1ARY - Header Asymmetric Unit

HEADER PEROXIDASE (DONOR:H2O2 OXIDOREDUCTASE) 25-APR-95 1ARY

TITLE CRYSTAL STRUCTURES OF CYANIDE-AND TRIIODIDE-BOUND FORMS OF ARTHROMYCES TITLE 2 RAMOSUS PEROXIDASE AT DIFFERENT PH VALUES. PERTURBATIONS OF ACTIVE TITLE 3 SITE RESIDUES AND THEIR IMPLICATION IN ENZYME CATALYSIS

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.11.1.7; COMPND 5 OTHER_DETAILS: PH 5.0

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: 'ARTHROMYCES RAMOSUS'; SOURCE 3 ORGANISM_TAXID: 5451

KEYWDS PEROXIDASE (DONOR:H2O2 OXIDOREDUCTASE)

EXPDTA X-RAY DIFFRACTION

AUTHOR K.FUKUYAMA,N.KUNISHIMA,F.AMADA

REVDAT 4 16-NOV-11 1ARY 1 HETATM REVDAT 3 13-JUL-11 1ARY 1 VERSN REVDAT 2 24-FEB-09 1ARY 1 VERSN REVDAT 1 29-JAN-96 1ARY 0

JRNL AUTH K.FUKUYAMA,N.KUNISHIMA,F.AMADA,T.KUBOTA,H.MATSUBARA JRNL TITL CRYSTAL STRUCTURES OF CYANIDE- AND TRIIODIDE-BOUND FORMS OF JRNL TITL 2 ARTHROMYCES RAMOSUS PEROXIDASE AT DIFFERENT PH VALUES. JRNL TITL 3 PERTURBATIONS OF ACTIVE SITE RESIDUES AND THEIR IMPLICATION JRNL TITL 4 IN ENZYME CATALYSIS. JRNL REF J.BIOL.CHEM. V. 270 21884 1995 JRNL REFN ISSN 0021-9258 JRNL PMID 7665612 JRNL DOI 10.1074/JBC.270.37.21884

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.KUNISHIMA,K.FUKUYAMA,H.MATSUBARA,H.HATANAKA,Y.SHIBANO, REMARK 1 AUTH 2 T.AMACHI REMARK 1 TITL CRYSTAL STRUCTURE OF THE FUNGAL PEROXIDASE FROM ARTHROMYCES REMARK 1 TITL 2 RAMOSUS AT 1.9 ANGSTROMS RESOLUTION: STRUCTURAL COMPARISONS REMARK 1 TITL 3 WITH THE LIGNIN AND CYTOCHROME C PEROXIDASES REMARK 1 REF J.MOL.BIOL. V. 235 331 1994 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH N.KUNISHIMA,K.FUKUYAMA,S.WAKABAYASHI,M.SUMIDA,M.TAKAYA, REMARK 1 AUTH 2 Y.SHIBANO,T.AMACHI,H.MATSUBARA REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION STUDIES OF REMARK 1 TITL 2 PEROXIDASE FROM A FUNGUS ARTHROMYCES RAMOSUS REMARK 1 REF PROTEINS V. 15 216 1993 REMARK 1 REFN ISSN 0887-3585

REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : ARP/WARP, X-PLOR REMARK 3 AUTHORS : LAMZIN,PERRAKIS,MORRIS,BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 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) : 0.168 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 : 2465 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 81 REMARK 3 SOLVENT ATOMS : 310 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) : 0.018 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 1ARY COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

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 : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-6A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : WEISSENBERG 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 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: ARP/WARP, X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.0

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2 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 -Y+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.000000 -1.000000 0.000000 37.28500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 37.28500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 58.73500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 37.28500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 37.28500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 58.73500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 37.28500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 37.28500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 58.73500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 37.28500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 37.28500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 58.73500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 K K A 808 LIES ON A SPECIAL POSITION.

