HEADER TRANSPORT PROTEIN 06-DEC-99 1DK0 TITLE CRYSTAL STRUCTURE OF THE HEMOPHORE HASA FROM SERRATIA MARCESCENS TITLE 2 CRYSTAL FORM P2(1), PH8 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEME-BINDING PROTEIN A; COMPND 3 CHAIN: A, B; 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PROTEIN-HEME COMPLEX; TWO HEME INSERTIONS, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.ARNOUX,R.HASER,N.IZADI-PRUNEYRE,A.LECROISEY,M.CZJZEK REVDAT 3 07-FEB-24 1DK0 1 REMARK LINK REVDAT 2 24-FEB-09 1DK0 1 VERSN REVDAT 1 27-DEC-00 1DK0 0 JRNL AUTH P.ARNOUX,R.HASER,N.IZADI-PRUNEYRE,A.LECROISEY,M.CZJZEK JRNL TITL FUNCTIONAL ASPECTS OF THE HEME BOUND HEMOPHORE HASA BY JRNL TITL 2 STRUCTURAL ANALYSIS OF VARIOUS CRYSTAL FORMS. JRNL REF PROTEINS V. 41 202 2000 JRNL REFN ISSN 0887-3585 JRNL PMID 10966573 JRNL DOI 10.1002/1097-0134(20001101)41:2<202::AID-PROT50>3.0.CO;2-8 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.ARNOUX,R.HASER,N.IZADI,A.LECROISEY,M.DELEPIERRE, REMARK 1 AUTH 2 C.WANDERSMAN,M.CZJZEK REMARK 1 TITL THE CRYSTAL STRUCTURE OF HASA, A HEMOPHORE SECRETED BY REMARK 1 TITL 2 SERRATIA MARCESCENS REMARK 1 REF NAT.STRUCT.BIOL. V. 6 516 1999 REMARK 1 REFN ISSN 1072-8368 REMARK 1 DOI 10.1038/9281 REMARK 2 REMARK 2 RESOLUTION. 1.77 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) : 1.77 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 29490 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : 5% RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.175 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1569 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2512 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 222 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.70 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.018 ; NULL REMARK 3 ANGLE DISTANCE (A) : 2.400 ; 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: NULL REMARK 4 REMARK 4 1DK0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-DEC-99. REMARK 100 THE DEPOSITION ID IS D_1000010145. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-FEB-99 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 8.0 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 : 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 : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31089 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.770 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 (%) : 94.4 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.06300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.77 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.82 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.37100 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: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M NAHEPES, PH8.0, 1.4M NAKTARTRATE, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 33.10500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 300 BIOLOGICAL ASSEMBLY IS A MONOMER. THE OTHER MONOMER REMARK 300 IN THE AU PROBABLY DOES NOT HAVE BIOLOGICAL SIGNIFICANCE. 