HEADER ANTIFREEZE PROTEIN 28-OCT-21 7Q3V TITLE RE-REFINED STRUCTURE OF A TYPE III ANTIFREEZE PROTEIN ISOFORM HPLC 12 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYPE-3 ICE-STRUCTURING PROTEIN HPLC 12; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: ANTIFREEZE PROTEIN QAE(HPLC 12),ISP TYPE III HPLC 12; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ZOARCES AMERICANUS; SOURCE 3 ORGANISM_COMMON: OCEAN POUT; SOURCE 4 ORGANISM_TAXID: 8199; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM 83 KEYWDS RESTRAINED MD REFINEMENT SCHEME, AMBER, CRYSTAL UNIT CELL MODEL, KEYWDS 2 ENSEMBLE REFINEMENT, ANTIFREEZE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR O.MIKHAILOVSKII,Y.XUE,Z.JIA,N.R.SKRYNNIKOV REVDAT 3 31-JAN-24 7Q3V 1 REMARK REVDAT 2 27-APR-22 7Q3V 1 JRNL REVDAT 1 20-APR-22 7Q3V 0 JRNL AUTH O.MIKHAILOVSKII,Y.XUE,N.R.SKRYNNIKOV JRNL TITL MODELING A UNIT CELL: CRYSTALLOGRAPHIC REFINEMENT PROCEDURE JRNL TITL 2 USING THE BIOMOLECULAR MD SIMULATION PLATFORM AMBER. JRNL REF IUCRJ V. 9 114 2022 JRNL REFN ESSN 2052-2525 JRNL PMID 35059216 JRNL DOI 10.1107/S2052252521011891 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER REMARK 3 AUTHORS : PEARLMAN,CASE,CALDWELL,ROSS,CHEATHAM, REMARK 3 : FERGUSON,SEIBEL,SINGH,WEINER,KOLLMAN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.86 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 17720 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.160 REMARK 3 FREE R VALUE : 0.194 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.870 REMARK 3 FREE R VALUE TEST SET COUNT : 1749 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.96 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1284 REMARK 3 BIN R VALUE (WORKING SET) : 0.1904 REMARK 3 BIN FREE R VALUE : 0.2499 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 134 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1952 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.11 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE ORIGINAL STRUCTURE, 2MSI, HAS BEEN REMARK 3 EXPANDED INTO A CRYSTAL UNIT CELL (CONTAINING FOUR PROTEIN REMARK 3 CHAINS); THE RESULTING MODEL WAS SUBSEQUENTLY REFINED THROUGH A REMARK 3 SPECIALLY DESIGNED CONSTRAINED MD RUN USING A CUSTOMIZED VERSION REMARK 3 OF THE PROGRAM AMBER. NOTE: ORDERED WATER MOLECULES ARE ADDED REMARK 3 AFTER THE REFINEMENT USING THE STANDARD WATER-PICKING FACILITY REMARK 3 OF PHENIX.REFINE. REMARK 4 REMARK 4 7Q3V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-OCT-21. REMARK 100 THE DEPOSITION ID IS D_1292118347. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JUL-96 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54180 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19230 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 14.860 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07700 REMARK 200 FOR THE DATA SET : 7.