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 GLN A 1 REMARK 465 GLY A 2 REMARK 465 PRO A 3 REMARK 465 GLY A 4 REMARK 465 GLY A 5 REMARK 465 GLY A 6 REMARK 465 GLY A 7 REMARK 465 GLY A 8

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 TRP A 26 CD1 - CG - CD2 ANGL. DEV. = 5.3 DEGREES REMARK 500 TRP A 26 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG A 104 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG A 166 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 LEU A 186 CA - CB - CG ANGL. DEV. = 14.5 DEGREES REMARK 500 THR A 210 N - CA - CB ANGL. DEV. = -13.9 DEGREES REMARK 500 ARG A 242 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 242 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG A 254 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 254 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 TRP A 259 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 259 CE2 - CD2 - CG ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 272 CB - CG - CD ANGL. DEV. = 15.6 DEGREES REMARK 500 ARG A 272 NE - CZ - NH1 ANGL. DEV. = 5.1 DEGREES REMARK 500 ARG A 272 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 287 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 SER A 339 N - CA - C ANGL. DEV. = -16.4 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 VAL A 10 155.70 -43.15 REMARK 500 PRO A 13 -38.51 -36.05 REMARK 500 ASN A 36 -71.62 -98.46 REMARK 500 CYS A 43 77.25 -110.53 REMARK 500 GLU A 44 -158.52 -128.33 REMARK 500 THR A 314 -169.73 -129.24 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 441 DISTANCE = 7.62 ANGSTROMS REMARK 525 HOH A 450 DISTANCE = 5.56 ANGSTROMS REMARK 525 HOH A 490 DISTANCE = 7.00 ANGSTROMS REMARK 525 HOH A 496 DISTANCE = 7.10 ANGSTROMS REMARK 525 HOH A 537 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 549 DISTANCE = 5.47 ANGSTROMS REMARK 525 HOH A 572 DISTANCE = 6.48 ANGSTROMS REMARK 525 HOH A 602 DISTANCE = 6.05 ANGSTROMS REMARK 525 HOH A 604 DISTANCE = 5.52 ANGSTROMS REMARK 525 HOH A 627 DISTANCE = 7.17 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 345 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 184 NE2 REMARK 620 2 HEM A 345 NA 96.1 REMARK 620 3 HEM A 345 NB 93.7 89.4 REMARK 620 4 HEM A 345 NC 96.7 167.2 88.7 REMARK 620 5 HEM A 345 ND 93.4 91.5 172.7 88.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 346 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 57 O REMARK 620 2 ASP A 57 OD1 81.4 REMARK 620 3 ASP A 77 OD1 135.5 86.0 REMARK 620 4 SER A 79 OG 146.3 93.3 76.5 REMARK 620 5 HOH A 403 O 70.3 99.7 154.2 78.0 REMARK 620 6 GLY A 75 O 67.8 90.8 69.9 145.8 134.6 REMARK 620 7 HOH A 402 O 97.6 178.1 95.9 86.7 78.4 90.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 347 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 185 OG REMARK 620 2 ASP A 202 OD1 115.5 REMARK 620 3 SER A 185 O 71.7 80.0 REMARK 620 4 ASP A 202 OD2 75.6 49.1 93.2 REMARK 620 5 THR A 204 O 149.6 73.5 82.2 122.1 REMARK 620 6 THR A 204 OG1 142.1 76.0 145.1 89.9 67.0 REMARK 620 7 VAL A 207 O 84.7 152.3 89.6 158.2 79.7 100.1 REMARK 620 8 ASP A 209 OD1 71.7 123.5 142.6 85.2 129.6 72.3 79.5 REMARK 620 N 1 2 3 4 5 6 7

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CA1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: CA2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: GL1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG A 348 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG A 349 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 346 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 347 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 805 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 806 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 807 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 808 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 345

