HEADER ANTIBIOTIC 08-DEC-87 1AMT TITLE CRYSTAL STRUCTURE OF ALAMETHICIN AT 1.5 ANGSTROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALAMETHICIN F30; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: ALAMETHICIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: TRICHODERMA VIRIDE; SOURCE 4 ORGANISM_TAXID: 5547 KEYWDS ALAMETHICIN, PEPTAIBOL, ANTIBACTERIAL, ANTIFUNGAL, ANTIBIOTIC EXPDTA X-RAY DIFFRACTION AUTHOR R.O.FOX,F.M.RICHARDS REVDAT 8 26-MAR-25 1AMT 1 REMARK HETSYN LINK REVDAT 7 01-NOV-17 1AMT 1 REMARK REVDAT 6 27-JUL-11 1AMT 1 REMARK REVDAT 5 13-JUL-11 1AMT 1 VERSN REVDAT 4 24-FEB-09 1AMT 1 VERSN REVDAT 3 01-APR-03 1AMT 1 JRNL REVDAT 2 15-JAN-91 1AMT 3 ATOM CONECT REVDAT 1 09-OCT-88 1AMT 0 JRNL AUTH R.O.FOX JR,F.M.RICHARDS JRNL TITL A VOLTAGE-GATED ION CHANNEL MODEL INFERRED FROM THE CRYSTAL JRNL TITL 2 STRUCTURE OF ALAMETHICIN AT 1.5-A RESOLUTION. JRNL REF NATURE V. 300 325 1982 JRNL REFN ISSN 0028-0836 JRNL PMID 6292726 JRNL DOI 10.1038/300325A0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.O.FOX REMARK 1 TITL THE CRYSTAL STRUCTURE OF ALAMETHICIN AT 1.5 ANGSTROMS REMARK 1 TITL 2 RESOLUTION REMARK 1 REF THESIS, YALE REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 5458 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.155 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 417 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.040 ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AMT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171011. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 28.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 14.81000 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: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2950 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -22.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 400 REMARK 400 COMPOUND REMARK 400 ALAMETHICIN F30 IS LINEAR PEPTIDE, A MEMBER OF THE PEPTAIBOL REMARK 400 FAMILY OF MEMBRANE CHANNEL FORMING PEPTIDES. REMARK 400 HERE, ALAMETHICIN F30 IS REPRESENTED BY THE SEQUENCE (SEQRES) REMARK 400 REMARK 400 THE ALAMETHICIN IS PEPTAIBOL, A MEMBER OF ANTIBIOTIC CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: ALAMETHICIN REMARK 400 CHAIN: A, B, C REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: ALAMETHICIN F30 IS AN EICOSAMERIC HELICAL PEPTIDE. REMARK 400 THE N-TERM IS ACETYLATED (RESIDUE 0) REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ACE A 0 C AIB A 1 N -0.193 REMARK 500 AIB A 3 C ALA A 4 N -0.162 REMARK 500 GLU A 18 CD GLU A 18 OE2 -0.149 REMARK 500 ALA B 6 C GLN B 7 N -0.151 REMARK 500 GLY B 11 C GLY B 11 O 0.131 REMARK 500 AIB B 13 C PRO B 14 N -0.118 REMARK 500 VAL B 15 C VAL B 15 O 0.133 REMARK 500 GLU B 18 C GLU B 18 O 0.167 REMARK 500 GLN B 19 CD GLN B 19 NE2 -0.215 