1ALZ - Header Asymmetric Unit

HEADER ANTIBIOTIC 06-JUN-97 1ALZ

TITLE GRAMICIDIN D FROM BACILLUS BREVIS (ETHANOL SOLVATE)

COMPND MOL_ID: 1; COMPND 2 MOLECULE: ILE-GRAMICIDIN C; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: VAL-GRAMICIDIN A; COMPND 6 CHAIN: B

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BREVIBACILLUS BREVIS; SOURCE 3 ORGANISM_TAXID: 1393; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: BREVIBACILLUS BREVIS; SOURCE 6 ORGANISM_TAXID: 1393

KEYWDS GRAMICIDIN, ANTIFUNGAL, ANTIBIOTIC, ANTIBACTERIAL, MEMBRANE ION KEYWDS 2 CHANNEL, LINEAR GRAMICIDIN

EXPDTA X-RAY DIFFRACTION

AUTHOR B.M.BURKHART,W.A.PANGBORN,W.L.DUAX,D.A.LANGS

REVDAT 4 27-JUL-11 1ALZ 1 ATOM DBREF HETATM REMARK REVDAT 4 2 1 SEQRES REVDAT 3 13-JUL-11 1ALZ 1 VERSN REVDAT 2 24-FEB-09 1ALZ 1 VERSN REVDAT 1 04-MAR-98 1ALZ 0

SPRSDE 04-MAR-98 1ALZ 1GMA

JRNL AUTH B.M.BURKHART,R.M.GASSMAN,D.A.LANGS,W.A.PANGBORN,W.L.DUAX JRNL TITL HETERODIMER FORMATION AND CRYSTAL NUCLEATION OF GRAMICIDIN D JRNL REF BIOPHYS.J. V. 75 2135 1998 JRNL REFN ISSN 0006-3495 JRNL PMID 9788907 JRNL DOI 10.1016/S0006-3495(98)77656-8

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.A.LANGS REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE AT 0.86 A OF THE UNCOMPLEXED REMARK 1 TITL 2 FORM OF THE TRANSMEMBRANE ION CHANNEL PEPTIDE GRAMICIDIN A. REMARK 1 REF SCIENCE V. 241 188 1988 REMARK 1 REFN ISSN 0036-8075 REMARK 1 PMID 2455345 REMARK 1 DOI 10.1126/SCIENCE.2455345

REMARK 2 REMARK 2 RESOLUTION. 0.86 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.86 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 CROSS-VALIDATION METHOD : FREE R VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : 5% OF REFLECTIONS IN THIN REMARK 3 RESOLUTION SHELLS. REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.162 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.162 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.185 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1033 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 21454 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.108 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.108 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.131 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 484 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 10782 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 294 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 42 REMARK 3 SOLVENT ATOMS : 1 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 312.16 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 365.06 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 5 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 3464 REMARK 3 NUMBER OF RESTRAINTS : 5742 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 ANGLE DISTANCES (A) : 0.032 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.339 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.114 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.113 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.030 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.036 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER (G = 0.22140 U = 1.29472) REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: MODIFIED ENGH AND HUBER FOR ETHANOLAMINE BASED ON REMARK 3 SERINE REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1ALZ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JAN-87 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : CONVENTIONAL CU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SIEMENS REMARK 200 DATA SCALING SOFTWARE : SIEMENS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21454 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.860 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 1.100 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : 0.04300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.86 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.10 REMARK 200 R MERGE FOR SHELL (I) : 0.04300 REMARK 200 R SYM FOR SHELL (I) : 0.04300 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIRECT METHODS, FOURIER REMARK 200 RECYCLING REMARK 200 SOFTWARE USED: SHELXL-97 REMARK 200 STARTING MODEL: NULL 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): 1.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZED BY BATCH METHODS FROM A REMARK 280 SATURATED SOLUTION OF GRAMICIDIN D IN ETHANOL., PH 7.0, BATCH REMARK 280 METHOD

