2E3B - Header Asymmetric Unit

HEADER OXIDOREDUCTASE 22-NOV-06 2E3B

TITLE CRYSTAL STRUCTURE OF THE HA-BOUND FORM OF ARTHROMYCES RAMOSUS TITLE 2 PEROXIDASE AT 1.3 ANGSTROMS RESOLUTION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.11.1.7

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

KEYWDS HEME PROTEIN, COORDINATION GEOMETRY OF HEME IRON, ARP, PEROXIDASE, KEYWDS 2 OXIDOREDUCTASE

EXPDTA X-RAY DIFFRACTION

AUTHOR K.FUKUYAMA,T.OKADA

REVDAT 4 13-JUL-11 2E3B 1 VERSN REVDAT 3 24-FEB-09 2E3B 1 VERSN REVDAT 2 03-APR-07 2E3B 1 JRNL REVDAT 1 20-MAR-07 2E3B 0

JRNL AUTH K.FUKUYAMA,T.OKADA JRNL TITL STRUCTURES OF CYANIDE, NITRIC OXIDE AND HYDROXYLAMINE JRNL TITL 2 COMPLEXES OF ARTHROMYCES RAMOSUSPEROXIDASE AT 100 K REFINED JRNL TITL 3 TO 1.3 A RESOLUTION: COORDINATION GEOMETRIES OF THE LIGANDS JRNL TITL 4 TO THE HAEM IRON JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 63 472 2007 JRNL REFN ISSN 0907-4449 JRNL PMID 17372351 JRNL DOI 10.1107/S0907444907003812

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 A RESOLUTION. STRUCTURAL COMPARISONS WITH THE REMARK 1 TITL 3 LIGNIN AND CYTOCHROME C PEROXIDASES REMARK 1 REF J.MOL.BIOL. V. 235 331 1994 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 8289254 REMARK 1 DOI 10.1016/S0022-2836(05)80037-3

REMARK 2 REMARK 2 RESOLUTION. 1.30 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) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.148 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.141 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.900 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4276 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 72527 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.145 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.138 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.194 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.800 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 4000 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 68800 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 : 86 REMARK 3 SOLVENT ATOMS : 425 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2974.12 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1544.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 6 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 26873 REMARK 3 NUMBER OF RESTRAINTS : 32280 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 ANGLE DISTANCES (A) : 0.031 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.030 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.068 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.067 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.026 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.004 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.040 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.070 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2E3B COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-NOV-06. REMARK 100 THE RCSB ID CODE IS RCSB026171.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-MAY-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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) : 0.71 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 78980 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : 0.06800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 2.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.30 REMARK 200 R MERGE FOR SHELL (I) : 0.27900 REMARK 200 R SYM FOR SHELL (I) : 0.27900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 0.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.71 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 37% SATURATED AMMONIUM SULFATE, TRIS- REMARK 280 HCL, PH 7.5, MICRODIALYSIS, TEMPERATURE 297K

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 36.57500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 36.57500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 57.47000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 36.57500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 36.57500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 57.47000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 36.57500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 36.57500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 57.47000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 36.57500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 36.57500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 57.47000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER.