DBREF 1ARY A 1 344 UNP P28313 PER_ARTRA 21 364

SEQRES 1 A 344 GLN GLY PRO GLY GLY GLY GLY GLY SER VAL THR CYS PRO SEQRES 2 A 344 GLY GLY GLN SER THR SER ASN SER GLN CYS CYS VAL TRP SEQRES 3 A 344 PHE ASP VAL LEU ASP ASP LEU GLN THR ASN PHE TYR GLN SEQRES 4 A 344 GLY SER LYS CYS GLU SER PRO VAL ARG LYS ILE LEU ARG SEQRES 5 A 344 ILE VAL PHE HIS ASP ALA ILE GLY PHE SER PRO ALA LEU SEQRES 6 A 344 THR ALA ALA GLY GLN PHE GLY GLY GLY GLY ALA ASP GLY SEQRES 7 A 344 SER ILE ILE ALA HIS SER ASN ILE GLU LEU ALA PHE PRO SEQRES 8 A 344 ALA ASN GLY GLY LEU THR ASP THR ILE GLU ALA LEU ARG SEQRES 9 A 344 ALA VAL GLY ILE ASN HIS GLY VAL SER PHE GLY ASP LEU SEQRES 10 A 344 ILE GLN PHE ALA THR ALA VAL GLY MET SER ASN CYS PRO SEQRES 11 A 344 GLY SER PRO ARG LEU GLU PHE LEU THR GLY ARG SER ASN SEQRES 12 A 344 SER SER GLN PRO SER PRO PRO SER LEU ILE PRO GLY PRO SEQRES 13 A 344 GLY ASN THR VAL THR ALA ILE LEU ASP ARG MET GLY ASP SEQRES 14 A 344 ALA GLY PHE SER PRO ASP GLU VAL VAL ASP LEU LEU ALA SEQRES 15 A 344 ALA HIS SER LEU ALA SER GLN GLU GLY LEU ASN SER ALA SEQRES 16 A 344 ILE PHE ARG SER PRO LEU ASP SER THR PRO GLN VAL PHE SEQRES 17 A 344 ASP THR GLN PHE TYR ILE GLU THR LEU LEU LYS GLY THR SEQRES 18 A 344 THR GLN PRO GLY PRO SER LEU GLY PHE ALA GLU GLU LEU SEQRES 19 A 344 SER PRO PHE PRO GLY GLU PHE ARG MET ARG SER ASP ALA SEQRES 20 A 344 LEU LEU ALA ARG ASP SER ARG THR ALA CYS ARG TRP GLN SEQRES 21 A 344 SER MET THR SER SER ASN GLU VAL MET GLY GLN ARG TYR SEQRES 22 A 344 ARG ALA ALA MET ALA LYS MET SER VAL LEU GLY PHE ASP SEQRES 23 A 344 ARG ASN ALA LEU THR ASP CYS SER ASP VAL ILE PRO SER SEQRES 24 A 344 ALA VAL SER ASN ASN ALA ALA PRO VAL ILE PRO GLY GLY SEQRES 25 A 344 LEU THR VAL ASP ASP ILE GLU VAL SER CYS PRO SER GLU SEQRES 26 A 344 PRO PHE PRO GLU ILE ALA THR ALA SER GLY PRO LEU PRO SEQRES 27 A 344 SER LEU ALA PRO ALA PRO

MODRES 1ARY ASN A 143 ASN GLYCOSYLATION SITE

HET NAG A 348 14 HET NAG A 349 14 HET CA A 346 1 HET CA A 347 1 HET IOD A 801 1 HET IOD A 802 1 HET IOD A 803 1 HET IOD A 804 1 HET IOD A 805 1 HET IOD A 806 1 HET IOD A 807 1 HET K A 808 1 HET HEM A 345 43

HETNAM NAG N-ACETYL-D-GLUCOSAMINE HETNAM CA CALCIUM ION HETNAM IOD IODIDE ION HETNAM K POTASSIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE

HETSYN HEM HEME

FORMUL 2 NAG 2(C8 H15 N O6) FORMUL 3 CA 2(CA 2+) FORMUL 5 IOD 7(I 1-) FORMUL 12 K K 1+ FORMUL 13 HEM C34 H32 FE N4 O4 FORMUL 14 HOH *310(H2 O)

HELIX 1 A VAL A 25 ASN A 36 1 12 HELIX 2 B SER A 45 ILE A 59 1 15 HELIX 3 B1 SER A 62 ALA A 68 1 7 HELIX 4 B2 HIS A 83 LEU A 88 1 6 HELIX 5 C LEU A 96 HIS A 110 1 15 HELIX 6 D SER A 113 SER A 127 1 15 HELIX 7 E THR A 159 GLY A 171 1 13 HELIX 8 F SER A 173 LEU A 186 1INCLUDES 3/10 HELIX 14 HELIX 9 G GLN A 211 THR A 216 1 6 HELIX 10 H MET A 243 ASP A 252 1 10 HELIX 11 I THR A 255 MET A 262 1 8 HELIX 12 J SER A 265 SER A 281 1 17

SHEET 1 A 2 LEU A 138 THR A 139 0 SHEET 2 A 2 THR A 291 ASP A 292 -1 N THR A 291 O THR A 139 SHEET 1 B 2 SER A 188 GLN A 189 0 SHEET 2 B 2 SER A 199 PRO A 200 -1 O SER A 199 N GLN A 189 SHEET 1 C 2 GLU A 232 GLU A 233 0 SHEET 2 C 2 ARG A 242 MET A 243 -1 O ARG A 242 N GLU A 233 SHEET 1 D 2 VAL A 308 ILE A 309 0 SHEET 2 D 2 ALA A 331 THR A 332 1 O ALA A 331 N ILE A 309

