1FHJ - Header Asymmetric Unit

HEADER OXYGEN STORAGE/TRANSPORT 01-AUG-00 1FHJ

TITLE CRYSTAL STRUCTURE OF AQUOMET HEMOGLOBIN-I OF THE MANED WOLF TITLE 2 (CHRYSOCYON BRACHYURUS) AT 2.0 RESOLUTION.

COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN (ALPHA CHAIN); COMPND 3 CHAIN: A, C; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: HEMOGLOBIN (BETA CHAIN); COMPND 6 CHAIN: B, D

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CHRYSOCYON BRACHYURUS; SOURCE 3 ORGANISM_COMMON: MANED WOLF; SOURCE 4 ORGANISM_TAXID: 68728; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: CHRYSOCYON BRACHYURUS; SOURCE 7 ORGANISM_COMMON: MANED WOLF; SOURCE 8 ORGANISM_TAXID: 68728

KEYWDS MANED WOLF, HEMOGLOBIN, METAHEMOGLOBIN, X-RAY DIFFRACTION, KEYWDS 2 OXYGEN STORAGE/TRANSPORT COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR V.FADEL,W.F.DE AZEVEDO

REVDAT 3 24-FEB-09 1FHJ 1 VERSN REVDAT 2 13-JAN-04 1FHJ 1 JRNL REVDAT 1 01-AUG-01 1FHJ 0

JRNL AUTH V.FADEL,F.CANDURI,J.R.OLIVIERI,A.L.SMARRA, JRNL AUTH 2 M.F.COLOMBO,G.O.BONILLA-RODRIGUEZ,W.F.DE AZEVEDO JRNL TITL CRYSTAL STRUCTURE OF HEMOGLOBIN FROM THE MANED JRNL TITL 2 WOLF (CHRYSOCYON BRACHYURUS) USING SYNCHROTRON JRNL TITL 3 RADIATION. JRNL REF PROTEIN PEPT.LETT. V. 10 551 2003 JRNL REFN ISSN 0929-8665 JRNL PMID 14683506

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.L.SMARRA,V.FADEL,M.DELLAMANO,J.R.OLIVIERI, REMARK 1 AUTH 2 W.F.DE AZEVEDO JR.,G.O.BONILLA-RODRIGUEZ REMARK 1 TITL CRYSTALLIZATION, PRELIMINARY X-RAY DIFFRACTION REMARK 1 TITL 2 ANALYSIS AND PATTERSON SEARCH OF OXYHEMOGLOBIN I REMARK 1 TITL 3 FROM THE WOLF (CHRYSOCYON BRACHIURUS) REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 55 1618 1999 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444999009725

REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.5 REMARK 3 NUMBER OF REFLECTIONS : 50039 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : FIXED RANDOMLY FOR X-PLOR REMARK 3 REFINEMENT AND FIXED THE REMARK 3 SAME REFLECTIONS FOR THE REMARK 3 REFMAC REFINEMENT. REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 10 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 : 4420 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 308 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.71 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.17 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.93 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: REFMAC WAS ALSO USED FOR REFINEMENT. REMARK 3 THE SIMULLATED ANNEALING METHOD (X-PLOR) AND MAXIMUM REMARK 3 LIKELIHOOD METHOD (REFMAC) WAS EMPLOYED. DATA WAS USED TO 1.8 REMARK 3 ANGSTROMS, BUT WITH LOW COMPLETENESS.

REMARK 4 REMARK 4 1FHJ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-AUG-00. REMARK 100 THE RCSB ID CODE IS RCSB011592.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-AUG-98 REMARK 200 TEMPERATURE (KELVIN) : 300 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LNLS REMARK 200 BEAMLINE : D03B-MX1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.37 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE 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 : 50240 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.864 REMARK 200 RESOLUTION RANGE LOW (A) : 72.548 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.1 REMARK 200 DATA REDUNDANCY : 2.620 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.86 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.7 REMARK 200 DATA REDUNDANCY IN SHELL : 2.38 REMARK 200 R MERGE FOR SHELL (I) : 0.58300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: HUMAN OXYHEMOGLOBIN PDB ID 1HHO REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 1500 30%, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 295K

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 27.09200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 66.72500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.86250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 66.72500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.09200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.86250 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 300 REMARK: THE ASYMMETRIC UNIT HAS A COMPLETE TETRAMER FORMED BY REMARK 300 TWO ALPHA CHAINS AND TWO BETA CHAINS.