REMARK 500 PRO C 2 C PRO C 2 O 0.130 REMARK 500 AIB C 5 C ALA C 6 N -0.142 REMARK 500 GLU C 18 CD GLU C 18 OE1 -0.112 REMARK 500 GLU C 18 C GLU C 18 O 0.162 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 VAL A 15 CG1 - CB - CG2 ANGL. DEV. = 10.4 DEGREES REMARK 500 VAL A 15 CA - CB - CG2 ANGL. DEV. = -9.3 DEGREES REMARK 500 ALA B 6 CA - C - N ANGL. DEV. = 13.3 DEGREES REMARK 500 GLY B 11 CA - C - N ANGL. DEV. = 14.3 DEGREES REMARK 500 GLY B 11 O - C - N ANGL. DEV. = -11.3 DEGREES REMARK 500 PRO B 14 CB - CA - C ANGL. DEV. = 16.9 DEGREES REMARK 500 VAL B 15 O - C - N ANGL. DEV. = -13.6 DEGREES REMARK 500 AIB B 16 C - N - CA ANGL. DEV. = 18.4 DEGREES REMARK 500 GLU B 18 OE1 - CD - OE2 ANGL. DEV. = -9.6 DEGREES REMARK 500 GLY C 11 CA - C - O ANGL. DEV. = -15.8 DEGREES REMARK 500 AIB C 17 CA - C - N ANGL. DEV. = 13.6 DEGREES REMARK 500 AIB C 17 O - C - N ANGL. DEV. = -10.2 DEGREES REMARK 500 GLU C 18 OE1 - CD - OE2 ANGL. DEV. = -8.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 VAL A 15 13.13 REMARK 500 GLY C 11 10.83 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 CCN B 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CCN A 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN A OF ALAMETHICIN F30 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN B OF ALAMETHICIN F30 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN C OF ALAMETHICIN F30 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1M24 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL TRICHOTOXIN_A50E REMARK 900 RELATED ID: 1R9U RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL ZERVAMICIN IIB IN METHANOL REMARK 900 RELATED ID: 1DLZ RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTIABOL ZERVAMICIN IIB REMARK 900 RELATED ID: 1IH9 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL ZERVAMICIN IIB BOUND TO DPC REMARK 900 MICELLES REMARK 900 RELATED ID: 1GQ0 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL ANTIAMOEBIN I REMARK 900 RELATED ID: 1JOH RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL ANTIAMOEBIN I REMARK 900 RELATED ID: 1EE7 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL CHRYSOSPERMIN C BOUND TO DPC REMARK 900 MICELLES REMARK 900 RELATED ID: 1OB7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL C REMARK 900 RELATED ID: 1OB6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL B REMARK 900 RELATED ID: 1OB4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL A DBREF 1AMT A 0 20 NOR NOR00010 NOR00010 0 20 DBREF 1AMT B 0 20 NOR NOR00010 NOR00010 0 20 DBREF 1AMT C 0 20 NOR NOR00010 NOR00010 0 20 SEQRES 1 A 21 ACE AIB PRO AIB ALA AIB ALA GLN AIB VAL AIB GLY LEU SEQRES 2 A 21 AIB PRO VAL AIB AIB GLU GLN PHL SEQRES 1 B 21 ACE AIB PRO AIB ALA AIB ALA GLN AIB VAL AIB GLY LEU SEQRES 2 B 21 AIB PRO VAL AIB AIB GLU GLN