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 15.79750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 12.10950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 16.18450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 12.10950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 15.79750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 16.18450 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 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2780 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5160 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -0.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 400 REMARK 400 COMPOUND REMARK 400 GRAMICIDIN IS D HETEROGENEOUS MIXTURE OF SEVERAL COMPOUNDS REMARK 400 INCLUDING GRAMICIDIN A, B AND C WHICH ARE OBTAINED FROM REMARK 400 BACILLUS BREVIS AND CALLED COLLECTIVELY GRAMICIDIN D. REMARK 400 HERE, GRAMICIDIN D IS REPRESENTED BY THE SEQUENCE (SEQRES) REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: GRAMICIDIN C REMARK 400 CHAIN: A REMARK 400 COMPONENT_1: PEPTIDE LIKE SEQUENCE RESIDUES 1 TO 16 REMARK 400 DESCRIPTION: GRAMICIDIN C IS A HEXADECAMERIC HELICAL PEPTIDE REMARK 400 WITH ALTERNATING D,L CHARACTERISTICS. REMARK 400 THE N-TERM IS FORMYLATED (RESIDUE 1). REMARK 400 THE C-TERM IS CAPPED WITH ETHANOLAMINE (RESIDUE 16). REMARK 400 THE SEQUENCE IS FOR THE MAJOR COMPONENT GRAMICIDIN C REMARK 400 (QIL1) AND (TRP11) WHILE THE MINOR COMPONENT (FVA1) REMARK 400 AND (TYR11), IS REPRESENTED BY SEQADV WITH REMARK 400 MICROHETEROGENEITY. REMARK 400 NOTE: QIL1 AND FVA1 ARE THE FORMYLATED ILE1 AND VAL1, REMARK 400 RESPECTIVELY. REMARK 400 GROUP: 2 REMARK 400 NAME: GRAMICIDIN A REMARK 400 CHAIN: B REMARK 400 COMPONENT_1: PEPTIDE LIKE SEQUENCE RESIDUES 1 TO 16 REMARK 400 DESCRIPTION: GRAMICIDIN D IS A HEXADECAMERIC HELICAL PEPTIDE REMARK 400 WITH ALTERNATING D,L CHARACTERISTICS. REMARK 400 THE N-TERM IS FORMYLATED (RESIDUE 1) AND REMARK 400 ETHANOLAMINE AT THE C-TERM (RESIDUE 16).

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 O EOH A 510 HO EOH A 511 1.06 REMARK 500 HO EOH B 502 HO EOH B 508 1.08 REMARK 500 HE1 TRP A 9 HO EOH A 507 1.24 REMARK 500 HO ETA B 16 HO EOH A 513 1.25 REMARK 500 HO EOH A 512 HO EOH A 514 1.37 REMARK 500 HE1 TRP A 15 HO EOH A 509 1.39 REMARK 500 HD13 DLE A 12 HD13 DLE B 4 1.48 REMARK 500 O EOH A 510 O EOH A 511 1.88 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 H21 EOH A 504 H23 EOH B 506 1545 1.04 REMARK 500 HO EOH A 514 H11 EOH B 506 4576 1.08 REMARK 500 O EOH A 514 H11 EOH B 506 4576 1.21 REMARK 500 HE1 TYR A 11 H21 EOH B 506 3645 1.50 REMARK 500 HO EOH A 514 C1 EOH B 506 4576 1.56 REMARK 500 O EOH A 514 C1 EOH B 506 4576 1.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ALA A 5 87.86 -160.49 REMARK 500 TRP A 13 85.09 -158.33 REMARK 500 ALA B 5 86.68 -156.81 REMARK 500 TRP B 13 87.94 -161.47 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 EOH A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 507 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 509 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 510 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 511 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 512 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 513 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 514 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 506 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 508 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN A OF ILE-GRAMICIDIN C REMARK 800 REMARK 800 SITE_IDENTIFIER: BC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN B OF VAL-GRAMICIDIN A