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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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: 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 PRO A 50 CA - C - N ANGL. DEV. = 15.9 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 LEU A 2 89.33 69.52 REMARK 500 HIS B 2 -83.48 -111.24 REMARK 500 LEU B 3 79.86 68.97 REMARK 500 ALA B 5 -51.72 -23.10 REMARK 500 SER B 49 -46.87 -21.59 REMARK 500 LYS B 144 3.03 -65.66 REMARK 500 LEU C 2 94.04 88.57 REMARK 500 PRO C 50 -60.56 -26.13 REMARK 500 HIS D 2 -70.44 -106.34 REMARK 500 LEU D 3 88.32 62.00 REMARK 500 ASN D 80 51.12 -140.51 REMARK 500 LYS D 144 15.00 -68.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 VAL A 1 -11.77 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 155 DISTANCE = 6.60 ANGSTROMS REMARK 525 HOH D 162 DISTANCE = 9.32 ANGSTROMS REMARK 525 HOH B 165 DISTANCE = 9.40 ANGSTROMS REMARK 525 HOH D 165 DISTANCE = 5.84 ANGSTROMS REMARK 525 HOH B 169 DISTANCE = 8.37 ANGSTROMS REMARK 525 HOH B 170 DISTANCE = 8.72 ANGSTROMS REMARK 525 HOH D 170 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 166 DISTANCE = 6.91 ANGSTROMS REMARK 525 HOH B 171 DISTANCE = 7.52 ANGSTROMS REMARK 525 HOH D 171 DISTANCE = 8.74 ANGSTROMS REMARK 525 HOH C 167 DISTANCE = 5.12 ANGSTROMS REMARK 525 HOH C 168 DISTANCE = 8.01 ANGSTROMS REMARK 525 HOH D 176 DISTANCE = 11.99 ANGSTROMS REMARK 525 HOH B 177 DISTANCE = 8.46 ANGSTROMS REMARK 525 HOH D 177 DISTANCE = 11.38 ANGSTROMS REMARK 525 HOH A 173 DISTANCE = 5.02 ANGSTROMS REMARK 525 HOH C 173 DISTANCE = 7.95 ANGSTROMS REMARK 525 HOH D 179 DISTANCE = 12.83 ANGSTROMS REMARK 525 HOH B 180 DISTANCE = 5.07 ANGSTROMS REMARK 525 HOH C 176 DISTANCE = 7.54 ANGSTROMS REMARK 525 HOH A 180 DISTANCE = 8.94 ANGSTROMS REMARK 525 HOH D 185 DISTANCE = 10.15 ANGSTROMS REMARK 525 HOH A 181 DISTANCE = 6.98 ANGSTROMS REMARK 525 HOH D 187 DISTANCE = 7.14 ANGSTROMS REMARK 525 HOH B 189 DISTANCE = 6.83 ANGSTROMS REMARK 525 HOH C 186 DISTANCE = 5.79 ANGSTROMS REMARK 525 HOH B 193 DISTANCE = 5.00 ANGSTROMS REMARK 525 HOH C 189 DISTANCE = 5.60 ANGSTROMS REMARK 525 HOH D 195 DISTANCE = 7.45 ANGSTROMS REMARK 525 HOH B 197 DISTANCE = 8.91 ANGSTROMS REMARK 525 HOH C 192 DISTANCE = 5.20 ANGSTROMS REMARK 525 HOH C 193 DISTANCE = 8.28 ANGSTROMS REMARK 525 HOH D 199 DISTANCE = 5.63 ANGSTROMS REMARK 525 HOH D 200 DISTANCE = 5.46 ANGSTROMS REMARK 525 HOH B 201 DISTANCE = 8.11 ANGSTROMS REMARK 525 HOH C 196 DISTANCE = 5.13 ANGSTROMS REMARK 525 HOH D 201 DISTANCE = 5.60 ANGSTROMS REMARK 525 HOH B 202 DISTANCE = 6.61 ANGSTROMS REMARK 525 HOH C 198 DISTANCE = 10.51 ANGSTROMS REMARK 525 HOH B 204 DISTANCE = 6.73 ANGSTROMS REMARK 525 HOH C 199 DISTANCE = 5.03 ANGSTROMS REMARK 525 HOH B 205 DISTANCE = 8.67 ANGSTROMS REMARK 525 HOH B 206 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH B 207 DISTANCE = 9.63 ANGSTROMS REMARK 525 HOH D 207 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH C 203 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH D 208 DISTANCE = 8.58 ANGSTROMS REMARK 525 HOH A 204 DISTANCE = 5.74 ANGSTROMS REMARK 525 HOH C 204 DISTANCE = 5.31 ANGSTROMS REMARK 525 HOH D 209 DISTANCE = 7.90 ANGSTROMS REMARK 525 HOH B 210 DISTANCE = 5.29 ANGSTROMS REMARK 525 HOH D 210 DISTANCE = 6.41 ANGSTROMS REMARK 525 HOH A 206 DISTANCE = 5.79 ANGSTROMS REMARK 525 HOH B 211 DISTANCE = 5.14 ANGSTROMS REMARK 525 HOH C 207 DISTANCE = 11.30 ANGSTROMS REMARK 525 HOH D 212 DISTANCE = 5.36 ANGSTROMS REMARK 525 HOH C 208 DISTANCE = 5.62 ANGSTROMS REMARK 525 HOH A 209 DISTANCE = 5.67 ANGSTROMS REMARK 525 HOH C 209 DISTANCE = 5.30 ANGSTROMS REMARK 525 HOH B 215 DISTANCE = 5.50 ANGSTROMS REMARK 525 HOH D 215 DISTANCE = 7.65 ANGSTROMS REMARK 525 HOH C 211 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A 212 DISTANCE = 5.44 ANGSTROMS REMARK 525 HOH C 212 DISTANCE = 5.11 ANGSTROMS REMARK 525 HOH A 214 DISTANCE = 6.60 ANGSTROMS REMARK 525 HOH C 214 DISTANCE = 5.41 ANGSTROMS REMARK 525 HOH C 215 DISTANCE = 9.74 ANGSTROMS REMARK 525 HOH D 220 DISTANCE = 5.86 ANGSTROMS REMARK 525 HOH D 221 DISTANCE = 8.49 ANGSTROMS REMARK 525 HOH C 217 DISTANCE = 6.31 ANGSTROMS REMARK 525 HOH A 219 DISTANCE = 7.31 ANGSTROMS REMARK 525 HOH A 222 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH A 227 DISTANCE = 5.51 ANGSTROMS REMARK 525 HOH A 228 DISTANCE = 5.15 ANGSTROMS REMARK 525 HOH A 229 DISTANCE = 5.86 ANGSTROMS REMARK 525 HOH A 230 DISTANCE = 5.51 ANGSTROMS REMARK 525 HOH A 231 DISTANCE = 6.29 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 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HOH A 193 O 163.6 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 87 NE2 REMARK 620 2 HOH C 183 O 165.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D 147 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 92 NE2 REMARK 620 2 HOH D 190 O 163.9 REMARK 620 N 1