PHL SEQRES 1 C 21 ACE AIB PRO AIB ALA AIB ALA GLN AIB VAL AIB GLY LEU SEQRES 2 C 21 AIB PRO VAL AIB AIB GLU GLN PHL HET ACE A 0 3 HET AIB A 1 6 HET AIB A 3 6 HET AIB A 5 6 HET AIB A 8 6 HET AIB A 10 6 HET AIB A 13 6 HET AIB A 16 6 HET AIB A 17 6 HET PHL A 20 11 HET ACE B 0 3 HET AIB B 1 6 HET AIB B 3 6 HET AIB B 5 6 HET AIB B 8 6 HET AIB B 10 6 HET AIB B 13 6 HET AIB B 16 6 HET AIB B 17 6 HET PHL B 20 11 HET ACE C 0 3 HET AIB C 1 6 HET AIB C 3 6 HET AIB C 5 6 HET AIB C 8 6 HET AIB C 10 6 HET AIB C 13 6 HET AIB C 16 6 HET AIB C 17 6 HET PHL C 20 11 HET CCN A 22 3 HET MOH A 23 2 HET CCN B 22 3 HET MOH B 23 2 HET MOH B 24 2 HET MOH B 25 2 HET MOH B 26 2 HET MOH B 27 2 HET MOH B 28 2 HET MOH B 29 2 HET MOH B 30 2 HET MOH C 22 2 HET MOH C 23 2 HET MOH C 24 2 HET MOH C 25 2 HETNAM ACE ACETYL GROUP HETNAM AIB ALPHA-AMINOISOBUTYRIC ACID HETNAM PHL L-PHENYLALANINOL HETNAM CCN ACETONITRILE HETNAM MOH METHANOL HETSYN PHL BOUND FORM OF PHENYLALANINAL FORMUL 1 ACE 3(C2 H4 O) FORMUL 1 AIB 24(C4 H9 N O2) FORMUL 1 PHL 3(C9 H13 N O) FORMUL 4 CCN 2(C2 H3 N) FORMUL 5 MOH 13(C H4 O) HELIX 1 1 AIB A 1 GLU A 18 1 18 HELIX 2 2 AIB B 1 PHL B 20 1 20 HELIX 3 3 AIB C 1 LEU C 12 1 12 HELIX 4 4 LEU C 12 PHL C 20 1 9 LINK C ACE A 0 N AIB A 1 1555 1555 1.14 LINK C AIB A 1 N PRO A 2 1555 1555 1.25 LINK C PRO A 2 N AIB A 3 1555 1555 1.28 LINK C AIB A 3 N ALA A 4 1555 1555 1.17 LINK C ALA A 4 N AIB A 5 1555 1555 1.24 LINK C AIB A 5 N ALA A 6 1555 1555 1.28 LINK C GLN A 7 N AIB A 8 1555 1555 1.25 LINK C AIB A 8 N VAL A 9 1555 1555 1.26 LINK C VAL A 9 N AIB A 10 1555 1555 1.41 LINK C AIB A 10 N GLY A 11 1555 1555 1.31 LINK C LEU A 12 N AIB A 13 1555 1555 1.33 LINK C AIB A 13 N PRO A 14 1555 1555 1.32 LINK C VAL A 15 N AIB A 16 1555 1555 1.32 LINK C AIB A 16 N AIB A 17 1555 1555 1.34 LINK C AIB A 17 N GLU A 18 1555 1555 1.36 LINK C GLN A 19 N PHL A 20 1555 1555 1.32 LINK C ACE B 0 N AIB B 1 1555 1555 1.25 LINK C AIB B 1 N PRO B 2 1555 1555 1.32 LINK C PRO B 2 N AIB B 3 1555 1555 1.23 LINK C AIB B 3 N ALA B 4 1555 1555 1.28 LINK C ALA B 4 N AIB B 5 1555 1555 1.29 LINK C AIB B 5 N ALA B 6 1555 1555 1.34 LINK C GLN B 7 N AIB B 8 1555 1555 1.34 LINK C AIB B 8 N VAL B 9 1555 1555 1.27 LINK C VAL B 9 N AIB B 10 1555 1555 1.33 LINK C AIB B 10 N GLY B 11 1555 1555 1.21 LINK C LEU B 12 N AIB B 13 1555 1555 1.28 LINK C AIB B 13 N PRO B 14 1555 1555 1.22 LINK C VAL B 15 N AIB B 16 1555 1555 1.24 LINK C AIB B 16 N AIB B 17 1555 1555 1.29 LINK C AIB B 17 N GLU B 18 1555 1555 1.31 LINK C GLN B 19 N PHL B 20 1555 1555 1.37 LINK C ACE C 0 N AIB C 1 1555 1555 1.25 LINK C AIB C 1 N PRO C 2 1555 1555 1.30 LINK C PRO C 2 N AIB C 3 1555 1555 1.20 LINK C AIB C 3 N ALA C 4 1555 1555 1.24 LINK C ALA C 4 N AIB C 5 1555 1555 1.30 LINK C AIB C 5 N ALA C 6 1555 1555 1.19 LINK C GLN C 7 N AIB C 8 1555 1555 1.33 LINK C