PDB Short entry for 1T7E HEADER TOXIN 09-MAY-04 1T7E TITLE CRYSTAL STRUCTURE OF MUTANT PRO9SER OF SCORPION ALPHA-LIKE NEUROTOXIN TITLE 2 BMK M1 FROM BUTHUS MARTENSII KARSCH COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-LIKE NEUROTOXIN BMK-I; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BMK I, BMKI, BMK1, BMK-M1, BMK M1, BMKM1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESOBUTHUS MARTENSII; SOURCE 3 ORGANISM_COMMON: CHINESE SCORPION; SOURCE 4 ORGANISM_TAXID: 34649; SOURCE 5 GENE: BMK M1; SOURCE 6 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 7 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: S-78; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PVT 102U-ALPHA KEYWDS BMK M1 MUTANT, SCORPION TOXIN, BUTHUS MARTENSII KARSCH, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.XIANG,R.J.GUAN,X.L.HE,C.G.WANG,M.WANG,Y.ZHANG,E.J.SUNDBERG,D.C.WANG REVDAT 4 25-OCT-23 1T7E 1 REMARK REVDAT 3 10-NOV-21 1T7E 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1T7E 1 VERSN REVDAT 1 07-SEP-04 1T7E 0 JRNL AUTH R.J.GUAN,Y.XIANG,X.L.HE,C.G.WANG,M.WANG,Y.ZHANG, JRNL AUTH 2 E.J.SUNDBERG,D.C.WANG JRNL TITL STRUCTURAL MECHANISM GOVERNING CIS AND TRANS ISOMERIC STATES JRNL TITL 2 AND AN INTRAMOLECULAR SWITCH FOR CIS/TRANS ISOMERIZATION OF JRNL TITL 3 A NON-PROLINE PEPTIDE BOND OBSERVED IN CRYSTAL STRUCTURES OF JRNL TITL 4 SCORPION TOXINS JRNL REF J.MOL.BIOL. V. 341 1189 2004 JRNL REFN ISSN 0022-2836 JRNL PMID 15321715 JRNL DOI 10.1016/J.JMB.2004.06.067 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH X.L.HE,H.M.LI,Z.H.ZENG,X.Q.LIU,M.WANG,D.C.WANG REMARK 1 TITL CRYSTAL STRUCTURES OF TWO ALPHA-LIKE SCORPION TOXINS: REMARK 1 TITL 2 NON-PROLINE CIS PEPTIDE BONDS AND IMPLICATIONS FOR NEW REMARK 1 TITL 3 BINDING SITE SELECTIVITY ON THE SODIUM CHANNEL REMARK 1 REF J.MOL.BIOL. V. 292 125 1999 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 10493862 REMARK 1 DOI 10.1006/JMBI.1999.3036 REMARK 1 REFERENCE 2 REMARK 1 AUTH F.SHAO,Y.M.XIONG,R.H.ZHU,M.H.LING,C.W.CHI,D.C.WANG REMARK 1 TITL EXPRESSION AND PURIFICATION OF THE BMK M1 NEUROTOXIN FROM REMARK 1 TITL 2 THE SCORPION BUTHUS MARTENSII KARSCH REMARK 1 REF PROTEIN EXPR.PURIF. V. 17 358 1999 REMARK 1 REFN ISSN 1046-5928 REMARK 1 PMID 10600453 REMARK 1 DOI 10.1006/PREP.1999.1127 REMARK 1 REFERENCE 3 REMARK 1 AUTH Y.M.XIONG,M.H.LING,D.C.WANG,C.W.CHI REMARK 1 TITL THE CDNA AND GENOMIC DNA SEQUENCES OF A MAMMALIAN NEUROTOXIN REMARK 1 TITL 2 FROM THE SCORPION BUTHUS MARTENSII KARSCH REMARK 1 REF TOXICON V. 35 1025 1997 REMARK 1 REFN ISSN 0041-0101 REMARK 1 PMID 9248001 REMARK 1 DOI 10.1016/S0041-0101(96)00224-3 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.0 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 13889 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) : 0.195 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1405 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 15 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 REFLECTION IN BIN (WORKING SET) : 1178 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE SET COUNT : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 516 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 51 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.20000 REMARK 3 B22 (A**2) : -0.20000 REMARK 3 B33 (A**2) : 0.30000 REMARK 3 B12 (A**2) : -0.10000 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): 0.068 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.068 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.059 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.464 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.951 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 549 ; 0.013 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 435 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 747 ; 1.669 ; 1.955 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1025 ; 0.748 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 65 ; 4.658 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 94 ;13.425 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 71 ; 0.097 