J.KRAUT REMARK 1 TITL THE STEREOCHEMISTRY OF PEROXIDASE CATALYSIS REMARK 1 REF J.BIOL.CHEM. V. 255 8199 1980 REMARK 1 REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REFERENCE 4 REMARK 1 AUTH T.L.POULOS,S.T.FREER,R.A.ALDEN,S.L.EDWARDS, REMARK 1 AUTH 2 U.SKOGLAND,K.TAKIO,B.ERIKSSON,N.-H.XUONG, REMARK 1 AUTH 3 T.YONETANI,J.KRAUT REMARK 1 TITL THE CRYSTAL STRUCTURE OF CYTOCHROME C PEROXIDASE REMARK 1 REF J.BIOL.CHEM. V. 255 575 1980 REMARK 1 REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REFERENCE 5 REMARK 1 AUTH T.L.POULOS,S.T.FREER,R.A.ALDEN,N.H.XUONG, REMARK 1 AUTH 2 S.L.EDWARDS,R.C.HAMLIN,J.KRAUT REMARK 1 TITL CRYSTALLOGRAPHIC DETERMINATION OF THE HEME REMARK 1 TITL 2 ORIENTATION AND LOCATION OF THE CYANIDE BINDING REMARK 1 TITL 3 SITE IN YEAST CYTOCHROME C PEROXIDASE REMARK 1 REF J.BIOL.CHEM. V. 253 3730 1978 REMARK 1 REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. NULL ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : NULL REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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) : NULL 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 : 2302 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 263 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) : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CYP COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 5 REMARK 5 1CYP OMITTED FROM THIS ENTRY ARE DISORDERED SURFACE ATOMS REMARK 5 WHOSE 1CYP POSITION COULD NOT BE DETERMINED EVEN AFTER REMARK 5 REFINEMENT. 1CYP REMARK 6 REMARK 6 1CYP STRUCTURE FACTORS FOR CYTOCHROME C PEROXIDASE ARE REMARK 6 AVAILABLE 1CYP FROM THE PROTEIN DATA BANK AS A SEPARATE REMARK 6 ENTRY. 1CYP REMARK 7 REMARK 7 1CYP CORRECTION. UPDATE JRNL REFERENCE TO REFLECT REMARK 7 PUBLICATION. 1CYP 04-MAR-85. 1CYP REMARK 8 REMARK 8 1CYP CORRECTION. THIS ENTRY IS OBSOLETE. 21-JAN-86. 1CYP REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 1/2-X,-Y,1/2+Z REMARK 290 3555 -X,1/2+Y,1/2-Z REMARK 290 4555 1/2+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 53.70000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 25.70000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.40000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 25.70000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 53.70000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.40000 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 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 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 THR 1 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 THR 2 CB OG1 CG2 REMARK 470 LEU 4 CD1 REMARK 470 VAL 10 CG2 REMARK 470 LYS 12 NZ REMARK 470 GLU 17 CG CD OE1 OE2 REMARK 470 LYS 21 NZ REMARK 470 GLU 32 CG CD OE1 OE2 REMARK 470 GLU 35 CG CD OE1 OE2 REMARK 470 ASN 38 OD1 ND2 REMARK 470 LYS 74 CG CD CE NZ REMARK 470 LYS 90 CD CE NZ REMARK 470 GLU 93 CG CD OE1 OE2 REMARK 470 LYS 97 CG CD CE NZ REMARK 470 GLN 120 OE1 NE2 REMARK 470 LYS 183 CG CD CE NZ REMARK 470 ASP 210 OD1 OD2 REMARK 470 LYS 212 CD CE NZ REMARK 470 ASN 219 OD1 ND2 REMARK 470 LYS 226 CG CD CE NZ REMARK 470 LYS 243 CD CE NZ REMARK 470 LYS 249 CE NZ REMARK 470 LYS 260 NZ REMARK 470 LYS 264 CD CE NZ REMARK 470 LYS 278 CG CD CE NZ REMARK 470 ASP 279 OD1 OD2 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 NE2 HIS 175 FE HEM 1 1.93 REMARK 500 O HOH 515 O HOH 815 2.08 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 