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 142 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 147

DBREF 1FHJ A 1 141 UNP P01952 HBA_CANFAX 1 141 DBREF 1FHJ B 1 146 UNP P02056 HBB_CANFAX 1 146 DBREF 1FHJ C 1 141 UNP P01952 HBA_CANFAX 1 141 DBREF 1FHJ D 1 146 UNP P02056 HBB_CANFAX 1 146

SEQADV 1FHJ THR A 130 UNP P01952 ALA 130 SEE REMARK 999 SEQADV 1FHJ THR C 130 UNP P01952 ALA 130 SEE REMARK 999

SEQRES 1 A 141 VAL LEU SER PRO ALA ASP LYS THR ASN ILE LYS SER THR SEQRES 2 A 141 TRP ASP LYS ILE GLY GLY HIS ALA GLY ASP TYR GLY GLY SEQRES 3 A 141 GLU ALA LEU ASP ARG THR PHE GLN SER PHE PRO THR THR SEQRES 4 A 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER PRO GLY SER SEQRES 5 A 141 ALA GLN VAL LYS ALA HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 A 141 LEU THR THR ALA VAL ALA HIS LEU ASP ASP LEU PRO GLY SEQRES 7 A 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA TYR LYS LEU SEQRES 8 A 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 A 141 LEU LEU VAL THR LEU ALA CYS HIS HIS PRO THR GLU PHE SEQRES 10 A 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE PHE THR SEQRES 11 A 141 ALA VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 B 146 VAL HIS LEU THR ALA GLU GLU LYS SER LEU VAL SER GLY SEQRES 2 B 146 LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU SEQRES 3 B 146 ALA LEU GLY ARG LEU LEU ILE VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG PHE PHE ASP SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 B 146 ALA VAL MET SER ASN ALA LYS VAL LYS ALA HIS GLY LYS SEQRES 6 B 146 LYS VAL LEU ASN SER PHE SER ASP GLY LEU LYS ASN LEU SEQRES 7 B 146 ASP ASN LEU LYS GLY THR PHE ALA LYS LEU SER GLU LEU SEQRES 8 B 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE LYS SEQRES 9 B 146 LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS SEQRES 10 B 146 PHE GLY LYS GLU PHE THR PRO GLN VAL GLN ALA ALA TYR SEQRES 11 B 146 GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS SEQRES 12 B 146 LYS TYR HIS SEQRES 1 C 141 VAL LEU SER PRO ALA ASP LYS THR ASN ILE LYS SER THR SEQRES 2 C 141 TRP ASP LYS ILE GLY GLY HIS ALA GLY ASP TYR GLY GLY SEQRES 3 C 141 GLU ALA LEU ASP ARG THR PHE GLN SER PHE PRO THR THR SEQRES 4 C 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER PRO GLY SER SEQRES 5 C 141 ALA GLN VAL LYS ALA HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 C 141 LEU THR THR ALA VAL ALA HIS LEU ASP ASP LEU PRO GLY SEQRES 7 C 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA TYR LYS LEU SEQRES 8 C 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 C 141 LEU LEU VAL THR LEU ALA CYS HIS HIS PRO THR GLU PHE SEQRES 10 C 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE PHE THR SEQRES 11 C 141 ALA VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 D 146 VAL HIS LEU THR ALA GLU GLU LYS SER LEU VAL SER GLY SEQRES 2 D 146 LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU SEQRES 3 D 146 ALA LEU GLY ARG LEU LEU ILE VAL TYR PRO TRP THR GLN SEQRES 4 D 146 ARG PHE PHE ASP SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 D 146 ALA VAL MET SER ASN ALA LYS VAL LYS ALA HIS GLY LYS SEQRES 6 D 146 LYS VAL LEU ASN SER PHE SER ASP GLY LEU LYS ASN LEU SEQRES 7 D 146 ASP ASN LEU LYS GLY THR PHE ALA LYS LEU SER GLU LEU SEQRES 8 D 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE LYS SEQRES 9 D 146 LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS SEQRES 10 D 146 PHE GLY LYS GLU PHE THR PRO GLN VAL GLN ALA ALA TYR SEQRES 11 D 146 GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS SEQRES 12 D 146 LYS TYR HIS

HET HEM A 142 43 HET HEM B 147 43 HET HEM C 142 43 HET HEM D 147 43

HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE

HETSYN HEM HEME

FORMUL 5 HEM 4(C34 H32 FE N4 O4) FORMUL 9 HOH *308(H2 O)