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 609 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 108 ; 0.003 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 112 ; 0.199 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 405 ; 0.206 ; 0.300 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 48 ; 0.155 ; 0.500 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): 21 ; 0.500 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 13 ; 0.228 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 8 ; 0.174 ; 0.500 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): 327 ; 1.151 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 523 ; 2.141 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 222 ; 2.794 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 224 ; 4.106 ; 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 : 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: NULL REMARK 4 REMARK 4 1T7E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 12-MAY-04. REMARK 100 THE DEPOSITION ID IS D_1000022405. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-NOV-00 REMARK 200 TEMPERATURE (KELVIN) : 283 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-18B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SILICON (111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13889 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : 0.05300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.70 REMARK 200 R MERGE FOR SHELL (I) : 0.35500 REMARK 200 R SYM FOR SHELL (I) : 0.35500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1SN1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM PHOSPHATE, PEG400, PH 4.6, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.83200 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 17.91600 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 17.91600 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 35.83200 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 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 ND2 ASN A 65 O HOH A 150 2.02 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 SER A 66 8.54 -63.50 REMARK 500 ALA A 17 -50.97 -132.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SN1 RELATED DB: PDB REMARK 900 STRUCTURE OF SCORPION NEUROTOXIN BMK M1 REMARK 900 RELATED ID: 1T7A RELATED DB: PDB REMARK 900 THE SAME PROTEIN, K8D MUTANT REMARK 900 RELATED ID: 1T7B RELATED DB: PDB REMARK 900 THE SAME PROTEIN, K8Q MUTANT DBREF 1T7E A 1 64 UNP P45697 SCX1_MESMA 20 83 SEQADV 1T7E ASN A 65 UNP P45697 CLONING ARTIFACT SEQADV 1T7E SER A 66 UNP P45697 CLONING ARTIFACT SEQADV 1T7E SER A 9 UNP P45697 PRO 28 ENGINEERED MUTATION SEQRES 1 A 66 ASN SER VAL ARG ASP ALA TYR ILE ALA LYS SER HIS ASN SEQRES 2 A 66 CYS VAL TYR GLU CYS ALA ARG ASN GLU TYR CYS ASN ASP SEQRES 3 A 66 LEU CYS THR LYS ASN GLY ALA LYS SER GLY TYR CYS GLN SEQRES 4 A 66 TRP VAL GLY LYS TYR GLY ASN GLY CYS TRP CYS ILE GLU SEQRES 5 A 66 LEU PRO ASP ASN VAL PRO ILE ARG VAL PRO GLY LYS CYS SEQRES 6 A 66 HIS HET PO4 A 301 5 HET PO4 A 302 5 HET PO4 A 303 5 HETNAM PO4 PHOSPHATE ION FORMUL 2 PO4 3(O4 P 3-) FORMUL 5 HOH *51(H2 O) HELIX 1 1 ARG A 18 ASN A 29 1 12 SHEET 1 A 3 VAL A 1 TYR A 5 0 SHEET 2 A 3 GLY A 43 PRO A 52 -1 O CYS A 48 N ALA A 4 SHEET 3 A 3 SER A 33 GLY A 40 -1 N TYR A 35 O TRP A 47 SHEET 1 B 2 ALA A 7 LYS A 8 0 SHEET 2 B 2 CYS A 12 VAL A 13 -1 O CYS A 12 N LYS A 8 SSBOND 1 CYS A 12 CYS A 63 1555 1555 2.04 SSBOND 2 CYS A 16 CYS A 36 1555 1555 2.03 SSBOND 3 CYS A 22 CYS A 46 1555 1555 2.02 SSBOND 4 CYS A 26 CYS A 48 1555 1555 2.05 LINK OE1BGLN A 37 O3 PO4 A 303 1555 1555 1.77 CISPEP 1 SER A 9 HIS A 10 0 -3.52 SITE 1 AC1 7 HIS A 10 LYS A 62 HIS A 64 ASN A 65 SITE 2 AC1 7 HOH A 102 HOH A 106 HOH A 117 SITE 1 AC2 6 CYS A 12 VAL A 13 TYR A 42 ARG A 58 SITE 2 AC2 6 CYS A 63 HOH A 151 SITE 1 AC3 6 SER A 9 HIS A 10 TYR A 35 CYS A 36 SITE 2 AC3 6 GLN A 37 TRP A 38 CRYST1 46.907 46.907 53.748 90.00 90.00 120.00 P 32 2 1 6 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 0.021319 0.012308 0.000000 0.00000 SCALE2 0.000000 0.024617 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018605 0.00000