398 O HOH 520 4477 1.45 REMARK 500 O HOH 463 O HOH 855 2575 2.10 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 LYS 260 CG - CD - CE ANGL. DEV. = 45.9 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 393 DISTANCE = 8.01 ANGSTROMS REMARK 525 HOH 397 DISTANCE = 5.20 ANGSTROMS REMARK 525 HOH 484 DISTANCE = 5.18 ANGSTROMS REMARK 525 HOH 485 DISTANCE = 5.80 ANGSTROMS REMARK 525 HOH 501 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH 687 DISTANCE = 8.22 ANGSTROMS REMARK 525 HOH 721 DISTANCE = 6.06 ANGSTROMS REMARK 525 HOH 853 DISTANCE = 7.89 ANGSTROMS REMARK 525 HOH 997 DISTANCE = 9.19 ANGSTROMS REMARK 525 HOH 998 DISTANCE = 7.27 ANGSTROMS SEQRES 1 294 THR THR PRO LEU VAL HIS VAL ALA SER VAL GLU LYS GLY SEQRES 2 294 ARG SER TYR GLU ASP PHE GLN LYS VAL TYR ASN ALA ILE SEQRES 3 294 ALA LEU LYS LEU ARG GLU ASP ASP GLU TYR ASP ASN LYS SEQRES 4 294 ILE GLY TYR GLY PRO VAL LEU VAL ARG LEU ALA TRP HIS SEQRES 5 294 THR SER GLY THR TRP ASP LYS HIS ASP ASN THR GLY GLY SEQRES 6 294 SER TYR GLY GLY THR TYR ARG PHE LYS LYS GLU PHE ASN SEQRES 7 294 ASP PRO SER ASN ALA GLY LEU GLN ASN GLY PHE LYS PHE SEQRES 8 294 LEU GLU PRO ILE HIS LYS GLU PHE PRO TRP ILE SER SER SEQRES 9 294 GLY ASP LEU PHE SER LEU GLY GLY VAL THR ALA VAL GLN SEQRES 10 294 GLU MET GLN GLY PRO LYS ILE PRO TRP ARG CYS GLY ARG SEQRES 11 294 VAL ASP THR PRO GLU ASP THR THR PRO ASP ASN GLY ARG SEQRES 12 294 LEU PRO ASP ALA ASP LYS ASP ALA ASP TYR VAL ARG THR SEQRES 13 294 PHE PHE GLN ARG LEU ASN MET ASN ASP ARG GLU VAL VAL SEQRES 14 294 ALA LEU MET GLY ALA HIS ALA LEU GLY LYS THR HIS LEU SEQRES 15 294 LYS ASN SER GLY TYR GLU GLY PRO TRP GLY ALA ALA ASN SEQRES 16 294 ASN VAL PHE THR ASN GLU PHE TYR LEU ASN LEU LEU ASN SEQRES 17 294 GLU ASP TRP LYS LEU GLU LYS ASN ASP ALA ASN ASN GLU SEQRES 18 294 GLN TRP ASP SER LYS SER GLY TYR MET MET LEU PRO THR SEQRES 19 294 ASP TYR SER LEU ILE GLN ASP PRO LYS TYR LEU SER ILE SEQRES 20 294 VAL LYS GLU TYR ALA ASN ASP GLN ASP LYS PHE PHE LYS SEQRES 21 294 ASP PHE SER LYS ALA PHE GLU LYS LEU LEU GLU ASP GLY SEQRES 22 294 ILE THR PHE PRO LYS ASP ALA PRO SER PRO PHE ILE PHE SEQRES 23 294 LYS THR LEU GLU GLU GLN GLY LEU FTNOTE 1 THIS ATOM WAS DESIGNATED HOH 595 BY THE DEPOSITORS. HET HEM 1 44 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *263(H2 O1) HELIX 1 A SER 15 ASP 33 1 19 HELIX 2 B TYR 42 SER 54 1 13 HELIX 3 B1 PHE 73 ASN 78 1 6 HELIX 4 C GLY 84 PHE 99 1BENT AT PRO 94 16 HELIX 5 D SER 103 MET 119 1 17 HELIX 6 E ASP 150 PHE 158 1 9 HELIX 7 F ASN 164 LEU 177 1 14 HELIX 8 F1 HIS 181 GLY 186 1 6 HELIX 9 G GLU 201 GLU 209 1 9 HELIX 10 H LEU 232 GLN 240 1 9 HELIX 11 I ASP 241 ASN 253 1 13 HELIX 12 J GLN 255 ASP 272 1 18 HELIX 13 J1 THR 288 GLY 293 1 6 SHEET 1 A 2 LYS 179 THR 180 0 SHEET 2 A 2 GLY 189 PRO 190 -1 O GLY 189 N THR 180 SHEET 1 B 3 TRP 211 LYS 215 0 SHEET 2 B 3 GLU 221 SER 225 -1 O GLN 222 N GLU 214 SHEET 3 B 3 MET 230 MET 231 -1 O MET 231 N TRP 223 TURN 1 T1 GLU 11 ARG 14 TYPE II BETA-BEND TURN 2 T2 ASP 37 ILE 40 TYPE I PRIME BETA-BEND TURN 3 T3 ASN 82 LEU 85 TYPE II BETA-BEND TURN 4 T4 ASP 58 ASP 61 TYPE I BETA-BEND TURN 5 T5 ASN 216 ASN 219 TYPE I BETA-BEND TURN 6 T6 SER 225 GLY 228 TYPE I BETA-BEND TURN 7 T7 GLU 271 ILE 274 TYPE II BETA-BEND CRYST1 107.400 76.800 51.400 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 0.009311 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013021 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019455 0.00000