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 465 MET B 1 REMARK 465 VAL B 175 REMARK 465 GLY B 176 REMARK 465 VAL B 177 REMARK 465 GLN B 178 REMARK 465 HIS B 179 REMARK 465 ALA B 180 REMARK 465 ASP B 181 REMARK 465 SER B 182 REMARK 465 PRO B 183 REMARK 465 GLU B 184 REMARK 465 LEU B 185 REMARK 465 LEU B 186 REMARK 465 ALA B 187 REMARK 465 ALA B 188 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 143 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP B 29 CB - CG - OD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 TYR B 46 CB - CG - CD1 ANGL. DEV. = -4.9 DEGREES REMARK 500 LEU B 118 CB - CG - CD1 ANGL. DEV. = 10.4 DEGREES REMARK 500 ASP B 156 CB - CG - OD2 ANGL. DEV. = -5.8 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 34 125.31 -38.49 REMARK 500 ASN A 36 16.57 -140.89 REMARK 500 LEU A 77 -105.85 49.96 REMARK 500 ASP A 102 -73.00 -113.25 REMARK 500 ASN B 36 10.77 -145.96 REMARK 500 VAL B 64 -43.25 -130.02 REMARK 500 LEU B 77 -105.42 47.38 REMARK 500 ASP B 102 -74.79 -116.16 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 90.9 REMARK 620 3 HEM A 200 NB 89.6 90.5 REMARK 620 4 HEM A 200 NC 89.3 179.7 89.2 REMARK 620 5 HEM A 200 ND 90.6 90.9 178.6 89.4 REMARK 620 6 TYR A 75 OH 177.7 89.1 92.7 90.7 87.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 32 NE2 REMARK 620 2 HEM B 200 NA 85.3 REMARK 620 3 HEM B 200 NB 88.3 88.1 REMARK 620 4 HEM B 200 NC 94.5 179.3 91.2 REMARK 620 5 HEM B 200 ND 91.1 89.9 177.9 90.8 REMARK 620 6 TYR B 75 OH 174.7 89.4 91.4 90.8 89.1 REMARK 620 N 1 2 3 4 5 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 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 200 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1B2V RELATED DB: PDB REMARK 900 HASA, PH4.6 REMARK 900 RELATED ID: 1DKH RELATED DB: PDB REMARK 900 HASA, PH6.5 DBREF 1DK0 A 1 188 UNP Q54450 HASA_SERMA 1 188 DBREF 1DK0 B 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 SEQRES 1 B 188 MET ALA PHE SER VAL ASN TYR ASP SER SER PHE GLY GLY SEQRES 2 B 188 TYR SER ILE HIS ASP TYR LEU GLY GLN TRP ALA SER THR SEQRES 3 B 188 PHE GLY ASP VAL ASN HIS THR ASN GLY ASN VAL THR ASP SEQRES 4 B 188 ALA ASN SER GLY GLY PHE TYR GLY GLY SER LEU SER GLY SEQRES 5 B 188 SER GLN TYR ALA ILE SER SER THR ALA ASN GLN VAL THR SEQRES 6 B 188 ALA PHE VAL ALA GLY GLY ASN LEU THR TYR THR LEU PHE SEQRES 7 B 188 ASN GLU PRO ALA HIS THR LEU TYR GLY GLN LEU ASP SER SEQRES 8 B 188 LEU SER PHE GLY ASP GLY LEU SER GLY GLY ASP THR SER SEQRES 9 B 188 PRO TYR SER ILE GLN VAL PRO ASP VAL SER PHE GLY GLY SEQRES 10 B 188 LEU ASN LEU SER SER LEU GLN ALA GLN GLY HIS ASP GLY SEQRES 11 B 188 VAL VAL HIS GLN VAL VAL TYR GLY LEU MET SER GLY ASP SEQRES 12 B 188 THR GLY ALA LEU GLU THR ALA LEU ASN GLY ILE LEU ASP SEQRES 13 B 188 ASP TYR GLY LEU SER VAL ASN SER THR