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1TK2 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN S COMPLEXED WITH ALKALINE REMARK 900 PROTEINASE SAVINASE REMARK 900 RELATED ID: 2XDC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN A FROM CRYSTALS GROWN IN A REMARK 900 LIPID CUBIC PHASE. REMARK 900 RELATED ID: 1AV2 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN A COMPLEXED WITH CESIUM REMARK 900 CHLORIDE REMARK 900 RELATED ID: 1BDW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN A FROM BACILLUS BREVIS REMARK 900 RELATED ID: 1C4D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN A COMPLEXED WITH CESIUM REMARK 900 CHLORIDE REMARK 900 RELATED ID: 1GMK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN A COMPLRXED WITH POTASSIUM REMARK 900 THIOCYANATE REMARK 900 RELATED ID: 1GRM RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE GRAMICIDIN A REMARK 900 RELATED ID: 1JNO RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN A IN SODIUM DODECYL REMARK 900 SULFATE MICELLES REMARK 900 RELATED ID: 1KQE RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF A LINKED SHORTENED GRAMICIDIN A IN REMARK 900 BENZENE/ACETONE 10:1 REMARK 900 RELATED ID: 1MAG RELATED DB: PDB REMARK 900 SOLID STATE NMR STRUCTURE OF GRAMICIDIN A IN HYDRATED DMPC REMARK 900 BILAYERS, REMARK 900 RELATED ID: 1MIC RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN A IN METHANOL IN THE REMARK 900 PRESENCE OF CACL REMARK 900 RELATED ID: 1NG8 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN A (W15G) IN SODIUM DODECYL REMARK 900 SULFATE MICELLES REMARK 900 RELATED ID: 1NRM RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN A IN DODECYL REMARK 900 PHOSPHOCHOLINE MICELLES REMARK 900 RELATED ID: 1NRU RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN A IN DODECYL REMARK 900 PHOSPHOCHOLINE MICELLES IN THE PRESENCE OF EXCESS NA+ REMARK 900 RELATED ID: 1NT5 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN A (V1F) IN SODIUM DODECYL REMARK 900 SULFATE MICELLES REMARK 900 RELATED ID: 1JO3 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN B IN SODIUM DODECYL REMARK 900 SULFATE MICELLES REMARK 900 RELATED ID: 1JO4 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF GRAMICIDIN C IN SODIUM DODECYL REMARK 900 SULFATE MICELLES REMARK 900 RELATED ID: 1NT6 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF F1-GRAMICIDIN C IN SODIUM DODECYL REMARK 900 SULFATE MICELLES REMARK 900 RELATED ID: 1TKQ RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF A LINKED UNSYMMETRIC GRAMICIDIN A IN REMARK 900 A MEMBRANE-ISOELECTRICAL SOLVENTS MIXTURE, IN THE PRESENCE REMARK 900 OF CSCL REMARK 900 RELATED ID: 1W5U RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN D IN ETHANOL REMARK 900 RELATED ID: 2IZQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN D COMPLEX WITH KI IN REMARK 900 METHANOL REMARK 900 RELATED ID: 3L8L RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN D COMPLEX WITH NAI REMARK 900 RELATED ID: 1AL4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN D IN N-PROPANOL REMARK 900 RELATED ID: 1ALX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GRAMICIDIN D IN METHANOL

DBREF 1ALZ A 1 16 NOR NOR00248 NOR00248 1 16 DBREF 1ALZ B 1 16 NOR NOR00243 NOR00243 1 16

SEQADV 1ALZ FVA A 1 NOR NOR00248 QIL 1 MICROHETEROGENEITY SEQADV 1ALZ TYR A 11 NOR NOR00248 TRP 11 MICROHETEROGENEITY

SEQRES 1 A 16 QIL GLY ALA DLE ALA DVA VAL DVA TRP DLE TYR DLE TRP SEQRES 2 A 16 DLE TRP ETA SEQRES 1 B 16 FVA GLY ALA DLE ALA DVA VAL DVA TRP DLE TRP DLE TRP SEQRES 2 B 16 DLE TRP ETA

