HEADER TRANSPORT PROTEIN 01-DEC-98 1B2V TITLE HEME-BINDING PROTEIN A COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (HEME-BINDING PROTEIN A); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HASA; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS; SOURCE 3 ORGANISM_TAXID: 615; SOURCE 4 CELLULAR_LOCATION: EXTRACELLULAR; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HEME ACQUISITION, IRON METABOLISM, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.ARNOUX,R.HASER,N.IZADI,A.LECROISEY,N.C.WANDERSMA,M.CZJZEK REVDAT 5 27-DEC-23 1B2V 1 REMARK LINK REVDAT 4 12-NOV-14 1B2V 1 JRNL LINK VERSN REMARK REVDAT 3 24-FEB-09 1B2V 1 VERSN REVDAT 2 01-APR-03 1B2V 1 JRNL REVDAT 1 24-JUN-99 1B2V 0 JRNL AUTH P.ARNOUX,R.HASER,N.IZADI,A.LECROISEY,M.DELEPIERRE, JRNL AUTH 2 C.WANDERSMAN,M.CZJZEK JRNL TITL THE CRYSTAL STRUCTURE OF HASA, A HEMOPHORE SECRETED BY JRNL TITL 2 SERRATIA MARCESCENS. JRNL REF NAT.STRUCT.BIOL. V. 6 516 1999 JRNL REFN ISSN 1072-8368 JRNL PMID 10360351 JRNL DOI 10.1038/9281 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.LETOFFE,J.M.GHIGO,C.WANDERSMAN REMARK 1 TITL IRON ACQUISITION FROM HEME AND HEMOGLOBIN BY A SERRATIA REMARK 1 TITL 2 MARCESCENS EXTRACELLULAR PROTEIN. REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 91 9876 1994 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 7937909 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 3 NUMBER OF REFLECTIONS : 15496 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 + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 775 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1256 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 176 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.96 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.60 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.180 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.150 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.120 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.490 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.014 ; NULL REMARK 3 ANGLE DISTANCE (A) : 2.370 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: ALTERNATIVE CONFORMATION FOR THE B TYPE REMARK 3 HEME REMARK 4 REMARK 4 1B2V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-DEC-98. REMARK 100 THE DEPOSITION ID IS D_1000000192. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-98 REMARK 200 TEMPERATURE (KELVIN) : 288.0 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE CRYSTAL 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 : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61510 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 7.90000 REMARK 200 FOR THE DATA SET : 13.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.2 REMARK 200 DATA REDUNDANCY IN SHELL : 1.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 29.0000 REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS 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 (%): 55.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M CACL, 0.1M NA ACETATE PH 4.6, 20% REMARK 280 ISOPRPANOL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 X+1/2,Y+1/2,Z 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 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 1.000000 0.000000 0.000000 20.82500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.33000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 20.82500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 40.33000 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 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 MET A 1 REMARK 465 VAL A 175 REMARK 465 GLY A 176 REMARK 465 VAL A 177 REMARK 465 GLN A 178 REMARK 465 HIS A 179 REMARK 465 ALA A 180 REMARK 465 ASP A 181 REMARK 465 SER A 182 REMARK 465 PRO A 183 REMARK 465 GLU A 184 REMARK 465 LEU A 185 REMARK 465 LEU A 186 REMARK 465 ALA A 187 REMARK 465 ALA A 188 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 DISTANCE REMARK 500 O HOH A 379 O HOH A 481 1.82 REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 8 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP A 29 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP A 29 CB - CG - OD2 ANGL. DEV. = -5.9 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 GLN A 63 -1.19 68.02 REMARK 500 LEU A 77 -109.67 51.21 REMARK 500 ASP A 102 -81.52 -119.36 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 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 32 NE2 REMARK 620 2 HEM A 200 NA 90.2 REMARK 620 3 HEM A 200 NB 86.8 89.6 REMARK 620 4 HEM A 200 NC 89.5 178.2 88.6 REMARK 620 5 HEM A 200 ND 92.9 90.4 179.7 91.4 REMARK 620 6 TYR A 75 OH 179.4 90.4 93.3 89.9 87.