HEADER TRANSPORT PROTEIN 18-MAY-06 2CN4 TITLE THE CRYSTAL STRUCTURE OF THE SECRETED DIMERIC FORM OF THE HEMOPHORE TITLE 2 HASA REVEALS A DOMAIN SWAPPING WITH AN EXCHANGED HEME LIGAND COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOPHORE HASA; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HEME BINDING PROTEIN HASA, HEME ACQUISITION SYSTEM PROTEIN COMPND 5 A; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: H32A, Y75B, H32B AND Y75A ARE LIGANDS TO THE HEME COMPND 8 IRONS HEM200A AND HEM200B RESPECTIVELY SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS; SOURCE 3 ORGANISM_TAXID: 615; SOURCE 4 CELL: SECRETED; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: STRAIN POP3; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PSYC34PAM KEYWDS DOMAIN SWAPPING, TRANSPORT PROTEIN, HEME, IRON, DIMERIC FORM, METAL- KEYWDS 2 BINDING EXPDTA X-RAY DIFFRACTION AUTHOR M.CZJZEK,S.LETOFFE,C.WANDERSMAN,M.DELEPIERRE,A.LECROISEY,N.IZADI- AUTHOR 2 PRUNEYRE REVDAT 4 13-DEC-23 2CN4 1 LINK REVDAT 3 24-FEB-09 2CN4 1 VERSN REVDAT 2 03-JAN-07 2CN4 1 JRNL REVDAT 1 26-MAY-06 2CN4 0 JRNL AUTH M.CZJZEK,S.LETOFFE,C.WANDERSMAN,M.DELEPIERRE,A.LECROISEY, JRNL AUTH 2 N.IZADI-PRUNEYRE JRNL TITL THE CRYSTAL STRUCTURE OF THE SECRETED DIMERIC FORM OF THE JRNL TITL 2 HEMOPHORE HASA REVEALS A DOMAIN SWAPPING WITH AN EXCHANGED JRNL TITL 3 HEME LIGAND JRNL REF J.MOL.BIOL. V. 365 1176 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17113104 JRNL DOI 10.1016/J.JMB.2006.10.063 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 12866 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) : 0.172 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 676 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 898 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1790 REMARK 3 BIN FREE R VALUE SET COUNT : 39 REMARK 3 BIN FREE R VALUE : 0.2310 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 : 96 REMARK 3 SOLVENT ATOMS : 149 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.60000 REMARK 3 B22 (A**2) : 0.40000 REMARK 3 B33 (A**2) : 0.48000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.53000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.492 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.246 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.105 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.185 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.889 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2676 ; 0.008 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 2156 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3680 ; 1.201 ; 2.026 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5002 ; 0.801 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 344 ; 5.814 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 386 ; 0.073 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3148 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 538 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 560 ; 0.192 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 2460 ; 0.236 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 1352 ; 0.082 