PDB Short entry for 3FIA HEADER PROTEIN BINDING 11-DEC-08 3FIA TITLE CRYSTAL STRUCTURE OF THE EH 1 DOMAIN FROM HUMAN INTERSECTIN-1 PROTEIN. TITLE 2 NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET HR3646E. COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTERSECTIN-1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1-111; COMPND 5 SYNONYM: SH3 DOMAIN-CONTAINING PROTEIN 1A, SH3P17; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ITSN, ITSN1, SH3D1A; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) +MAGIC; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET 14-15C KEYWDS INTERSECTIN-1; EH 1 DOMAIN; NESG, STRUCTURAL GENOMICS, PSI-2, PROTEIN KEYWDS 2 STRUCTURE INITIATIVE, NORTHEAST STRUCTURAL GENOMICS CONSORTIUM, KEYWDS 3 ALTERNATIVE SPLICING, CALCIUM, CELL JUNCTION, CELL PROJECTION, KEYWDS 4 COILED COIL, ENDOCYTOSIS, MEMBRANE, PHOSPHOPROTEIN, SH3 DOMAIN, KEYWDS 5 SYNAPSE, SYNAPTOSOME, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR S.M.VOROBIEV,Y.CHEN,J.SEETHARAMAN,C.DEVICES,L.ZHAO,E.L.FOOTE, AUTHOR 2 C.CICCOSANTI,L.MAO,R.XIAO,T.B.ACTON,G.T.MONTELIONE,J.F.HUNT,L.TONG, AUTHOR 3 NORTHEAST STRUCTURAL GENOMICS CONSORTIUM (NESG) REVDAT 3 20-OCT-21 3FIA 1 REMARK SEQADV LINK REVDAT 2 25-OCT-17 3FIA 1 REMARK REVDAT 1 30-DEC-08 3FIA 0 JRNL AUTH S.M.VOROBIEV,Y.CHEN,J.SEETHARAMAN,C.DEVICES,L.ZHAO, JRNL AUTH 2 E.L.FOOTE,C.CICCOSANTI,L.MAO,R.XIAO,T.B.ACTON, JRNL AUTH 3 G.T.MONTELIONE,J.F.HUNT,L.TONG JRNL TITL CRYSTAL STRUCTURE OF THE EH 1 DOMAIN FROM HUMAN JRNL TITL 2 INTERSECTIN-1 PROTEIN. JRNL REF TO BE PUBLISHED JRNL REFN 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) : 45.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 16237 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) : 0.160 REMARK 3 R VALUE (WORKING SET) : 0.160 REMARK 3 FREE R VALUE : 0.176 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 866 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) : 1155 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.75 REMARK 3 BIN R VALUE (WORKING SET) : 0.1390 REMARK 3 BIN FREE R VALUE SET COUNT : 61 REMARK 3 BIN FREE R VALUE : 0.2020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 771 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 133 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.34000 REMARK 3 B22 (A**2) : 0.44000 REMARK 3 B33 (A**2) : -0.07000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.04000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.080 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.062 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.027 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.427 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.963 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): 804 ; 0.006 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1091 ; 0.831 ; 1.963 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 99 ; 5.142 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 36 ;39.613 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 136 ;14.597 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ; 9.558 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 116 ; 0.065 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 616 ; 0.015 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 396 ; 0.237 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 581 ; 0.321 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 74 ; 0.152 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 6 ; 0.064 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 48 ; 0.183 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 25 ; 0.194 ; 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): 506 ; 2.699 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 799 ; 3.364 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 315 ; 4.506 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 292 ; 6.253 ; 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): 821 ; 2.895 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 134 ;10.275 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 784 ; 6.239 ; 3.000 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 : 1.20 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 3FIA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-DEC-08. REMARK 100 THE DEPOSITION ID IS D_1000050625. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-DEC-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97869 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31879 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 33.7500 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 (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.22200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SNB, RESOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 29.