HEADER SUGAR BINDING PROTEIN 16-AUG-13 4MAG TITLE CRYSTAL STRUCTURE OF THE PERIPLASMIC SIALIC ACID BINDING PROTEIN FROM TITLE 2 VIBRIO CHOLEREA COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIALIC ACID BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 23-321; COMPND 5 SYNONYM: TRAP-TYPE TRANSPORT SYSTEM PERIPLASMIC COMPONENT; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 593588; SOURCE 4 STRAIN: MJ-1236; SOURCE 5 GENE: SIAP, VCD_002591; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PET28A KEYWDS SIALIC ACID BINDING AND TRANSPORT SIAP, SUGAR BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.RAMASWAMY,C.CHO,M.A.APICELLA REVDAT 4 20-SEP-23 4MAG 1 REMARK SEQADV LINK REVDAT 3 24-SEP-14 4MAG 1 JRNL REVDAT 2 09-JUL-14 4MAG 1 HEADER JRNL REVDAT 1 02-JUL-14 4MAG 0 JRNL AUTH T.GANGI SETTY,C.CHO,S.GOVINDAPPA,M.A.APICELLA,S.RAMASWAMY JRNL TITL BACTERIAL PERIPLASMIC SIALIC ACID-BINDING PROTEINS EXHIBIT A JRNL TITL 2 CONSERVED BINDING SITE. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 70 1801 2014 JRNL REFN ISSN 0907-4449 JRNL PMID 25004958 JRNL DOI 10.1107/S139900471400830X REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 11.73 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 65331 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) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3314 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) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4493 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.3190 REMARK 3 BIN FREE R VALUE SET COUNT : 249 REMARK 3 BIN FREE R VALUE : 0.3480 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2445 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 326 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.42 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.34000 REMARK 3 B22 (A**2) : -0.45000 REMARK 3 B33 (A**2) : 0.79000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.074 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.069 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.058 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.506 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.974 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.960 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2517 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1691 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3410 ; 1.233 ; 1.954 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4150 ; 0.896 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 312 ; 4.906 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 121 ;41.568 ;25.207 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 453 ;11.603 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;14.508 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 375 ; 0.076 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2791 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 480 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 528 ; 0.210 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1781 ; 0.185 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1254 ; 0.173 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1219 ; 0.086 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 220 ; 0.153 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.025 ; 0.200 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): 7 ; 0.234 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 29 ; 0.222 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 24 ; 0.151 ; 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): 2012 ; 1.267 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 619 ; 0.373 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2489 ; 1.490 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1131 ; 2.484 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 918 ; 3.595 ; 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 : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : 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 4MAG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-SEP-13. REMARK 100 THE DEPOSITION ID IS D_1000081669. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-NOV-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9793 REMARK 200 MONOCHROMATOR : CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK 9.6L REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 65409 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 19.910 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.040 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.97 REMARK 200 R MERGE FOR SHELL (I) : 0.65500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.800 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 3B50 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 36 MG/ML SIAP IN 20 MM HEPES, 10 MM REMARK 280 SODIUM CHLORIDE, PH 8.0 AND RESERVOIR SOLUTION (0.1 M MES, 20% W/ REMARK 280 V PEG-6000 AT PH 6.0). , VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 37.48850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 41.15750 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 59.67700 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.48850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 41.15750 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 