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 199 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 34 OD1 REMARK 620 2 GLY A 159 O 171.6 REMARK 620 3 HEM A 200 O1A 85.3 102.1 REMARK 620 4 HEM A 200 O2A 90.0 91.9 48.9 REMARK 620 5 HEM A 200 O1D 85.2 102.2 0.2 49.0 REMARK 620 6 HEM A 200 O2D 89.9 92.0 48.8 0.1 48.9 REMARK 620 7 HOH A 406 O 82.7 89.7 126.7 79.3 126.8 79.4 REMARK 620 8 HOH A 407 O 98.5 87.2 76.9 124.3 76.8 124.2 156.3 REMARK 620 9 HOH A 408 O 83.1 92.1 150.0 158.0 149.8 158.0 79.1 77.5 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: HEM REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: HEME LIGANDS REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 199 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 200 DBREF 1B2V A 1 188 UNP Q54450 HASA_SERMA 1 188 SEQRES 1 A 188 MET ALA PHE SER VAL ASN TYR ASP SER SER PHE GLY GLY SEQRES 2 A 188 TYR SER ILE HIS ASP TYR LEU GLY GLN TRP ALA SER THR SEQRES 3 A 188 PHE GLY ASP VAL ASN HIS THR ASN GLY ASN VAL THR ASP SEQRES 4 A 188 ALA ASN SER GLY GLY PHE TYR GLY GLY SER LEU SER GLY SEQRES 5 A 188 SER GLN TYR ALA ILE SER SER THR ALA ASN GLN VAL THR SEQRES 6 A 188 ALA PHE VAL ALA GLY GLY ASN LEU THR TYR THR LEU PHE SEQRES 7 A 188 ASN GLU PRO ALA HIS THR LEU TYR GLY GLN LEU ASP SER SEQRES 8 A 188 LEU SER PHE GLY ASP GLY LEU SER GLY GLY ASP THR SER SEQRES 9 A 188 PRO TYR SER ILE GLN VAL PRO ASP VAL SER PHE GLY GLY SEQRES 10 A 188 LEU ASN LEU SER SER LEU GLN ALA GLN GLY HIS ASP GLY SEQRES 11 A 188 VAL VAL HIS GLN VAL VAL TYR GLY LEU MET SER GLY ASP SEQRES 12 A 188 THR GLY ALA LEU GLU THR ALA LEU ASN GLY ILE LEU ASP SEQRES 13 A 188 ASP TYR GLY LEU SER VAL ASN SER THR PHE ASP GLN VAL SEQRES 14 A 188 ALA ALA ALA THR ALA VAL GLY VAL GLN HIS ALA ASP SER SEQRES 15 A 188 PRO GLU LEU LEU ALA ALA HET CA A 199 1 HET HEM A 200 85 HETNAM CA CALCIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 CA CA 2+ FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 HOH *176(H2 O) HELIX 1 1 SER A 9 PHE A 11 5 3 HELIX 2 2 ILE A 16 PHE A 27 1 12 HELIX 3 3 ASP A 39 ASN A 41 5 3 HELIX 4 4 GLN A 124 ASP A 129 5 6 HELIX 5 5 VAL A 131 SER A 141 1 11 HELIX 6 6 GLY A 145 TYR A 158 1 14 HELIX 7 7 PHE A 166 ALA A 172 1 7 SHEET 1 A 6 SER A 4 TYR A 7 0 SHEET 2 A 6 VAL A 110 GLY A 116 0 SHEET 3 A 6 LEU A 85 ASP A 96 -1 N ASP A 96 O VAL A 110 SHEET 4 A 6 THR A 65 TYR A 75 -1 N THR A 74 O TYR A 86 SHEET 5 A 6 GLN A 54 SER A 58 -1 N ILE A 57 O PHE A 67 SHEET 6 A 6 GLY A 44 TYR A 46 -1 N TYR A 46 O GLN A 54 SHEET 1 B 2 GLY A 87 LEU A 89 0 SHEET 2 B 2 LEU A 120 SER A 122 0 LINK NE2 HIS A 32 FE HEM A 200 1555 1555 2.26 LINK OD1 ASN A 34 CA CA A 199 1555 1555 2.49 LINK OH TYR A 75 FE HEM A 200 1555 1555 1.95 LINK O GLY A 159 CA CA A 199 3455 1555 2.42 LINK CA CA A 199 O1ABHEM A 200 1555 1555 2.80 LINK CA CA A 199 O2ABHEM A 200 1555 1555 2.61 LINK CA CA A 199 O1DAHEM A 200 1555 1555 2.80 LINK CA CA A 199 O2DAHEM A 200 1555 1555 2.59 LINK CA CA A 199 O HOH A 406 1555 3455 2.48 LINK CA CA A 199 O HOH A 407 1555 3455 2.57 LINK CA CA A 199 O HOH A 408 1555 3455 2.44 CISPEP 1 GLU A 80 PRO A 81 0 -14.94 SITE 1 HEM 2 HIS A 32 TYR A 75 SITE 1 AC1 6 ASN A 34 GLY A 159 HEM A 200 HOH A 406 SITE 2 AC1 6 HOH A 407 HOH A 408 SITE 1 AC2 19 HIS A 32 THR A 33 ASN A 34 GLY A 35 SITE 2 AC2 19 SER A 42 PHE A 45 TYR A 55 TYR A 75 SITE 3 AC2 19 HIS A 83 THR A 84 LEU A 85 HIS A 133 SITE 4 AC2 19 TYR A 137 GLY A 159 ALA A 171 CA A 199 SITE 5 AC2 19 HOH A 334 HOH A 337 HOH A 438 CRYST1 41.650 80.660 63.230 90.00 93.58 90.00 C 1 2 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 0.024010 0.000000 0.001502 0.00000 SCALE2 0.000000 0.012398 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015846 0.00000