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.75 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5M AMMONIUM SULFATE, 12% GLYCEROL, REMARK 280 0.1M TRISHCL, PH 8.5, MICROBATCH UNDER OIL , TEMPERATURE 277K 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 47.42400 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 16.01050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 47.42400 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 16.01050 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 300 REMARK: MONOMER ACCORDING TO AGGREGATION SCREENING 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 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 MSE A -9 REMARK 465 GLY A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 VAL A 1 REMARK 465 ALA A 2 REMARK 465 GLN A 3 REMARK 465 PHE A 4 REMARK 465 PRO A 5 REMARK 465 GLN A 104 REMARK 465 GLN A 105 REMARK 465 PRO A 106 REMARK 465 VAL A 107 REMARK 465 ALA A 108 REMARK 465 ILE A 109 REMARK 465 SER A 110 REMARK 465 SER A 111 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 THR A 6 OG1 CG2 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 CA A 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 66 OD1 REMARK 620 2 ASN A 68 OD1 86.1 REMARK 620 3 ASP A 70 OD1 89.3 75.5 REMARK 620 4 ARG A 72 O 89.8 151.8 76.5 REMARK 620 5 GLU A 77 OE1 104.5 127.5 153.2 80.5 REMARK 620 6 GLU A 77 OE2 92.3 75.3 150.6 132.8 53.4 REMARK 620 7 HOH A 403 O 167.2 86.8 78.6 91.4 88.3 96.2 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: HR3646E RELATED DB: TARGETDB DBREF 3FIA A 1 111 UNP Q15811 ITSN1_HUMAN 1 111 SEQADV 3FIA MSE A -9 UNP Q15811 EXPRESSION TAG SEQADV 3FIA GLY A -8 UNP Q15811 EXPRESSION TAG SEQADV 3FIA HIS A -7 UNP Q15811 EXPRESSION TAG SEQADV 3FIA HIS A -6 UNP Q15811 EXPRESSION TAG SEQADV 3FIA HIS A -5 UNP Q15811 EXPRESSION TAG SEQADV 3FIA HIS A -4 UNP Q15811 EXPRESSION TAG SEQADV 3FIA HIS A -3 UNP Q15811 EXPRESSION TAG SEQADV 3FIA HIS A -2 UNP Q15811 EXPRESSION TAG SEQADV 3FIA SER A -1 UNP Q15811 EXPRESSION TAG SEQADV 3FIA HIS A 0 UNP Q15811 EXPRESSION TAG SEQADV 3FIA VAL A 1 UNP Q15811 MET 1 ENGINEERED MUTATION SEQADV 3FIA THR A 14 UNP Q15811 ILE 14 ENGINEERED MUTATION SEQRES 1 A 121 MSE GLY HIS HIS HIS HIS HIS HIS SER HIS VAL ALA GLN SEQRES 2 A 121 PHE PRO THR PRO PHE GLY GLY SER LEU ASP THR TRP ALA SEQRES 3 A 121 ILE THR VAL GLU GLU ARG ALA LYS HIS ASP GLN GLN PHE SEQRES 4 A 121 HIS SER LEU LYS PRO ILE SER GLY PHE ILE THR GLY ASP SEQRES 5 A 121 GLN ALA ARG ASN PHE PHE PHE GLN SER GLY LEU PRO GLN SEQRES 6 A 121 PRO VAL LEU ALA GLN ILE TRP ALA LEU ALA ASP MSE ASN SEQRES 7 A 121 ASN ASP GLY ARG MSE ASP GLN VAL GLU PHE SER ILE ALA SEQRES 8 A 121 MSE LYS LEU ILE LYS LEU LYS LEU GLN GLY TYR GLN LEU SEQRES 9 A 121 PRO SER ALA LEU PRO PRO VAL MSE LYS GLN GLN PRO VAL SEQRES 10 A 121 ALA ILE SER SER MODRES 3FIA MSE A 67 MET SELENOMETHIONINE MODRES 3FIA MSE A 73 MET SELENOMETHIONINE MODRES 3FIA MSE A 82 MET SELENOMETHIONINE MODRES 3FIA MSE A 102 MET SELENOMETHIONINE HET MSE A 67 8 HET MSE A 73 8 HET MSE A 82 8 HET MSE A 102 8 HET CA A 201 1 HET SO4 A 301 5 HETNAM MSE SELENOMETHIONINE HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 2 CA CA 2+ FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *133(H2 O) HELIX 1 1 THR A 18 LEU A 32 1 15 HELIX 2 2 GLY A 41 PHE A 49 1 9 HELIX 3 3 GLN A 50 GLY A 52 5 3 HELIX 4 4 PRO A 54 ASP A 66 1 13 HELIX 5 5 ASP A 74 GLN A 90 1 17 HELIX 6 6 PRO A 99 LYS A 103 5 5 SHEET 1 A 2 ILE A 39 THR A 40 0 SHEET 2 A 2 ARG A 72 MSE A 73 -1 O MSE A 73 N ILE A 39 LINK C ASP A 66 N MSE A 67 1555 1555 1.33 LINK C MSE A 67 N ASN A 68 1555 1555 1.33 LINK C ARG A 72 N MSE A 73 1555 1555 1.33 LINK C MSE A 73 N ASP A 74 1555 1555 1.33 LINK C ALA A 81 N MSE A 82 1555 1555 1.33 LINK C MSE A 82 N LYS A 83 1555 1555 1.33 LINK C VAL A 101 N MSE A 102 1555 1555 1.33 LINK C MSE A 102 N LYS A 103 1555 1555 1.33 LINK OD1 ASP A 66 CA CA A 201 1555 1555 2.29 LINK OD1 ASN A 68 CA CA A 201 1555 1555 2.39 LINK OD1 ASP A 70 CA CA A 201 1555 1555 2.38 LINK O ARG A 72 CA CA A 201 1555 1555 2.36 LINK OE1 GLU A 77 CA CA A 201 1555 1555 2.41 LINK OE2 GLU A 77 CA CA A 201 1555 1555 2.50 LINK CA CA A 201 O HOH A 403 1555 1555 2.41 SITE 1 AC1 6 ASP A 66 ASN A 68 ASP A 70 ARG A 72 SITE 2 AC1 6 GLU A 77 HOH A 403 SITE 1 AC2 8 GLU A 21 LYS A 86 GLN A 90 PRO A 95 SITE 2 AC2 8 SER A 96 HOH A 465 HOH A 485 HOH A 503 CRYST1 94.848 32.021 33.287 90.00 106.45 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 0.010543 0.000000 0.003113 0.00000 SCALE2 0.000000 0.031230 0.000000 0.00000 SCALE3 0.000000 0.000000 0.031324 0.00000