AIB C 8 N VAL C 9 1555 1555 1.24 LINK C VAL C 9 N AIB C 10 1555 1555 1.26 LINK C AIB C 10 N GLY C 11 1555 1555 1.37 LINK C LEU C 12 N AIB C 13 1555 1555 1.31 LINK C AIB C 13 N PRO C 14 1555 1555 1.26 LINK C VAL C 15 N AIB C 16 1555 1555 1.38 LINK C AIB C 16 N AIB C 17 1555 1555 1.29 LINK C AIB C 17 N GLU C 18 1555 1555 1.25 LINK C GLN C 19 N PHL C 20 1555 1555 1.32 SITE 1 AC1 2 ALA B 4 AIB C 5 SITE 1 AC2 3 GLU A 18 AIB C 17 PHL C 20 SITE 1 AC3 8 CCN A 22 ACE B 0 GLN B 7 GLU B 18 SITE 2 AC3 8 PRO C 2 AIB C 3 GLN C 7 PHL C 20 SITE 1 AC4 12 AIB A 1 AIB A 5 GLN A 19 CCN B 22 SITE 2 AC4 12 ALA C 4 GLN C 7 GLY C 11 LEU C 12 SITE 3 AC4 12 PRO C 14 GLU C 18 GLN C 19 PHL C 20 SITE 1 AC5 14 AIB A 1 ALA A 4 GLN A 19 PHL A 20 SITE 2 AC5 14 CCN A 22 ACE B 0 ALA B 6 GLN B 7 SITE 3 AC5 14 AIB B 10 PRO B 14 VAL B 15 GLU B 18 SITE 4 AC5 14 GLN B 19 CCN B 22 CRYST1 33.330 29.620 23.200 90.00 120.40 90.00 P 1 21 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 0.030003 0.000000 0.017603 0.00000 SCALE2 0.000000 0.033761 0.000000 0.00000 SCALE3 0.000000 0.000000 0.049974 0.00000 CONECT 1 2 3 4 CONECT 2 1 CONECT 3 1 CONECT 4 1 5 CONECT 5 4 6 8 9 CONECT 6 5 7 10 CONECT 7 6 CONECT 8 5 CONECT 9 5 CONECT 10 6 CONECT 12 17 CONECT 17 12 18 CONECT 18 17 19 21 22 CONECT 19 18 20 23 CONECT 20 19 CONECT 21 18 CONECT 22 18 CONECT 23 19 CONECT 25 28 CONECT 28 25 29 CONECT 29 28 30 32 33 CONECT 30 29 31 34 CONECT 31 30 CONECT 32 29 CONECT 33 29 CONECT 34 30 CONECT 41 48 CONECT 48 41 49 CONECT 49 48 50 52 53 CONECT 50 49 51 54 CONECT 51 50 CONECT 52 49 CONECT 53 49 CONECT 54 50 CONECT 56 61 CONECT 61 56 62 CONECT 62 61 63 65 66 CONECT 63 62 64 67 CONECT 64 63 CONECT 65 62 CONECT 66 62 CONECT 67 63 CONECT 73 79 CONECT 79 73 80 CONECT 80 79 81 83 84 CONECT 81 80 82 85 CONECT 82 81 CONECT 83 80 CONECT 84 80 CONECT 85 81 CONECT 94 99 CONECT 99 94 100 CONECT 100 99 101 103 104 CONECT 101 100 102 105 CONECT 102 101 CONECT 103 100 CONECT 104 100 CONECT 105 101 106 CONECT 106 105 107 109 110 CONECT 107 106 108 111 CONECT 108 107 CONECT 109 106 CONECT 110 106 CONECT 111 107 CONECT 122 129 CONECT 129 122 130 CONECT 130 129 131 133 CONECT 131 130 132 CONECT 132 131 CONECT 133 130 134 CONECT 134 133 135 136 CONECT 135 134 137 CONECT 136 134 138 CONECT 137 135 139 CONECT 138 136 139 CONECT 139 137 138 CONECT 141 142 143 144 CONECT 142 141 CONECT 143 141 CONECT 144 141 145 CONECT 145 144 146 148 149 CONECT 146 145 147 150 CONECT 147 146 CONECT 148 145 CONECT 149 145 CONECT 150 146 CONECT 152 157 CONECT 157 152 158 CONECT 158 157 159 161 162 CONECT 159 158 160 163 CONECT 160 159 CONECT 161 158 CONECT 162 158 CONECT 163 159 CONECT 165 168 CONECT 168 165 169 CONECT 169 168 170 172 173 CONECT 170 169 171 174 CONECT 171 170 CONECT 172 169 CONECT 173 169 CONECT 174 170 CONECT 181 188 CONECT 188 181 189 