HELIX 1 1 SER A 3 GLY A 18 1 16 HELIX 2 2 HIS A 20 PHE A 36 1 17 HELIX 3 3 PRO A 37 PHE A 43 5 7 HELIX 4 4 SER A 52 HIS A 72 1 21 HELIX 5 5 ASP A 75 SER A 81 1 7 HELIX 6 6 LEU A 80 LYS A 90 1 11 HELIX 7 7 PRO A 95 HIS A 113 1 19 HELIX 8 8 THR A 118 THR A 137 1 20 HELIX 9 9 THR B 4 GLY B 16 1 13 HELIX 10 10 ASN B 19 TYR B 35 1 17 HELIX 11 11 PRO B 36 ASP B 43 5 8 HELIX 12 12 PHE B 42 GLY B 46 5 5 HELIX 13 13 THR B 50 ASN B 57 1 8 HELIX 14 14 ASN B 57 ASN B 77 1 21 HELIX 15 15 ASN B 80 PHE B 85 1 6 HELIX 16 16 PHE B 85 LYS B 95 1 11 HELIX 17 17 PRO B 100 GLY B 119 1 20 HELIX 18 18 LYS B 120 PHE B 122 5 3 HELIX 19 19 THR B 123 ALA B 142 1 20 HELIX 20 20 HIS B 143 HIS B 146 5 4 HELIX 21 21 SER C 3 GLY C 18 1 16 HELIX 22 22 HIS C 20 PHE C 36 1 17 HELIX 23 23 PRO C 37 PHE C 43 5 7 HELIX 24 24 SER C 52 HIS C 72 1 21 HELIX 25 25 ASP C 75 SER C 81 1 7 HELIX 26 26 LEU C 80 LYS C 90 1 11 HELIX 27 27 PRO C 95 HIS C 113 1 19 HELIX 28 28 THR C 118 SER C 138 1 21 HELIX 29 29 LYS C 139 ARG C 141 5 3 HELIX 30 30 THR D 4 GLY D 16 1 13 HELIX 31 31 ASN D 19 TYR D 35 1 17 HELIX 32 32 PRO D 36 ASP D 43 5 8 HELIX 33 33 PHE D 42 GLY D 46 5 5 HELIX 34 34 THR D 50 ASN D 57 1 8 HELIX 35 35 ASN D 57 ASN D 77 1 21 HELIX 36 36 ASN D 80 PHE D 85 1 6 HELIX 37 37 PHE D 85 LYS D 95 1 11 HELIX 38 38 PRO D 100 GLY D 119 1 20 HELIX 39 39 LYS D 120 PHE D 122 5 3 HELIX 40 40 THR D 123 ALA D 142 1 20 HELIX 41 41 HIS D 143 HIS D 146 5 4

LINK NE2 HIS A 87 FE HEM A 142 1555 1555 2.40 LINK NE2 HIS B 92 FE HEM B 147 1555 1555 2.17 LINK NE2 HIS C 87 FE HEM C 142 1555 1555 2.35 LINK NE2 HIS D 92 FE HEM D 147 1555 1555 2.13 LINK FE HEM A 142 O HOH A 193 1555 1555 2.76 LINK FE HEM C 142 O HOH C 183 1555 1555 2.95 LINK FE HEM D 147 O HOH D 190 1555 1555 2.98

SITE 1 AC1 13 TYR A 42 PHE A 43 HIS A 45 HIS A 58 SITE 2 AC1 13 LYS A 61 HIS A 87 LEU A 91 VAL A 93 SITE 3 AC1 13 ASN A 97 PHE A 98 LEU A 136 HOH A 191 SITE 4 AC1 13 HOH A 193 SITE 1 AC2 12 ALA B 5 PHE B 41 PHE B 42 HIS B 63 SITE 2 AC2 12 LYS B 66 SER B 70 HIS B 92 LEU B 96 SITE 3 AC2 12 VAL B 98 ASN B 102 LEU B 106 LEU B 141 SITE 1 AC3 13 TYR C 42 PHE C 43 HIS C 45 HIS C 58 SITE 2 AC3 13 LYS C 61 LEU C 83 HIS C 87 LEU C 91 SITE 3 AC3 13 VAL C 93 ASN C 97 PHE C 98 LEU C 136 SITE 4 AC3 13 HOH C 183 SITE 1 AC4 12 PHE D 41 LYS D 59 HIS D 63 LYS D 66 SITE 2 AC4 12 SER D 70 HIS D 92 LEU D 96 ASN D 102 SITE 3 AC4 12 PHE D 103 LEU D 106 LEU D 141 HOH D 190

CRYST1 54.184 87.725 133.450 90.00 90.00 90.00 P 21 21 21 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 0.018460 0.000000 0.000000 0.00000

SCALE2 0.000000 0.011400 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007490 0.00000