SSBOND 1 CYS A 12 CYS A 24 1555 1555 2.00 SSBOND 2 CYS A 23 CYS A 293 1555 1555 2.00 SSBOND 3 CYS A 43 CYS A 129 1555 1555 2.04 SSBOND 4 CYS A 257 CYS A 322 1555 1555 2.01

LINK ND2 ASN A 143 C1 NAG A 348 1555 1555 1.45 LINK O4 NAG A 348 C1 NAG A 349 1555 1555 1.40 LINK FE HEM A 345 NE2 HIS A 184 1555 1555 2.13 LINK CA CA A 346 O ASP A 57 1555 1555 2.47 LINK CA CA A 346 OD1 ASP A 57 1555 1555 2.37 LINK CA CA A 346 OD1 ASP A 77 1555 1555 2.44 LINK CA CA A 346 OG SER A 79 1555 1555 2.42 LINK CA CA A 346 O HOH A 403 1555 1555 2.58 LINK CA CA A 346 O GLY A 75 1555 1555 2.52 LINK CA CA A 346 O HOH A 402 1555 1555 2.44 LINK CA CA A 347 OG SER A 185 1555 1555 2.54 LINK CA CA A 347 OD1 ASP A 202 1555 1555 2.67 LINK CA CA A 347 O SER A 185 1555 1555 2.40 LINK CA CA A 347 OD2 ASP A 202 1555 1555 2.41 LINK CA CA A 347 O THR A 204 1555 1555 2.42 LINK CA CA A 347 OG1 THR A 204 1555 1555 2.38 LINK CA CA A 347 O VAL A 207 1555 1555 2.50 LINK CA CA A 347 OD1 ASP A 209 1555 1555 2.50 LINK K K A 808 O HOH A 568 1555 1555 2.60 LINK K K A 808 O HOH A 568 1555 2665 2.60

SITE 1 CA1 7 CA A 346 ASP A 57 GLY A 75 ASP A 77 SITE 2 CA1 7 SER A 79 HOH A 402 HOH A 403 SITE 1 CA2 6 CA A 347 SER A 185 ASP A 202 THR A 204 SITE 2 CA2 6 VAL A 207 ASP A 209 SITE 1 GL1 3 NAG A 348 NAG A 349 ASN A 143 SITE 1 AC1 5 GLY A 111 PHE A 114 ASN A 143 NAG A 349 SITE 2 AC1 5 HOH A 366 SITE 1 AC2 3 ARG A 104 ILE A 108 NAG A 348 SITE 1 AC3 6 ASP A 57 GLY A 75 ASP A 77 SER A 79 SITE 2 AC3 6 HOH A 402 HOH A 403 SITE 1 AC4 5 SER A 185 ASP A 202 THR A 204 VAL A 207 SITE 2 AC4 5 ASP A 209 SITE 1 AC5 2 IOD A 802 IOD A 805 SITE 1 AC6 3 HEM A 345 IOD A 801 IOD A 803 SITE 1 AC7 4 ARG A 52 HIS A 56 HEM A 345 IOD A 802 SITE 1 AC8 2 GLY A 191 IOD A 805 SITE 1 AC9 3 IOD A 801 IOD A 804 IOD A 806 SITE 1 BC1 2 IOD A 805 IOD A 807 SITE 1 BC2 2 HOH A 537 IOD A 806 SITE 1 BC3 1 HOH A 568 SITE 1 BC4 24 ARG A 48 LEU A 51 ARG A 52 PHE A 55 SITE 2 BC4 24 GLY A 155 PRO A 156 LEU A 181 ALA A 183 SITE 3 BC4 24 HIS A 184 LEU A 186 ALA A 187 SER A 188 SITE 4 BC4 24 GLN A 189 GLU A 190 GLY A 191 LEU A 192 SITE 5 BC4 24 MET A 243 SER A 245 HOH A 356 HOH A 357 SITE 6 BC4 24 HOH A 381 HOH A 547 IOD A 802 IOD A 803

CRYST1 74.570 74.570 117.470 90.00 90.00 90.00 P 42 21 2 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 0.013410 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013410 0.000000 0.00000

SCALE3 0.000000 0.000000 0.008513 0.00000