CONECT 189 188 190 192 193 CONECT 190 189 191 194 CONECT 191 190 CONECT 192 189 CONECT 193 189 CONECT 194 190 CONECT 196 201 CONECT 201 196 202 CONECT 202 201 203 205 206 CONECT 203 202 204 207 CONECT 204 203 CONECT 205 202 CONECT 206 202 CONECT 207 203 CONECT 213 219 CONECT 219 213 220 CONECT 220 219 221 223 224 CONECT 221 220 222 225 CONECT 222 221 CONECT 223 220 CONECT 224 220 CONECT 225 221 CONECT 234 239 CONECT 239 234 240 CONECT 240 239 241 243 244 CONECT 241 240 242 245 CONECT 242 241 CONECT 243 240 CONECT 244 240 CONECT 245 241 246 CONECT 246 245 247 249 250 CONECT 247 246 248 251 CONECT 248 247 CONECT 249 246 CONECT 250 246 CONECT 251 247 CONECT 262 269 CONECT 269 262 270 CONECT 270 269 271 273 CONECT 271 270 272 CONECT 272 271 CONECT 273 270 274 CONECT 274 273 275 276 CONECT 275 274 277 CONECT 276 274 278 CONECT 277 275 279 CONECT 278 276 279 CONECT 279 277 278 CONECT 281 282 283 284 CONECT 282 281 CONECT 283 281 CONECT 284 281 285 CONECT 285 284 286 288 289 CONECT 286 285 287 290 CONECT 287 286 CONECT 288 285 CONECT 289 285 CONECT 290 286 CONECT 292 297 CONECT 297 292 298 CONECT 298 297 299 301 302 CONECT 299 298 300 303 CONECT 300 299 CONECT 301 298 CONECT 302 298 CONECT 303 299 CONECT 305 308 CONECT 308 305 309 CONECT 309 308 310 312 313 CONECT 310 309 311 314 CONECT 311 310 CONECT 312 309 CONECT 313 309 CONECT 314 310 CONECT 321 328 CONECT 328 321 329 CONECT 329 328 330 332 333 CONECT 330 329 331 334 CONECT 331 330 CONECT 332 329 CONECT 333 329 CONECT 334 330 CONECT 336 341 CONECT 341 336 342 CONECT 342 341 343 345 346 CONECT 343 342 344 347 CONECT 344 343 CONECT 345 342 CONECT 346 342 CONECT 347 343 CONECT 353 359 CONECT 359 353 360 CONECT 360 359 361 363 364 CONECT 361 360 362 365 CONECT 362 361 CONECT 363 360 CONECT 364 360 CONECT 365 361 CONECT 374 379 CONECT 379 374 380 CONECT 380 379 381 383 384 CONECT 381 380 382 385 CONECT 382 381 CONECT 383 380 CONECT 384 380 CONECT 385 381 386 CONECT 386 385 387 389 390 CONECT 387 386 388 391 CONECT 388 387 CONECT 389 386 CONECT 390 386 CONECT 391 387 CONECT 402 409 CONECT 409 402 410 CONECT 410 409 411 413 CONECT 411 410 412 CONECT 412 411 CONECT 413 410 414 CONECT 414 413 415 416 CONECT 415 414 417 CONECT 416 414 418 CONECT 417 415 419 CONECT 418 416 419 CONECT 419 417 418 CONECT 421 422 CONECT 422 421 423 CONECT 423 422 CONECT 424 425 CONECT 425 424 CONECT 426 427 CONECT 427 426 428 CONECT 428 427 CONECT 429 430 CONECT 430 429 CONECT 431 432 CONECT 432 431 CONECT 433 434 CONECT 434 433 CONECT 435 436 CONECT 436 435 CONECT 437 438 CONECT 438 437 CONECT 439 440 CONECT 440 439 CONECT 441 442 CONECT 442 441 CONECT 443 444 CONECT 444 443 CONECT 445 446 CONECT 446 445 CONECT 447 448 CONECT 448 447 CONECT 449 450 CONECT 450 449 CONECT 451 452 CONECT 452 451 MASTER 332 0 45 4 0 0 11 6 449 3 260 6 END