PHE ASP GLN VAL SEQRES 14 B 188 ALA ALA ALA THR ALA VAL GLY VAL GLN HIS ALA ASP SER SEQRES 15 B 188 PRO GLU LEU LEU ALA ALA HET HEM A 200 43 HET HEM B 200 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 HOH *222(H2 O) HELIX 1 1 SER A 9 GLY A 12 5 4 HELIX 2 2 SER A 15 GLY A 28 1 14 HELIX 3 3 THR A 38 SER A 42 5 5 HELIX 4 4 LEU A 123 GLY A 127 5 5 HELIX 5 5 GLN A 126 ASP A 129 5 4 HELIX 6 6 GLY A 130 SER A 141 1 12 HELIX 7 7 THR A 144 ASP A 156 1 13 HELIX 8 8 ASP A 157 GLY A 159 5 3 HELIX 9 9 THR A 165 ALA A 174 1 10 HELIX 10 10 SER B 9 GLY B 12 5 4 HELIX 11 11 SER B 15 GLY B 28 1 14 HELIX 12 12 THR B 38 SER B 42 5 5 HELIX 13 13 LEU B 123 GLY B 127 5 5 HELIX 14 14 GLN B 126 ASP B 129 5 4 HELIX 15 15 GLY B 130 SER B 141 1 12 HELIX 16 16 THR B 144 ASP B 156 1 13 HELIX 17 17 ASP B 157 GLY B 159 5 3 HELIX 18 18 THR B 165 ALA B 174 1 10 SHEET 1 A 6 GLY A 44 TYR A 46 0 SHEET 2 A 6 SER A 51 SER A 58 -1 N SER A 53 O TYR A 46 SHEET 3 A 6 THR A 65 TYR A 75 -1 N PHE A 67 O ILE A 57 SHEET 4 A 6 LEU A 85 SER A 99 -1 N TYR A 86 O THR A 74 SHEET 5 A 6 SER A 107 GLY A 116 -1 O SER A 107 N SER A 99 SHEET 6 A 6 SER A 4 TYR A 7 -1 N SER A 4 O GLY A 116 SHEET 1 A1 5 GLY A 44 TYR A 46 0 SHEET 2 A1 5 SER A 51 SER A 58 -1 N SER A 53 O TYR A 46 SHEET 3 A1 5 THR A 65 TYR A 75 -1 N PHE A 67 O ILE A 57 SHEET 4 A1 5 LEU A 85 SER A 99 -1 N TYR A 86 O THR A 74 SHEET 5 A1 5 LEU A 120 SER A 122 -1 O LEU A 120 N LEU A 89 SHEET 1 B 6 GLY B 44 TYR B 46 0 SHEET 2 B 6 SER B 51 SER B 58 -1 N SER B 53 O TYR B 46 SHEET 3 B 6 THR B 65 TYR B 75 -1 N PHE B 67 O ILE B 57 SHEET 4 B 6 LEU B 85 SER B 99 -1 N TYR B 86 O THR B 74 SHEET 5 B 6 SER B 107 GLY B 116 -1 O SER B 107 N SER B 99 SHEET 6 B 6 SER B 4 TYR B 7 -1 O SER B 4 N GLY B 116 SHEET 1 B1 5 GLY B 44 TYR B 46 0 SHEET 2 B1 5 SER B 51 SER B 58 -1 N SER B 53 O TYR B 46 SHEET 3 B1 5 THR B 65 TYR B 75 -1 N PHE B 67 O ILE B 57 SHEET 4 B1 5 LEU B 85 SER B 99 -1 N TYR B 86 O THR B 74 SHEET 5 B1 5 LEU B 120 SER B 122 -1 O LEU B 120 N LEU B 89 LINK NE2 HIS A 32 FE HEM A 200 1555 1555 2.12 LINK OH TYR A 75 FE HEM A 200 1555 1555 2.11 LINK NE2 HIS B 32 FE HEM B 200 1555 1555 2.14 LINK OH TYR B 75 FE HEM B 200 1555 1555 2.11 CISPEP 1 GLU A 80 PRO A 81 0 -10.77 CISPEP 2 GLU B 80 PRO B 81 0 -13.20 SITE 1 AC1 17 HIS A 32 THR A 33 ASN A 34 GLY A 35 SITE 2 AC1 17 VAL A 37 SER A 42 PHE A 45 TYR A 55 SITE 3 AC1 17 TYR A 75 HIS A 83 LEU A 85 TYR A 137 SITE 4 AC1 17 HOH A 206 HOH A 226 HOH A 243 HOH A 274 SITE 5 AC1 17 HOH A 309 SITE 1 AC2 17 HIS B 32 THR B 33 ASN B 34 GLY B 35 SITE 2 AC2 17 SER B 42 PHE B 45 TYR B 55 TYR B 75 SITE 3 AC2 17 HIS B 83 LEU B 85 TYR B 137 LEU B 160 SITE 4 AC2 17 ALA B 171 HOH B 241 HOH B 252 HOH B 255 SITE 5 AC2 17 HOH B 266 CRYST1 45.540 66.210 58.930 90.00 104.91 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 0.021959 0.000000 0.005847 0.00000 SCALE2 0.000000 0.015103 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017561 0.00000