HET QIL A 1 22 HET FVA A 1 19 HET DLE A 4 19 HET DVA A 6 16 HET DVA A 8 16 HET DLE A 10 19 HET DLE A 12 32 HET DLE A 14 19 HET ETA A 16 10 HET FVA B 1 19 HET DLE B 4 19 HET DVA B 6 16 HET DVA B 8 16 HET DLE B 10 32 HET DLE B 12 19 HET DLE B 14 19 HET ETA B 16 10 HET EOH A 501 8 HET EOH A 504 18 HET EOH A 505 18 HET EOH A 507 18 HET EOH A 509 18 HET EOH A 510 18 HET EOH A 511 9 HET EOH A 512 9 HET EOH A 513 9 HET EOH A 514 18 HET EOH B 502 9 HET EOH B 503 9 HET EOH B 506 9 HET EOH B 508 18

HETNAM QIL N-FORMYL-L-ISOLEUCINE HETNAM FVA N-FORMYL-L-VALINE HETNAM DLE D-LEUCINE HETNAM DVA D-VALINE HETNAM ETA ETHANOLAMINE HETNAM EOH ETHANOL

FORMUL 1 QIL C7 H13 N O3 FORMUL 1 FVA 2(C6 H11 N O3) FORMUL 1 DLE 8(C6 H13 N O2) FORMUL 1 DVA 4(C5 H11 N O2) FORMUL 1 ETA 2(C2 H7 N O) FORMUL 3 EOH 14(C2 H6 O) FORMUL 17 HOH *(H2 O)

SHEET 1 AA 2 GLY A 2 DLE A 14 0 SHEET 2 AA 2 GLY B 2 DLE B 14 -1 O ALA B 3 N TRP A 13

LINK C BFVA A 1 N GLY A 2 1555 1555 1.32 LINK C AQIL A 1 N GLY A 2 1555 1555 1.32 LINK C ALA A 3 N DLE A 4 1555 1555 1.31 LINK C DLE A 4 N ALA A 5 1555 1555 1.34 LINK C ALA A 5 N DVA A 6 1555 1555 1.32 LINK C DVA A 6 N VAL A 7 1555 1555 1.35 LINK C VAL A 7 N DVA A 8 1555 1555 1.32 LINK C DVA A 8 N TRP A 9 1555 1555 1.33 LINK C TRP A 9 N DLE A 10 1555 1555 1.32 LINK C DLE A 10 N BTRP A 11 1555 1555 1.34 LINK C DLE A 10 N ATYR A 11 1555 1555 1.33 LINK C ATYR A 11 N DLE A 12 1555 1555 1.28 LINK C BTRP A 11 N DLE A 12 1555 1555 1.31 LINK C DLE A 12 N TRP A 13 1555 1555 1.33 LINK C TRP A 13 N DLE A 14 1555 1555 1.33 LINK C DLE A 14 N TRP A 15 1555 1555 1.33 LINK C TRP A 15 N ETA A 16 1555 1555 1.32 LINK C FVA B 1 N GLY B 2 1555 1555 1.32 LINK C ALA B 3 N DLE B 4 1555 1555 1.31 LINK C DLE B 4 N ALA B 5 1555 1555 1.32 LINK C ALA B 5 N DVA B 6 1555 1555 1.33 LINK C DVA B 6 N VAL B 7 1555 1555 1.34 LINK C VAL B 7 N DVA B 8 1555 1555 1.31 LINK C DVA B 8 N TRP B 9 1555 1555 1.34 LINK C TRP B 9 N DLE B 10 1555 1555 1.30 LINK C DLE B 10 N BTRP B 11 1555 1555 1.33 LINK C DLE B 10 N ATRP B 11 1555 1555 1.33 LINK C BTRP B 11 N DLE B 12 1555 1555 1.33 LINK C ATRP B 11 N DLE B 12 1555 1555 1.35 LINK C DLE B 12 N TRP B 13 1555 1555 1.33 LINK C TRP B 13 N DLE B 14 1555 1555 1.33 LINK C DLE B 14 N TRP B 15 1555 1555 1.34 LINK C TRP B 15 N ETA B 16 1555 1555 1.33