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 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 PHE A 114 CB - CG - CD2 ANGL. DEV. = -4.4 DEGREES REMARK 500 PHE A 114 CB - CG - CD1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 198 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 287 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 287 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ASP A 295 CB - CG - OD2 ANGL. DEV. = 6.3 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 ASN A 36 -73.10 -106.18 REMARK 500 CYS A 43 76.75 -112.81 REMARK 500 GLU A 44 -154.41 -132.92 REMARK 500 ALA A 76 49.99 -76.02 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 A1257 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH A1262 DISTANCE = 5.73 ANGSTROMS REMARK 525 HOH A1355 DISTANCE = 5.40 ANGSTROMS REMARK 525 HOH A1364 DISTANCE = 5.14 ANGSTROMS REMARK 525 HOH A1368 DISTANCE = 6.68 ANGSTROMS REMARK 525 HOH A1382 DISTANCE = 6.04 ANGSTROMS REMARK 525 HOH A1459 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A1462 DISTANCE = 5.15 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 401 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 184 NE2 REMARK 620 2 HEM A 401 NA 96.4 REMARK 620 3 HEM A 401 NB 93.5 88.8 REMARK 620 4 HEM A 401 NC 92.1 171.5 90.1 REMARK 620 5 HEM A 401 ND 91.1 90.1 175.4 90.3 REMARK 620 6 HOA A 503 N 175.0 83.1 81.6 88.4 93.9 REMARK 620 7 HOA A 503 O 155.8 103.5 100.5 68.4 75.4 27.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 57 O REMARK 620 2 ASP A 57 OD1 81.5 REMARK 620 3 GLY A 75 O 68.1 93.4 REMARK 620 4 ASP A 77 OD1 138.1 87.0 72.6 REMARK 620 5 SER A 79 OG 145.6 92.2 146.3 74.5 REMARK 620 6 HOH A1067 O 73.6 88.9 140.7 146.6 72.5 REMARK 620 7 HOH A1066 O 98.4 172.0 94.0 98.1 83.3 83.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 185 O REMARK 620 2 SER A 185 OG 72.2 REMARK 620 3 ASP A 202 OD2 92.1 77.3 REMARK 620 4 THR A 204 O 80.9 146.1 124.8 REMARK 620 5 THR A 204 OG1 147.2 140.6 93.9 69.2 REMARK 620 6 VAL A 207 O 86.1 81.5 158.2 76.4 99.3 REMARK 620 7 ASP A 209 OD1 141.7 70.7 88.7 128.5 70.8 79.5 REMARK 620 8 ASP A 202 OD1 80.1 119.0 50.2 74.8 79.2 149.6 126.8 REMARK 620 N 1 2 3 4 5 6 7

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MAN A 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HOA A 503

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ARP RELATED DB: PDB REMARK 900 LIGAND-FREE FORM OF THE SAME PROTEIN DETERMINED AT 1.9 A REMARK 900 RESOLUTION REMARK 900 RELATED ID: 2E39 RELATED DB: PDB REMARK 900 CN-BOUND FORM OF THE SAME PROTEIN DETERMINED AT 1.3 A REMARK 900 RESOLUTION REMARK 900 RELATED ID: 2E3A RELATED DB: PDB REMARK 900 NO-BOUND FORM OF THE SAME PROTEIN DETERMINED AT 1.3 A REMARK 900 RESOLUTION

DBREF 2E3B 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 2E3B ASN A 143 ASN GLYCOSYLATION SITE MODRES 2E3B SER A 339 SER GLYCOSYLATION SITE

HET NAG A 402 14 HET NAG A 403 14 HET MAN A 404 11 HET CA A 501 1 HET CA A 502 1 HET HEM A 401 43 HET HOA A 503 2

HETNAM NAG N-ACETYL-D-GLUCOSAMINE HETNAM MAN ALPHA-D-MANNOSE HETNAM CA CALCIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM HOA HYDROXYAMINE

HETSYN HEM HEME

FORMUL 2 NAG 2(C8 H15 N O6) FORMUL 3 MAN C6 H12 O6 FORMUL 4 CA 2(CA 2+) FORMUL 6 HEM C34 H32 FE N4 O4 FORMUL 7 HOA H3 N O FORMUL 8 HOH *425(H2 O)

HELIX 1 1 ASN A 20 GLN A 22 5 3 HELIX 2 2 CYS A 23 ASN A 36 1 14 HELIX 3 3 GLU A 44 ILE A 59 1 16 HELIX 4 4 SER A 62 ALA A 68 1 7 HELIX 5 5 GLY A 78 HIS A 83 1 6 HELIX 6 6 HIS A 83 LEU A 88 1 6 HELIX 7 7 ALA A 89 GLY A 94 5 6 HELIX 8 8 LEU A 96 GLY A 111 1 16 HELIX 9 9 SER A 113 ASN A 128 1 16 HELIX 10 10 THR A 159 GLY A 171 1 13 HELIX 11 11 SER A 173 LEU A 181 1 9 HELIX 12 12 ALA A 182 LEU A 186 5 5 HELIX 13 13 THR A 210 LEU A 217 1 8 HELIX 14 14 ARG A 244 ASP A 252 1 9 HELIX 15 15 THR A 255 THR A 263 1 9 HELIX 16 16 SER A 265 SER A 281 1 17 HELIX 17 17 ASP A 286 LEU A 290 5 5 HELIX 18 18 SER A 294 ILE A 297 5 4 HELIX 19 19 THR A 314 ILE A 318 5 5

