HEADER OXYGEN STORAGE/TRANSPORT 28-NOV-00 1G9V TITLE HIGH RESOLUTION CRYSTAL STRUCTURE OF DEOXY HEMOGLOBIN COMPLEXED WITH A TITLE 2 POTENT ALLOSTERIC EFFECTOR 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: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 TISSUE: BLOOD; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_COMMON: HUMAN; SOURCE 9 ORGANISM_TAXID: 9606; SOURCE 10 TISSUE: BLOOD KEYWDS HEMOGLOBIN TETRAMER, T STATE, ALLOSTERIC, OXYGEN STORAGE-TRANSPORT KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.K.SAFO,C.M.MOURE,J.C.BURNETT,G.S.JOSHI,D.J.ABRAHAM REVDAT 5 09-AUG-23 1G9V 1 REMARK LINK REVDAT 4 04-OCT-17 1G9V 1 REMARK REVDAT 3 24-FEB-09 1G9V 1 VERSN REVDAT 2 09-MAY-01 1G9V 1 JRNL REVDAT 1 06-DEC-00 1G9V 0 JRNL AUTH M.K.SAFO,C.M.MOURE,J.C.BURNETT,G.S.JOSHI,D.J.ABRAHAM JRNL TITL HIGH-RESOLUTION CRYSTAL STRUCTURE OF DEOXY HEMOGLOBIN JRNL TITL 2 COMPLEXED WITH A POTENT ALLOSTERIC EFFECTOR. JRNL REF PROTEIN SCI. V. 10 951 2001 JRNL REFN ISSN 0961-8368 JRNL PMID 11316875 JRNL DOI 10.1110/PS.50601 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 44139 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2207 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.93 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3280 REMARK 3 BIN FREE R VALUE : 0.3480 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 486 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 : 4384 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 232 REMARK 3 SOLVENT ATOMS : 260 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.26 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.20 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) : 0.21 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) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.670 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.430 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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: ANOMALOUS DATA USED FOR REFINEMENT. REMARK 3 BULK SOLVENT CORRECTION USED DURING REFINEMENT. REMARK 4 REMARK 4 1G9V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-00. REMARK 100 THE DEPOSITION ID IS D_1000012414. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-AUG-97 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.5 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MSC MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : CCP4 (AGROVATA, ROTAVATA, REMARK 200 TRUNCATE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44139 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 55.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.7 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.27100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 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: PDB ENTRY 1HHB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, AMMONIUM PHOSPHATE, REMARK 280 FERROUS CITRATE, PH 6.5, LIQUID DIFFUSION, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 41.78000 REMARK 290 SMTRY3 2 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: BIOLOGICAL ASSEMBLY IS A TETRAMER IN THE ASYMMETRIC UNIT 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 ARG D 630 NE - CZ - NH2 ANGL. DEV. = -3.3 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 B 280 56.74 -150.53 REMARK 500 ASP C 475 41.78 -152.10 REMARK 500 LEU C 513 66.50 -119.33 REMARK 500 ASN D 680 53.32 -145.20 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 143 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 143 NA 97.5 REMARK 620 3 HEM A 143 NB 97.8 86.7 REMARK 620 4 HEM A 143 NC 105.2 157.3 88.9 REMARK 620 5 HEM A 143 ND 105.3 88.8 156.9 86.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 348 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 292 NE2 REMARK 620 2 HEM B 348 NA 91.9 REMARK 620 3 HEM B 348 NB 98.9 87.8 REMARK 620 4 HEM B 348 NC 105.9 162.1 90.6 REMARK 620 5 HEM B 348 ND 95.9 89.1 165.0 87.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 543 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 487 NE2 REMARK 620 2 HEM C 543 NA 93.0 REMARK 620 3 HEM C 543 NB 95.2 87.4 REMARK 620 4 HEM C 543 NC 104.8 162.2 91.8 REMARK 620 5 HEM C 543 ND 104.2 87.8 160.2 87.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D 748 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 692 NE2 REMARK 620 2 HEM D 748 NA 94.3 REMARK 620 3 HEM D 748 NB 96.2 87.3 REMARK 620 4 HEM D 748 NC 103.1 162.6 90.3 REMARK 620 5 HEM D 748 ND 100.4 88.6 163.2 88.8 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 1200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 D 1300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 143 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 348 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 543 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 748 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RQ3 A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RQ3 C 802 DBREF 1G9V A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 1G9V C 401 541 UNP P69905 HBA_HUMAN 1 141 DBREF 1G9V B 201 346 UNP P68871 HBB_HUMAN 1 146 DBREF 1G9V D 601 746 UNP P68871 HBB_HUMAN 1 146 SEQRES 1 A 141 VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 A 141 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 A 141 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 A 