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 98 ; 0.175 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 16 ; 0.158 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 26 ; 0.232 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 12 ; 0.139 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1682 ; 0.406 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2654 ; 0.801 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 994 ; 1.317 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1026 ; 2.158 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : 1 REMARK 3 REMARK 3 NCS GROUP NUMBER : 1 REMARK 3 CHAIN NAMES : A B REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 1 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 A 2 A 201 5 REMARK 3 1 B 2 B 201 5 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 MEDIUM POSITIONAL 1 A (A): 1008 ; 0.12 ; 0.50 REMARK 3 LOOSE POSITIONAL 1 A (A): 1374 ; 0.34 ; 5.00 REMARK 3 MEDIUM THERMAL 1 A (A**2): 1008 ; 0.36 ; 2.00 REMARK 3 LOOSE THERMAL 1 A (A**2): 1374 ; 0.74 ; 10.00 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. REMARK 4 REMARK 4 2CN4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 18-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1290028785. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-OCT-04 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL 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 : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14221 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 55.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 200 DATA REDUNDANCY : 1.900 REMARK 200 R MERGE (I) : 0.03000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.1 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.07000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 7.000 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: PDB ENTRY 1B2V REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2 MICROLITERS PROTEIN (AT A REMARK 280 CONCENTRATION OF ABOUT 4 MG/ML) WERE MIXED WITH 1 MICROLITER REMARK 280 RESERVOIR CONSISTING OF 100 MM TRIS BUFFER AT PH 8.5, 2 M K2HPO4 REMARK 280 AND 2 M NAH2PO4., PH 8.50 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 31.16000 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 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 400 REMARK 400 COMPOUND REMARK 400 IT IS CAPABLE OF BINDING FREE HEME AS WELL AS CAN ACQUIRE IT FROM REMARK 400 THE HEMOGLOBIN.IT IS REPONSIBLE FOR TRANSFERRING HEME FROM HEMOGLOB REMARK 400 TO THE HASR RECEPTOR WHICH RELEASES IT INTO THE BACTERIUM. 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 NE2 GLN B 88 OD1 ASP B 90 2.10 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 29 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP A 90 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP B 129 CB - CG - OD2 ANGL. DEV. = 6.4 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 THR A 38 -168.30 -126.71 REMARK 500 GLN A 63 16.89 59.04 REMARK 500 VAL A 64 -58.14 -124.44 REMARK 500 LEU A 77 -115.34 57.32 REMARK 500 ASP A 102 -84.63 -115.47 REMARK 500 ASP A 112 -64.00 -92.72 REMARK 500 THR B 38 -164.91 -127.33 REMARK 500 GLN B 63 19.28 56.70 REMARK 500 VAL B 64 -57.50 -130.18 REMARK 500 LEU B 77 -114.75 56.55 REMARK 500 ASP B 102 -80.08 -113.26 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 B1175 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 32 NE2 REMARK 620 2 HEM B1175 NA 88.1 REMARK 620 3 HEM B1175 NB 94.5 90.6 REMARK 620 4 HEM B1175 NC 87.9 175.9 90.6 REMARK 620 5 HEM B1175 ND 82.0 91.1 176.1 87.4 REMARK 620 6 TYR B 75 OH 173.1 90.1 92.2 93.7 91.