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.30600 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: 1MSI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50-55% AMMONIUM SULFATE, 0.1 M SODIUM REMARK 280 ACETATE PH 4-4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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 REMARK 350 BIOMOLECULE: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D 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 HE22 GLN D 9 O HOH D 102 0.91 REMARK 500 HB3 ALA D 65 O HOH D 101 1.34 REMARK 500 HH22 ARG B 23 O HOH B 104 1.51 REMARK 500 HH22 ARG C 23 O HOH C 101 1.53 REMARK 500 N ALA D 65 O HOH D 101 1.82 REMARK 500 CB ALA D 65 O HOH D 101 1.88 REMARK 500 NE2 GLN D 9 O HOH D 102 1.89 REMARK 500 C ALA D 64 O HOH D 101 1.92 REMARK 500 O ALA D 64 O HOH D 101 2.06 REMARK 500 O HOH B 110 O HOH C 101 2.10 REMARK 500 O ALA B 65 O HOH B 101 2.17 REMARK 500 CA ALA D 65 O HOH D 101 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 23 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 39 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG B 23 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG B 39 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG C 23 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG D 23 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG D 39 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 142 DISTANCE = 6.81 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2MSI RELATED DB: PDB REMARK 900 CURRENT MODEL REPRESENTS THE CRYSTAL UNIT CELL CONSTRUCTED FROM REMARK 900 2MSI AND SUBJECTED TO MD-BASED RE-REFINEMENT DBREF 7Q3V A 2 63 UNP P19614 ANP12_ZOAAM 2 63 DBREF 7Q3V B 2 63 UNP P19614 ANP12_ZOAAM 2 63 DBREF 7Q3V C 2 63 UNP P19614 ANP12_ZOAAM 2 63 DBREF 7Q3V D 2 63 UNP P19614 ANP12_ZOAAM 2 63 SEQADV 7Q3V MET A 0 UNP P19614 INITIATING METHIONINE SEQADV 7Q3V ALA A 1 UNP P19614 EXPRESSION TAG SEQADV 7Q3V MET A 16 UNP P19614 ALA 16 ENGINEERED MUTATION SEQADV 7Q3V ALA A 64 UNP P19614 EXPRESSION TAG SEQADV 7Q3V ALA A 65 UNP P19614 EXPRESSION TAG SEQADV 7Q3V MET B 0 UNP P19614 INITIATING METHIONINE SEQADV 7Q3V ALA B 1 UNP P19614 EXPRESSION TAG SEQADV 7Q3V MET B 16 UNP P19614 ALA 16 ENGINEERED MUTATION SEQADV 7Q3V ALA B 64 UNP P19614 EXPRESSION TAG SEQADV 7Q3V ALA B 65 UNP P19614 EXPRESSION TAG SEQADV 7Q3V MET C 0 UNP P19614 INITIATING METHIONINE SEQADV 7Q3V ALA C 1 UNP P19614 EXPRESSION TAG SEQADV 7Q3V MET C 16 UNP P19614 ALA 16 ENGINEERED MUTATION SEQADV 7Q3V ALA C 64 UNP P19614 EXPRESSION TAG SEQADV 7Q3V ALA C 65 UNP P19614 EXPRESSION TAG SEQADV 7Q3V MET D 0 UNP P19614 INITIATING METHIONINE SEQADV 7Q3V ALA D 1 UNP P19614 EXPRESSION TAG SEQADV 7Q3V MET D 16 UNP P19614 ALA 16 ENGINEERED