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 A 141 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 A 141 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 A 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS 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 ALA HIS LEU PRO ALA GLU PHE SEQRES 10 A 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 A 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 B 146 VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA 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 VAL VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 B 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 B 146 LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU SEQRES 7 B 146 ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU SEQRES 8 B 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG 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 PRO 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 VAL LYS ALA ALA SEQRES 2 C 141 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 C 141 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 C 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 C 141 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 C 141 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 C 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS 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 ALA HIS LEU PRO ALA GLU PHE SEQRES 10 C 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 C 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 D 146 VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA 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 VAL VAL TYR PRO TRP THR GLN SEQRES 4 D 146 ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 D 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 D 146 LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU SEQRES 7 D 146 ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU SEQRES 8 D 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG 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 PRO 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 143 43 HET RQ3 A 801 25 HET SO4 B1200 5 HET HEM B 348 43 HET HEM C 543 43 HET RQ3 C 802 25 HET SO4 D1300 5 HET HEM D 748 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM RQ3 2-{4-[(3,5-DIMETHYLANILINO)-CARBONYL-METHYL]-PHENOXY}- HETNAM 2 RQ3 2-METHYLPROPIONIC ACID HETNAM SO4 SULFATE ION HETSYN HEM HEME FORMUL 5 HEM 4(C34 H32 FE N4 O4) FORMUL 6 RQ3 2(C20 H23 N O4) FORMUL 7 SO4 2(O4 S 2-) FORMUL 13 HOH *260(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 LEU A 80 1 6 HELIX 6 6 LEU A 80 LYS A 90 1 11 HELIX 7 7 PRO A 95 LEU A 113 1 19 HELIX 8 8 THR A 118 SER A 138 1 21 HELIX 9 9 THR B 204 GLY B 216 1 13 HELIX 10 10 ASN B 219 TYR B 235 1 17 HELIX 11 11 PRO B 236 GLU B 243 5 8 HELIX 12 12 PHE B 242 GLY B 246 5 5 HELIX 13 13 THR B 250 ASN B 257 1 8 HELIX 14 14 ASN B 257 LEU B 275 1 19 HELIX 15 15 ALA B 276 LEU B 278 5 3 HELIX 16 16 ASN B 280 LYS B 295 1 16 HELIX 17 17 PRO B 300 GLY B 319 1 20 HELIX 18 18 LYS B 320 PHE B 322 5 3 HELIX 19 19 THR B 323 HIS B 343 1 21 HELIX 20 20 SER C 403 GLY C 418 1 16 HELIX 21 21 HIS C 420 PHE C 436 1 17 HELIX 22 22 PRO C 437 PHE C 443 5 7 HELIX 23 23 SER C 452 HIS C 472 1 21 HELIX 24 24 ASP C 475 LEU C 480 1 6 HELIX 25 25 LEU C 480 LYS C 490 1 11 HELIX 26 26 PRO C 495 LEU C 513 1 19 HELIX 27 27 THR C 518 SER C 538 1 21 HELIX 28 28 THR D 604 GLY D 616 1 13 HELIX 29 29 ASN D 619 TYR D 635 1 17 HELIX 30 30 PRO D 636 PHE D 642 5 7 HELIX 31 31 PHE D 642 GLY D 646 5 5 HELIX 32 32 THR D 650 ASN D 657 1 8 HELIX 33 33 ASN D 657 ALA D 676 1 20 HELIX 34 34 ASN D 680 LYS D 695 1 16 HELIX 35 35 PRO D 700 GLY D 719 1 20 HELIX 36 36 LYS D 720 PHE D 722 5 3 HELIX 37 37 THR D 723 HIS D 743 1 21 LINK NE2 HIS A 87 FE HEM A 143 1555 1555 2.14 LINK NE2 HIS B 292 FE HEM B 348 1555 1555 2.18 LINK NE2 HIS C 487 FE HEM C 543 1555 1555 2.18 LINK NE2 HIS D 692 FE HEM D 748 1555 1555 2.06 SITE 1 AC1 7 VAL B 201 LEU B 278 ASP B 279 ASN B 280 SITE 2 AC1 7 LEU B 281 LYS B 282 HOH B 945 SITE 1 AC2 7 VAL D 601 LEU D 678 ASP D 679 ASN D 680 SITE 2 AC2 7 LEU D 681 LYS D 682 HOH D1029 SITE 1 AC3 16 TYR A 42 PHE A 43 HIS A 45 HIS A 58 SITE 2 AC3 16 LYS A 61 LEU A 83 LEU A 86 HIS A 87 SITE 3 AC3 16 LEU A 91 VAL A 93 ASN A 97 PHE A 98 SITE 4 AC3 16 LEU A 101 LEU A 136 HOH A 930 HOH A1116 SITE 1 AC4 15 ALA A 53 HOH A1089 PHE B 241 HIS B 263 SITE 2 AC4 15 LYS B 266 VAL B 267 LEU B 291 HIS B 292 SITE 3 AC4 15 LEU B 296 ASN B 302 LEU B 306 LEU B 341 SITE 4 AC4 15 HOH B1036 HOH B1095 HOH B1149 SITE 1 AC5 14 TYR C 442 PHE C 443 HIS C 445 HIS C 458 SITE 2 AC5 14 LYS C 461 LEU C 486 HIS C 487 LEU C 491 SITE 3 AC5 14 VAL C 493 ASN C 497 PHE C 498 LEU C 501 SITE 4 AC5 14 LEU C 536 HOH C1017 SITE 1 AC6 10 PHE D 642 HIS D 663 VAL D 667 HIS D 692 SITE 2 AC6 10 LEU D 696 ASN D 702 LEU D 706 LEU D 741 SITE 3 AC6 10 HOH D1076 HOH D1085 SITE 1 AC7 9 LYS A 99 LEU A 100 HOH A 916 TYR B 235 SITE 2 AC7 9 ASN B 308 PRO C 495 THR C 537 ARG C 541 SITE 3 AC7 9 HOH C 927 SITE 1 AC8 8 PRO A 95 THR A 137 ARG A 141 HOH A1001 SITE 2 AC8 8 PHE C 436 LYS C 499 LEU C 500 ASN D 708 CRYST1 63.200 83.560 53.860 90.00 99.16 90.00 P 1 21 1 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 0.015823 0.000000 0.002551 0.00000 SCALE2 0.000000 0.011967 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018806 0.00000