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A1175 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 75 OH REMARK 620 2 HEM A1175 NA 95.2 REMARK 620 3 HEM A1175 NB 92.1 89.6 REMARK 620 4 HEM A1175 NC 89.9 174.9 90.0 REMARK 620 5 HEM A1175 ND 92.8 89.4 175.1 90.5 REMARK 620 6 HIS B 32 NE2 177.6 85.0 90.3 90.0 84.8 REMARK 620 N 1 2 3 4 5 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A1176 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B1176 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A1175 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B1175 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1B2V RELATED DB: PDB REMARK 900 HEME-BINDING PROTEIN A REMARK 900 RELATED ID: 1DK0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HEMOPHORE HASA FROM SERRATIA MARCESCENS REMARK 900 CRYSTAL FORM P2(1), PH8 REMARK 900 RELATED ID: 1DKH RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HEMOPHORE HASA, PH 6.5 REMARK 900 RELATED ID: 1YBJ RELATED DB: PDB REMARK 900 STRUCTURAL AND DYNAMICS STUDIES OF BOTH APO AND HOLO FORMSOF THE REMARK 900 HEMOPHORE HASA DBREF 2CN4 A 2 174 UNP Q54450 HASA_SERMA 2 174 DBREF 2CN4 B 2 174 UNP Q54450 HASA_SERMA 2 174 SEQRES 1 A 173 ALA PHE SER VAL ASN TYR ASP SER SER PHE GLY GLY TYR SEQRES 2 A 173 SER ILE HIS ASP TYR LEU GLY GLN TRP ALA SER THR PHE SEQRES 3 A 173 GLY ASP VAL ASN HIS THR ASN GLY ASN VAL THR ASP ALA SEQRES 4 A 173 ASN SER GLY GLY PHE TYR GLY GLY SER LEU SER GLY SER SEQRES 5 A 173 GLN TYR ALA ILE SER SER THR ALA ASN GLN VAL THR ALA SEQRES 6 A 173 PHE VAL ALA GLY GLY ASN LEU THR TYR THR LEU PHE ASN SEQRES 7 A 173 GLU PRO ALA HIS THR LEU TYR GLY GLN LEU ASP SER LEU SEQRES 8 A 173 SER PHE GLY ASP GLY LEU SER GLY GLY ASP THR SER PRO SEQRES 9 A 173 TYR SER ILE GLN VAL PRO ASP VAL SER PHE GLY GLY LEU SEQRES 10 A 173 ASN LEU SER SER LEU GLN ALA GLN GLY HIS ASP GLY VAL SEQRES 11 A 173 VAL HIS GLN VAL VAL TYR GLY LEU MET SER GLY ASP THR SEQRES 12 A 173 GLY ALA LEU GLU THR ALA LEU ASN GLY ILE LEU ASP ASP SEQRES 13 A 173 TYR GLY LEU SER VAL ASN SER THR PHE ASP GLN VAL ALA SEQRES 14 A 173 ALA ALA THR ALA SEQRES 1 B 173 ALA PHE SER VAL ASN TYR ASP SER SER PHE GLY GLY TYR SEQRES 2 B 173 SER ILE HIS ASP TYR LEU GLY GLN TRP ALA SER THR PHE SEQRES 3 B 173 GLY ASP VAL ASN HIS THR ASN GLY ASN VAL THR ASP ALA SEQRES 4 B 173 ASN SER GLY GLY PHE TYR GLY GLY SER LEU SER GLY SER SEQRES 5 B 173 GLN TYR ALA ILE SER SER THR ALA ASN GLN VAL THR ALA SEQRES 6 B 173 PHE VAL ALA GLY GLY ASN LEU THR TYR THR LEU PHE ASN SEQRES 7 B 173 GLU PRO ALA HIS THR LEU TYR GLY GLN LEU ASP SER LEU SEQRES 8 B 173 SER PHE GLY ASP GLY LEU SER GLY GLY ASP THR SER PRO SEQRES 9 B 173 TYR SER ILE GLN VAL PRO ASP VAL SER PHE GLY