MUTATION SEQADV 7Q3V ALA D 64 UNP P19614 EXPRESSION TAG SEQADV 7Q3V ALA D 65 UNP P19614 EXPRESSION TAG SEQRES 1 A 66 MET ALA GLN ALA SER VAL VAL ALA ASN GLN LEU ILE PRO SEQRES 2 A 66 ILE ASN THR MET LEU THR LEU VAL MET MET ARG SER GLU SEQRES 3 A 66 VAL VAL THR PRO VAL GLY ILE PRO ALA GLU ASP ILE PRO SEQRES 4 A 66 ARG LEU VAL SER MET GLN VAL ASN ARG ALA VAL PRO LEU SEQRES 5 A 66 GLY THR THR LEU MET PRO ASP MET VAL LYS GLY TYR ALA SEQRES 6 A 66 ALA SEQRES 1 B 66 MET ALA GLN ALA SER VAL VAL ALA ASN GLN LEU ILE PRO SEQRES 2 B 66 ILE ASN THR MET LEU THR LEU VAL MET MET ARG SER GLU SEQRES 3 B 66 VAL VAL THR PRO VAL GLY ILE PRO ALA GLU ASP ILE PRO SEQRES 4 B 66 ARG LEU VAL SER MET GLN VAL ASN ARG ALA VAL PRO LEU SEQRES 5 B 66 GLY THR THR LEU MET PRO ASP MET VAL LYS GLY TYR ALA SEQRES 6 B 66 ALA SEQRES 1 C 66 MET ALA GLN ALA SER VAL VAL ALA ASN GLN LEU ILE PRO SEQRES 2 C 66 ILE ASN THR MET LEU THR LEU VAL MET MET ARG SER GLU SEQRES 3 C 66 VAL VAL THR PRO VAL GLY ILE PRO ALA GLU ASP ILE PRO SEQRES 4 C 66 ARG LEU VAL SER MET GLN VAL ASN ARG ALA VAL PRO LEU SEQRES 5 C 66 GLY THR THR LEU MET PRO ASP MET VAL LYS GLY TYR ALA SEQRES 6 C 66 ALA SEQRES 1 D 66 MET ALA GLN ALA SER VAL VAL ALA ASN GLN LEU ILE PRO SEQRES 2 D 66 ILE ASN THR MET LEU THR LEU VAL MET MET ARG SER GLU SEQRES 3 D 66 VAL VAL THR PRO VAL GLY ILE PRO ALA GLU ASP ILE PRO SEQRES 4 D 66 ARG LEU VAL SER MET GLN VAL ASN ARG ALA VAL PRO LEU SEQRES 5 D 66 GLY THR THR LEU MET PRO ASP MET VAL LYS GLY TYR ALA SEQRES 6 D 66 ALA FORMUL 5 HOH *155(H2 O) HELIX 1 AA1 THR A 18 VAL A 20 5 3 HELIX 2 AA2 PRO A 33 GLU A 35 5 3 HELIX 3 AA3 ASP A 36 VAL A 41 1 6 HELIX 4 AA4 MET A 56 VAL A 60 5 5 HELIX 5 AA5 THR B 18 VAL B 20 5 3 HELIX 6 AA6 PRO B 33 GLU B 35 5 3 HELIX 7 AA7 ASP B 36 VAL B 41 1 6 HELIX 8 AA8 MET B 56 VAL B 60 5 5 HELIX 9 AA9 THR C 18 VAL C 20 5 3 HELIX 10 AB1 PRO C 33 GLU C 35 5 3 HELIX 11 AB2 ASP C 36 VAL C 41 1 6 HELIX 12 AB3 MET C 56 VAL C 60 5 5 HELIX 13 AB4 THR D 18 VAL D 20 5 3 HELIX 14 AB5 PRO D 33 GLU D 35 5 3 HELIX 15 AB6 ASP D 36 VAL D 41 1 6 HELIX 16 AB7 MET D 56 VAL D 60 5 5 SHEET 1 AA1 2 SER A 4 ALA A 7 0 SHEET 2 AA1 2 MET A 22 GLU A 25 -1 O GLU A 25 N SER A 4 SHEET 1 AA2 2 SER B 4 ALA B 7 0 SHEET 2 AA2 2 MET B 22 GLU B 25 -1 O GLU B 25 N SER B 4 SHEET 1 AA3 2 SER C 4 ALA C 7 0 SHEET 2 AA3 2 MET C 22 GLU C 25 -1 O GLU C 25 N SER C 4 SHEET 1 AA4 2 SER D 4 ALA D 7 0 SHEET 2 AA4 2 MET D 22 GLU D 25 -1 O GLU D 25 N SER D 4 CISPEP 1 THR A 28 PRO A 29 0 -2.09 CISPEP 2 THR B 28 PRO B 29 0 -1.23 CISPEP 3 THR C 28 PRO C 29 0 -5.21 CISPEP 4 THR D 28 PRO D 29 0 -2.40 CRYST1 33.270 39.890 44.540 90.00 90.00 90.00 P 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 0.030057 0.000000 0.000000 0.00000 SCALE2 0.000000 0.025069 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022452 0.00000