SHEET 1 A 2 VAL A 10 THR A 11 0 SHEET 2 A 2 SER A 17 THR A 18 -1 O THR A 18 N VAL A 10 SHEET 1 B 2 LEU A 138 THR A 139 0 SHEET 2 B 2 THR A 291 ASP A 292 -1 O THR A 291 N THR A 139 SHEET 1 C 2 SER A 188 GLN A 189 0 SHEET 2 C 2 SER A 199 PRO A 200 -1 O SER A 199 N GLN A 189 SHEET 1 D 2 GLU A 232 GLU A 233 0 SHEET 2 D 2 ARG A 242 MET A 243 -1 O ARG A 242 N GLU A 233 SHEET 1 E 2 VAL A 308 ILE A 309 0 SHEET 2 E 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 2.02 SSBOND 2 CYS A 23 CYS A 293 1555 1555 2.03 SSBOND 3 CYS A 43 CYS A 129 1555 1555 2.03 SSBOND 4 CYS A 257 CYS A 322 1555 1555 2.04

LINK FE HEM A 401 NE2 HIS A 184 1555 1555 2.01 LINK C1 NAG A 402 ND2 ASN A 143 1555 1555 1.49 LINK O4 NAG A 402 C1 NAG A 403 1555 1555 1.41 LINK C1 MAN A 404 OG SER A 339 1555 1555 1.48 LINK FE HEM A 401 N HOA A 503 1555 1555 2.07 LINK CA CA A 501 O ASP A 57 1555 1555 2.45 LINK CA CA A 501 OD1 ASP A 57 1555 1555 2.31 LINK CA CA A 501 O GLY A 75 1555 1555 2.42 LINK CA CA A 501 OD1 ASP A 77 1555 1555 2.34 LINK CA CA A 501 OG SER A 79 1555 1555 2.42 LINK CA CA A 502 O SER A 185 1555 1555 2.40 LINK CA CA A 502 OG SER A 185 1555 1555 2.45 LINK CA CA A 502 OD2 ASP A 202 1555 1555 2.42 LINK CA CA A 502 O THR A 204 1555 1555 2.39 LINK CA CA A 502 OG1 THR A 204 1555 1555 2.47 LINK CA CA A 502 O VAL A 207 1555 1555 2.40 LINK CA CA A 502 OD1 ASP A 209 1555 1555 2.45 LINK FE HEM A 401 O HOA A 503 1555 1555 2.91 LINK CA CA A 501 O HOH A1067 1555 1555 2.45 LINK CA CA A 501 O HOH A1066 1555 1555 2.34 LINK CA CA A 502 OD1 ASP A 202 1555 1555 2.68

CISPEP 1 GLY A 335 PRO A 336 0 -2.32

SITE 1 AC1 8 GLY A 111 VAL A 112 PHE A 114 ASN A 143 SITE 2 AC1 8 NAG A 403 HOH A1024 HOH A1174 HOH A1215 SITE 1 AC2 6 ALA A 82 ARG A 104 ILE A 108 PHE A 114 SITE 2 AC2 6 NAG A 402 HOH A1140 SITE 1 AC3 8 SER A 339 LEU A 340 PRO A 342 HOH A1080 SITE 2 AC3 8 HOH A1195 HOH A1198 HOH A1268 HOH A1299 SITE 1 AC4 6 ASP A 57 GLY A 75 ASP A 77 SER A 79 SITE 2 AC4 6 HOH A1066 HOH A1067 SITE 1 AC5 5 SER A 185 ASP A 202 THR A 204 VAL A 207 SITE 2 AC5 5 ASP A 209 SITE 1 AC6 26 ARG A 48 LEU A 51 ARG A 52 PHE A 55 SITE 2 AC6 26 PRO A 154 GLY A 155 PRO A 156 LEU A 180 SITE 3 AC6 26 LEU A 181 ALA A 183 HIS A 184 LEU A 186 SITE 4 AC6 26 ALA A 187 SER A 188 GLN A 189 GLU A 190 SITE 5 AC6 26 GLY A 191 LEU A 192 MET A 243 SER A 245 SITE 6 AC6 26 MET A 277 HOA A 503 HOH A1007 HOH A1008 SITE 7 AC6 26 HOH A1039 HOH A1059 SITE 1 AC7 4 ARG A 52 PHE A 55 HIS A 56 HEM A 401

CRYST1 73.150 73.150 114.940 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 0.013671 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013671 0.000000 0.00000

SCALE3 0.000000 0.000000 0.008700 0.00000