GLY LEU SEQRES 10 B 173 ASN LEU SER SER LEU GLN ALA GLN GLY HIS ASP GLY VAL SEQRES 11 B 173 VAL HIS GLN VAL VAL TYR GLY LEU MET SER GLY ASP THR SEQRES 12 B 173 GLY ALA LEU GLU THR ALA LEU ASN GLY ILE LEU ASP ASP SEQRES 13 B 173 TYR GLY LEU SER VAL ASN SER THR PHE ASP GLN VAL ALA SEQRES 14 B 173 ALA ALA THR ALA HET HEM A1175 43 HET PO4 A1176 5 HET HEM B1175 43 HET PO4 B1176 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM PO4 PHOSPHATE ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 PO4 2(O4 P 3-) FORMUL 7 HOH *149(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 LEU A 123 ASP A 129 5 7 HELIX 4 4 GLY A 130 SER A 141 1 12 HELIX 5 5 THR A 144 ASP A 156 1 13 HELIX 6 6 ASP A 157 GLY A 159 5 3 HELIX 7 7 THR A 165 THR A 173 1 9 HELIX 8 8 SER B 9 GLY B 12 5 4 HELIX 9 9 SER B 15 GLY B 28 1 14 HELIX 10 10 LEU B 123 ASP B 129 5 7 HELIX 11 11 GLY B 130 SER B 141 1 12 HELIX 12 12 THR B 144 ASP B 157 1 14 HELIX 13 13 THR B 165 THR B 173 1 9 SHEET 1 AA 6 SER A 4 TYR A 7 0 SHEET 2 AA 6 SER B 107 GLY B 116 -1 O SER B 114 N ASN A 6 SHEET 3 AA 6 LEU B 85 SER B 99 -1 O LEU B 92 N PHE B 115 SHEET 4 AA 6 THR B 65 TYR B 75 -1 O ALA B 66 N GLY B 95 SHEET 5 AA 6 LEU B 50 SER B 58 -1 O LEU B 50 N TYR B 75 SHEET 6 AA 6 GLY A 44 TYR A 46 -1 O GLY A 44 N ALA B 56 SHEET 1 AB 4 SER A 4 TYR A 7 0 SHEET 2 AB 4 SER B 107 GLY B 116 -1 O SER B 114 N ASN A 6 SHEET 3 AB 4 LEU B 85 SER B 99 -1 O LEU B 92 N PHE B 115 SHEET 4 AB 4 LEU B 120 SER B 122 -1 O LEU B 120 N LEU B 89 SHEET 1 AC 5 LEU A 120 SER A 122 0 SHEET 2 AC 5 LEU A 85 SER A 99 -1 O GLY A 87 N SER A 122 SHEET 3 AC 5 THR A 65 TYR A 75 -1 O ALA A 66 N GLY A 95 SHEET 4 AC 5 LEU A 50 SER A 58 -1 O LEU A 50 N TYR A 75 SHEET 5 AC 5 GLY B 44 TYR B 46 -1 O GLY B 44 N ALA A 56 SHEET 1 AD 4 LEU A 120 SER A 122 0 SHEET 2 AD 4 LEU A 85 SER A 99 -1 O GLY A 87 N SER A 122 SHEET 3 AD 4 SER A 107 GLY A 116 -1 O SER A 107 N SER A 99 SHEET 4 AD 4 SER B 4 TYR B 7 -1 O SER B 4 N GLY A 116 LINK NE2 HIS A 32 FE HEM B1175 1555 1555 2.19 LINK OH TYR A 75 FE HEM A1175 1555 1555 1.97 LINK FE HEM A1175 NE2 HIS B 32 1555 1555 2.12 LINK OH TYR B 75 FE HEM B1175 1555 1555 2.04 CISPEP 1 GLU A 80 PRO A 81 0 -5.97 CISPEP 2 GLU B 80 PRO B 81 0 -11.62 SITE 1 AC1 6 PHE A 78 HIS A 83 ASP A 167 HEM A1175 SITE 2 AC1 6 HOH A2077 THR B 103 SITE 1 AC2 6 THR A 103 PHE B 78 ALA B 82 HIS B 83 SITE 2 AC2 6 ASP B 167 HEM B1175 SITE 1 AC3 17 TYR A 55 TYR A 75 PHE A 78 HIS A 83 SITE 2 AC3 17 HIS A 128 TYR A 137 PO4 A1176 HOH A2076 SITE 3 AC3 17 HIS B 32 THR B 33 ASN B 34 GLY B 35 SITE 4 AC3 17 VAL B 37 SER B 42 PHE B 45 HOH B2003 SITE 5 AC3 17 HOH B2018 SITE 1 AC4 15 HIS A 32 ASN A 34 GLY A 35 VAL A 37 SITE 2 AC4 15 SER A 42 PHE A 45 HOH A2020 TYR B 55 SITE 3 AC4 15 TYR B 75 PHE B 78 HIS B 83 LEU B 85 SITE 4 AC4 15 TYR B 137 PO4 B1176 HOH B2071 CRYST1 47.080 62.320 56.820 90.00 105.34 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 0.021240 0.000000 0.005827 0.00000 SCALE2 0.000000 0.016046 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018250 0.00000 MTRIX1 1 -1.000000 -0.000700 -0.001300 -36.09330 1 MTRIX2 1 -0.001000 0.979600 0.201000 1.44990 1 MTRIX3 1 0.001100 0.201000 -0.979600 -14.17390 1