HEADER ANTIFREEZE PROTEIN 26-JUN-14 4UR6 TITLE STRUCTURE OF THE TYPE III FISH ANTIFREEZE PROTEIN FROM ZOARCES TITLE 2 VIVIPARUS ZVAFP6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYPE III ANTIFREEZE PROTEIN 6; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ANTIFREEZE PROTEIN ZVAFP6; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ZOARCES VIVIPARUS; SOURCE 3 ORGANISM_COMMON: EUROPEAN EELPOUT, VIVIPAROUS BLENNY; SOURCE 4 ORGANISM_TAXID: 48416; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ANTIFREEZE PROTEIN, FISH, TYPE III, SP ISOFORM EXPDTA X-RAY DIFFRACTION AUTHOR C.WILKENS,J.-C.N.POULSEN,H.RAMLOEV,L.LO LEGGIO REVDAT 4 10-JAN-24 4UR6 1 REMARK REVDAT 3 17-JAN-18 4UR6 1 REMARK REVDAT 2 27-AUG-14 4UR6 1 JRNL REVDAT 1 23-JUL-14 4UR6 0 JRNL AUTH C.WILKENS,J.N.POULSEN,H.RAMLOV,L.LO LEGGIO JRNL TITL PURIFICATION, CRYSTAL STRUCTURE DETERMINATION AND FUNCTIONAL JRNL TITL 2 CHARACTERIZATION OF TYPE III ANTIFREEZE PROTEINS FROM THE JRNL TITL 3 EUROPEAN EELPOUT ZOARCES VIVIPARUS. JRNL REF CRYOBIOLOGY V. 69 163 2014 JRNL REFN ISSN 0011-2240 JRNL PMID 25025819 JRNL DOI 10.1016/J.CRYOBIOL.2014.07.003 REMARK 2 REMARK 2 RESOLUTION. 1.20 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) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 61.90 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 46138 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) : 0.180 REMARK 3 R VALUE (WORKING SET) : 0.179 REMARK 3 FREE R VALUE : 0.195 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2463 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) : 1.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.23 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3242 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.86 REMARK 3 BIN R VALUE (WORKING SET) : 0.4120 REMARK 3 BIN FREE R VALUE SET COUNT : 190 REMARK 3 BIN FREE R VALUE : 0.4300 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 912 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 203 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.81 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.14000 REMARK 3 B22 (A**2) : -0.34000 REMARK 3 B33 (A**2) : 0.20000 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): 0.040 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.038 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.023 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.156 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.973 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1001 ; 0.018 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1381 ; 1.819 ; 2.013 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 144 ; 5.654 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 26 ;43.540 ;28.462 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 180 ;10.440 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 173 ; 0.121 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 718 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 461 ; 0.219 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 718 ; 0.310 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 138 ; 0.147 ; 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): 56 ; 0.284 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 22 ; 0.117 ; 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): 694 ; 2.122 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1112 ; 2.847 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 344 ; 3.994 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 262 ; 5.359 ; 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): 1038 ; 2.386 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 205 ; 9.801 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 978 ; 7.178 ; 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 4UR6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 26-JUN-14. REMARK 100 THE DEPOSITION ID IS D_1290061105. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-DEC-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I911-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.03796 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 : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 300182 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 6.200 REMARK 200 R MERGE (I) : 0.03000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.43000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1OPS REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.84 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.5 M (NH4)2SO4, 0.1 M CITRIC ACID, PH REMARK 280 4 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z 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 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 19.12500 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 19.12500 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 37.78500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 54.08500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.78500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 54.08500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 19.12500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.78500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 54.08500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 19.12500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.78500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 54.08500 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1320 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -42.2 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -108.17000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -38.25000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1340 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6310 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.8 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -19.12500 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 ALA A 66 REMARK 465 LYS A 67 REMARK 465 VAL B 64 REMARK 465 PRO B 65 REMARK 465 ALA B 66 REMARK 465 LYS B 67 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 OD1 ASP A 58 O HOH A 2114 2.13 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 SO4 A 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 100 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4UR4 RELATED DB: PDB REMARK 900 STRUCTURE OF THE TYPE III FISH ANTIFREEZE PROTEIN FROM ZOARCES REMARK 900 VIVIPARUS ZVAFP13 DBREF 4UR6 A 2 67 UNP R9S083 R9S083_ZOAVI 23 88 DBREF 4UR6 B 2 67 UNP R9S083 R9S083_ZOAVI 23 88 SEQRES 1 A 66 GLY GLU SER VAL VAL ALA THR GLN LEU ILE PRO ILE ASN SEQRES 2 A 66 THR ALA LEU THR PRO ALA MET MET ALA GLY LYS VAL THR SEQRES 3 A 66 ASN PRO SER GLY ILE PRO PHE ALA GLU MET SER GLN ILE SEQRES 4 A 66 VAL GLY LYS GLN VAL ASN THR PRO VAL ALA LYS GLY GLN SEQRES 5 A 66 THR LEU MET PRO ASP MET VAL LYS THR TYR VAL PRO ALA SEQRES 6 A 66 LYS SEQRES 1 B 66 GLY GLU SER VAL VAL ALA THR GLN LEU ILE PRO ILE ASN SEQRES 2 B 66 THR ALA LEU THR PRO ALA MET MET ALA GLY LYS VAL THR SEQRES 3 B 66 ASN PRO SER GLY ILE PRO PHE ALA GLU MET SER GLN ILE SEQRES 4 B 66 VAL GLY LYS GLN VAL ASN THR PRO VAL ALA LYS GLY GLN SEQRES 5 B 66 THR LEU MET PRO ASP MET VAL LYS THR TYR VAL PRO ALA SEQRES 6 B 66 LYS HET SO4 A 100 5 HET SO4 B 100 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *203(H2 O) HELIX 1 1 THR A 18 ALA A 20 5 3 HELIX 2 2 GLU A 36 VAL A 41 1 6 HELIX 3 3 MET A 56 MET A 59 5 4 HELIX 4 4 THR B 18 ALA B 20 5 3 HELIX 5 5 GLU B 36 VAL B 41 1 6 HELIX 6 6 MET B 56 MET B 59 5 4 SHEET 1 AA 2 SER A 4 ALA A 7 0 SHEET 2 AA 2 MET A 22 LYS A 25 -1 O ALA A 23 N VAL A 6 SHEET 1 BA 2 SER B 4 ALA B 7 0 SHEET 2 BA 2 MET B 22 LYS B 25 -1 O ALA B 23 N VAL B 6 CISPEP 1 ASN A 28 PRO A 29 0 7.50 CISPEP 2 ASN B 28 PRO B 29 0 0.39 SITE 1 AC1 10 GLY A 2 GLU A 3 THR A 18 PRO A 19 SITE 2 AC1 10 ALA A 20 HOH A2004 HOH A2058 HOH A2123 SITE 3 AC1 10 HOH A2124 HOH A2125 SITE 1 AC2 9 GLY B 2 GLU B 3 THR B 18 PRO B 19 SITE 2 AC2 9 ALA B 20 HOH B2003 HOH B2028 HOH B2076 SITE 3 AC2 9 HOH B2078 CRYST1 75.570 108.170 38.250 90.00 90.00 90.00 C 2 2 21 16 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 0.013233 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009245 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026144 0.00000