59.67700 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.48850 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 41.15750 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 59.67700 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.48850 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 41.15750 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 59.67700 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 683 O HOH A 750 2.09 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 PRO A 165 140.82 -38.48 REMARK 500 MET A 166 141.22 -176.63 REMARK 500 HIS A 306 48.36 -84.76 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 CO A 401 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 302 ND1 REMARK 620 2 HIS A 305 ND1 103.3 REMARK 620 3 HIS A 307 NE2 112.4 122.4 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3B50 RELATED DB: PDB REMARK 900 STRUCTURE OF H. INFLUENZAE SIALIC ACID BINDING PROTEIN BOUND TO REMARK 900 NEU5AC. REMARK 900 RELATED ID: 2CEY RELATED DB: PDB REMARK 900 APO STRUCTURE OF SIAP REMARK 900 RELATED ID: 2CEX RELATED DB: PDB REMARK 900 STRUCTURE OF A SIALIC ACID BINDING PROTEIN (SIAP) IN THE PRESENCE REMARK 900 OF THE SIALIC ACID ACID ANALOGUE NEU5AC2EN REMARK 900 RELATED ID: 4MMP RELATED DB: PDB REMARK 900 STRUCTURE OF SIALIC ACID BINDING PROTEIN FROM PASTURELLA MULTOCIDA DBREF 4MAG A 1 299 UNP C3NPP8 C3NPP8_VIBCJ 23 321 SEQADV 4MAG LEU A 300 UNP C3NPP8 EXPRESSION TAG SEQADV 4MAG GLN A 301 UNP C3NPP8 EXPRESSION TAG SEQADV 4MAG HIS A 302 UNP C3NPP8 EXPRESSION TAG SEQADV 4MAG HIS A 303 UNP C3NPP8 EXPRESSION TAG SEQADV 4MAG HIS A 304 UNP C3NPP8 EXPRESSION TAG SEQADV 4MAG HIS A 305 UNP C3NPP8 EXPRESSION TAG SEQADV 4MAG HIS A 306 UNP C3NPP8 EXPRESSION TAG SEQADV 4MAG HIS A 307 UNP C3NPP8 EXPRESSION TAG SEQRES 1 A 307 ALA THR THR LEU LYS MET GLY MET GLN ALA SER VAL GLY SEQRES 2 A 307 SER VAL GLU TYR ASN SER ALA LYS MET LEU ALA ASP THR SEQRES 3 A 307 LEU GLU GLU MET SER GLN GLY GLU ILE LYS LEU ALA LEU SEQRES 4 A 307 TYR PRO SER ALA GLN LEU GLY ASP ASP ARG ALA MET LEU SEQRES 5 A 307 GLN GLN LEU THR LEU GLY ASP LEU ASP ILE THR TYR ALA SEQRES 6 A 307 GLU PHE GLY ARG MET GLY LEU TRP ILE PRO ARG ALA GLU SEQRES 7 A 307 ALA VAL MET LEU PRO TYR VAL ALA LYS ASP PHE ASP HIS SEQRES 8 A 307 LEU ARG ARG MET PHE GLU SER ASP PHE GLY GLN GLY VAL SEQRES 9 A 307 ARG ASP GLU MET LEU GLN LYS PHE ASN TRP ARG ALA LEU SEQRES 10 A 307 ASP THR TRP TYR ASN GLY THR ARG GLU THR THR SER ASN SEQRES 11 A 307 ARG PRO LEU ASN SER ILE GLU ASP PHE LYS GLY LEU LYS SEQRES 12 A 307 LEU ARG VAL PRO ASN ALA LYS GLN ASN LEU ASN TYR ALA SEQRES 13 A 307 LYS LEU SER GLY ALA SER PRO THR PRO MET SER PHE SER SEQRES 14 A 307 GLU VAL TYR LEU ALA LEU GLN THR ASN ALA VAL ASP GLY SEQRES 15 A 307 GLN GLU ASN PRO LEU PRO THR ILE LYS THR MET LYS PHE SEQRES 16 A 307 TYR GLU VAL GLN LYS ASN LEU ALA MET THR HIS HIS ILE SEQRES 17 A 307 VAL ASN ASP GLN MET VAL ILE ILE SER GLU SER THR TRP SEQRES 18 A 307 GLN LYS LEU SER ASP THR ASP LYS ASP ILE ILE GLN LYS SEQRES 19 A 307 ALA VAL GLN LYS VAL GLY ASP ALA HIS THR GLN THR VAL SEQRES 20 A 307 LYS THR GLN GLU ALA GLU LEU VAL SER PHE PHE LYS SER SEQRES 21 A 307 GLU GLY ILE ASN VAL THR TYR PRO ASP LEU GLU PRO PHE SEQRES 22 A 307 ARG GLU ALA MET GLN PRO LEU TYR LYS GLU PHE ASP SER SEQRES 23 A 307 ASN ILE GLY GLN PRO ILE VAL SER LYS LEU ALA ALA MET SEQRES 24 A 307 LEU GLN HIS HIS HIS HIS HIS HIS HET CO A 401 1 HET SO4 A 402 5 HETNAM CO COBALT (II) ION HETNAM SO4 SULFATE ION FORMUL 2 CO CO 2+ FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *326(H2 O) HELIX 1 1 SER A 14 SER A 31 1 18 HELIX 2 2 ASP A 47 LEU A 57 1 11 HELIX 3 3 PHE A 67 TRP A 73 5 7 HELIX 4 4 ILE A 74 LEU A 82 5 9 HELIX 5 5 ASP A 88 SER A 98 1 11 HELIX 6 6 SER A 98 ASN A 113 1 16 HELIX 7 7 SER A 135 LYS A 140 5 6 HELIX 8 8 ALA A 149 GLY A 160 1 12 HELIX 9 9 SER A 167 SER A 169 5 3 HELIX 10 10 GLU A 170 THR A 177 1 8 HELIX 11 11 LEU A 187 MET A 193 1 7 HELIX 12 12 LYS A 194 GLN A 199 5 6 HELIX 13 13 GLU A 218 GLN A 222 1 5 HELIX 14 14 SER A 225 GLU A 261 1 37 HELIX 15 15 LEU A 270 GLY A 289 1 20 HELIX 16 16 PRO A 291 ALA A 298 1 8 SHEET 1 A 8 ILE A 35 TYR A 40 0 SHEET 2 A 8 THR A 2 GLY A 7 1 N THR A 2 O LYS A 36 SHEET 3 A 8 ILE A 62 ALA A 65 1 O ILE A 62 N LYS A 5 SHEET 4 A 8 ASN A 201 SER A 217 -1 O MET A 213 N ALA A 65 SHEET 5 A 8 TRP A 114 SER A 129 -1 N THR A 127 O ALA A 203 SHEET 6 A 8 GLY A 182 PRO A 186 -1 O GLN A 183 N THR A 128 SHEET 7 A 8 LYS A 143 ARG A 145 1 N ARG A 145 O GLY A 182 SHEET 8 A 8 SER A 162 PRO A 163 1 O SER A 162 N LEU A 144 SHEET 1 B 5 ILE A 35 TYR A 40 0 SHEET 2 B 5 THR A 2 GLY A 7 1 N THR A 2 O LYS A 36 SHEET 3 B 5 ILE A 62 ALA A 65 1 O ILE A 62 N LYS A 5 SHEET 4 B 5 ASN A 201 SER A 217 -1 O MET A 213 N ALA A 65 SHEET 5 B 5 ASN A 264 THR A 266 1 O THR A 266 N LEU A 202 LINK ND1 HIS A 302 CO CO A 401 1555 1555 2.22 LINK ND1 HIS A 305 CO CO A 401 1555 1555 1.96 LINK NE2 HIS A 307 CO CO A 401 1555 1555 1.93 SITE 1 AC1 4 GLU A 261 HIS A 302 HIS A 305 HIS A 307 SITE 1 AC2 5 ARG A 125 ARG A 145 PRO A 147 ASN A 185 SITE 2 AC2 5 HOH A 780 CRYST1 74.977 82.315 119.354 90.00 90.00 90.00 I 2 2 2 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 0.013337 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012148 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008378 0.00000