HEADER TRANSCRIPTION 28-FEB-08 3CEC TITLE CRYSTAL STRUCTURE OF A PUTATIVE ANTIDOTE PROTEIN OF PLASMID TITLE 2 MAINTENANCE SYSTEM (NPUN_F2943) FROM NOSTOC PUNCTIFORME PCC 73102 AT TITLE 3 1.60 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE ANTIDOTE PROTEIN OF PLASMID MAINTENANCE SYSTEM; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NOSTOC PUNCTIFORME; SOURCE 3 ORGANISM_TAXID: 63737; SOURCE 4 STRAIN: PCC 73102; SOURCE 5 GENE: ZP_00107635.1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: HK100; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: SPEEDET KEYWDS STRUCTURAL GENOMICS, JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, KEYWDS 2 PROTEIN STRUCTURE INITIATIVE, PSI-2, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG) REVDAT 8 20-NOV-24 3CEC 1 REMARK REVDAT 7 01-FEB-23 3CEC 1 REMARK SEQADV REVDAT 6 24-JUL-19 3CEC 1 REMARK LINK REVDAT 5 25-OCT-17 3CEC 1 REMARK REVDAT 4 13-JUL-11 3CEC 1 VERSN REVDAT 3 23-MAR-11 3CEC 1 HEADER TITLE KEYWDS REVDAT 2 24-FEB-09 3CEC 1 VERSN REVDAT 1 11-MAR-08 3CEC 0 JRNL AUTH JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG) JRNL TITL CRYSTAL STRUCTURE OF PUTATIVE ANTIDOTE PROTEIN OF PLASMID JRNL TITL 2 MAINTENANCE SYSTEM (ZP_00107635.1) FROM NOSTOC PUNCTIFORME JRNL TITL 3 PCC 73102 AT 1.60 A RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.4.0067 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD WITH PHASES REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.21 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 16798 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) : 0.168 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.202 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 849 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.64 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1105 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.99 REMARK 3 BIN R VALUE (WORKING SET) : 0.2170 REMARK 3 BIN FREE R VALUE SET COUNT : 67 REMARK 3 BIN FREE R VALUE : 0.2700 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 700 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 97 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : 19.42 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.03 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.85000 REMARK 3 B22 (A**2) : -0.40000 REMARK 3 B33 (A**2) : -0.35000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.34000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.073 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.078 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.048 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.676 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.966 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): 814 ; 0.017 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 518 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1121 ; 1.566 ; 1.966 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1282 ; 1.498 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 108 ; 4.712 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 39 ;41.495 ;25.897 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 136 ;11.596 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;18.034 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 127 ; 0.106 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 953 ; 0.009 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 149 ; 0.004 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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 ; 1.780 ; 3.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 202 ; 0.542 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 830 ; 2.971 ; 5.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 308 ; 5.421 ; 8.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 291 ; 8.233 ;11.000 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 : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 13 A 103 REMARK 3 ORIGIN FOR THE GROUP (A): 24.1380 9.7520 38.5170 REMARK 3 T TENSOR REMARK 3 T11: 0.0936 T22: 0.0369 REMARK 3 T33: 0.0612 T12: -0.0108 REMARK 3 T13: -0.0085 T23: 0.0065 REMARK 3 L TENSOR REMARK 3 L11: 0.2563 L22: 0.0604 REMARK 3 L33: 0.3184 L12: -0.0261 REMARK 3 L13: 0.2725 L23: 0.0130 REMARK 3 S TENSOR REMARK 3 S11: -0.0065 S12: 0.0473 S13: 0.0212 REMARK 3 S21: -0.1159 S22: 0.0011 S23: 0.0387 REMARK 3 S31: -0.0782 S32: 0.0535 S33: 0.0054 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: REMARK 3 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. REMARK 3 2. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY. REMARK 3 3. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE REMARK 3 INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY REMARK 3 OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 REMARK 3 TO ACCOUNT FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL REMARK 3 S-MET INCORPORATION. REMARK 3 4. 2-METHYL-2,4-PENTANEDIOL AND POLYETHYLENE GLYCOL FROM REMARK 3 CRYSTALLIZATION CONDITION ARE MODELED IN THIS STRUCTURE. REMARK 4 REMARK 4 3CEC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-MAR-08. REMARK 100 THE DEPOSITION ID IS D_1000046672. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-JAN-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91837, 0.97925, 0.97883 REMARK 200 MONOCHROMATOR : SINGLE CRYSTAL SI(111) BENT REMARK 200 (HORIZONTAL FOCUSING) REMARK 200 OPTICS : FLAT MIRROR (VERTICAL FOCUSING) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16808 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 25.214 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.03500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.2600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.35900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHELX, SHELXD, AUTOSHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NANODROP, 40.0% 2-METHYL-2,4 REMARK 280 -PENTANEDIOL, 5.0% PEG 8000, 0.1M SODIUM CACODYLATE PH 6.5, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K 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 18.35500 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 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 GLY A 0 REMARK 465 MSE A 1 REMARK 465 ASP A 2 REMARK 465 ASN A 3 REMARK 465 TRP A 4 REMARK 465 GLN A 5 REMARK 465 ASP A 6 REMARK 465 ILE A 7 REMARK 465 THR A 8 REMARK 465 ASP A 9 REMARK 465 ASP A 10 REMARK 465 ARG A 11 REMARK 465 LEU A 12 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 VAL A 13 CG1 CG2 REMARK 470 ARG A 14 CD NE CZ NH1 NH2 REMARK 470 GLN A 81 CD OE1 NE2 REMARK 470 LYS A 93 CD CE NZ REMARK 470 GLU A 94 CG CD OE1 OE2 REMARK 470 GLN A 98 CG CD OE1 NE2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MRD A 104 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 105 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 371811 RELATED DB: TARGETDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 1. THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG REMARK 999 MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE REMARK 999 LEAVING ONLY A GLYCINE (0) FOLLOWED BY THE TARGET SEQUENCE. REMARK 999 2. THE SEQUENCE OF THIS PROTEIN WAS NOT AVAILABLE AT THE REMARK 999 UNIPROT KNOWLEDGEBASE DATABASE (UNIPROTKB) AT THE TIME OF REMARK 999 DEPOSITION. THE SEQUENCE INFORMATION IS AVAILABLE AT GENBANK REMARK 999 WITH ACCESSION CODE ZP_00107635.1 AND FROM THE UNIPROT REMARK 999 ARCHIVE WITH ACCESSION CODE UPI000038D8D9. DBREF 3CEC A 1 103 PDB 3CEC 3CEC 1 103 SEQADV 3CEC GLY A 0 PDB 3CEC EXPRESSION TAG SEQRES 1 A 104 GLY MSE ASP ASN TRP GLN ASP ILE THR ASP ASP ARG LEU SEQRES 2 A 104 VAL ARG PRO ILE HIS PRO GLY GLU VAL ILE ALA ASP ILE SEQRES 3 A 104 LEU ASP ASP LEU ASP ILE ASN THR ALA ASN PHE ALA GLU SEQRES 4 A 104 ILE LEU GLY VAL SER ASN GLN THR ILE GLN GLU VAL ILE SEQRES 5 A 104 ASN GLY GLN ARG SER ILE THR VAL ASP ILE ALA ILE ARG SEQRES 6 A 104 LEU GLY LYS ALA LEU GLY ASN GLY PRO ARG LEU TRP LEU SEQRES 7 A 104 ASN LEU GLN GLN LYS VAL ASP LEU TRP TYR ALA LEU GLN SEQRES 8 A 104 SER HIS LYS GLU GLU TYR GLU GLN VAL MSE THR LEU VAL MODRES 3CEC MSE A 100 MET SELENOMETHIONINE HET MSE A 100 24 HET MRD A 104 8 HET PEG A 105 7 HETNAM MSE SELENOMETHIONINE HETNAM MRD (4R)-2-METHYLPENTANE-2,4-DIOL HETNAM PEG DI(HYDROXYETHYL)ETHER FORMUL 1 MSE C5 H11 N O2 SE FORMUL 2 MRD C6 H14 O2 FORMUL 3 PEG C4 H10 O3 FORMUL 4 HOH *97(H2 O) HELIX 1 1 HIS A 17 ASP A 30 1 14 HELIX 2 2 ASN A 32 GLY A 41 1 10 HELIX 3 3 SER A 43 ASN A 52 1 10 HELIX 4 4 THR A 58 GLY A 70 1 13 HELIX 5 5 GLY A 72 THR A 101 1 30 LINK C VAL A 99 N AMSE A 100 1555 1555 1.34 LINK C VAL A 99 N BMSE A 100 1555 1555 1.33 LINK C VAL A 99 N CMSE A 100 1555 1555 1.33 LINK C AMSE A 100 N THR A 101 1555 1555 1.31 LINK C BMSE A 100 N THR A 101 1555 1555 1.32 LINK C CMSE A 100 N THR A 101 1555 1555 1.32 SITE 1 AC1 2 ASP A 60 ARG A 64 SITE 1 AC2 4 LEU A 40 ARG A 64 GLU A 97 THR A 101 CRYST1 35.070 36.710 50.050 90.00 98.38 90.00 P 1 21 1 2 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 0.028514 0.000000 0.004199 0.00000 SCALE2 0.000000 0.027241 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020196 0.00000