SITE 1 AC1 5 GLY A 2 EOH A 510 EOH A 511 EOH A 512 SITE 2 AC1 5 DLE B 10 SITE 1 AC2 8 DLE A 4 EOH A 513 EOH A 514 TRP B 9 SITE 2 AC2 8 TRP B 13 TRP B 15 ETA B 16 EOH B 506 SITE 1 AC3 6 TRP A 9 TRP A 15 ETA A 16 EOH A 509 SITE 2 AC3 6 EOH A 513 TRP B 13 SITE 1 AC4 5 DLE A 4 TRP A 9 DLE A 10 DLE A 12 SITE 2 AC4 5 EOH A 510 SITE 1 AC5 6 VAL A 7 DVA A 8 TRP A 9 TRP A 15 SITE 2 AC5 6 EOH A 505 DLE B 12 SITE 1 AC6 4 TRP A 13 EOH A 501 EOH A 507 EOH A 511 SITE 1 AC7 8 TRP A 13 DLE A 14 EOH A 501 EOH A 510 SITE 2 AC7 8 EOH A 512 HOH A2001 GLY B 2 DLE B 10 SITE 1 AC8 4 GLY A 2 EOH A 501 EOH A 511 EOH A 514 SITE 1 AC9 6 ETA A 16 EOH A 504 EOH A 505 EOH A 514 SITE 2 AC9 6 TRP B 13 ETA B 16 SITE 1 BC1 11 ALA A 5 VAL A 7 DVA A 8 EOH A 504 SITE 2 BC1 11 EOH A 512 EOH A 513 TRP B 9 TRP B 11 SITE 3 BC1 11 TRP B 13 EOH B 506 EOH B 508 SITE 1 BC2 4 TRP A 15 ETA A 16 DLE B 4 EOH B 508 SITE 1 BC3 3 ETA A 16 HOH A2001 TRP B 15 SITE 1 BC4 7 TYR A 11 ETA A 16 EOH A 504 EOH A 514 SITE 2 BC4 7 TRP B 9 DLE B 10 EOH B 508 SITE 1 BC5 4 EOH A 514 TRP B 13 EOH B 502 EOH B 506 SITE 1 BC6 29 EOH A 501 EOH A 504 EOH A 505 EOH A 507 SITE 2 BC6 29 EOH A 509 EOH A 510 EOH A 511 EOH A 512 SITE 3 BC6 29 EOH A 513 EOH A 514 HOH A2001 GLY B 2 SITE 4 BC6 29 ALA B 3 DLE B 4 ALA B 5 DVA B 6 SITE 5 BC6 29 VAL B 7 DVA B 8 TRP B 9 DLE B 10 SITE 6 BC6 29 TRP B 11 DLE B 12 TRP B 13 DLE B 14 SITE 7 BC6 29 TRP B 15 ETA B 16 EOH B 502 EOH B 503 SITE 8 BC6 29 EOH B 506 SITE 1 BC7 28 GLY A 2 ALA A 3 DLE A 4 ALA A 5 SITE 2 BC7 28 DVA A 6 VAL A 7 DVA A 8 TRP A 9 SITE 3 BC7 28 DLE A 10 TYR A 11 DLE A 12 TRP A 13 SITE 4 BC7 28 DLE A 14 TRP A 15 ETA A 16 EOH A 501 SITE 5 BC7 28 EOH A 504 EOH A 505 EOH A 507 EOH A 509 SITE 6 BC7 28 EOH A 511 EOH A 512 EOH A 513 EOH A 514 SITE 7 BC7 28 EOH B 502 EOH B 503 EOH B 506 EOH B 508

CRYST1 31.595 32.369 24.219 90.00 90.00 90.00 P 21 21 21 8

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 0.031651 0.000000 0.000000 0.00000

SCALE2 0.000000 0.030894 0.000000 0.00000

SCALE3 0.000000 0.000000 0.041290 0.00000

MTRIX1 1 0.867230 0.158400 0.472030 -8.48000 1

MTRIX2 1 0.158670 -0.986540 0.039550 64.92000 1

MTRIX3 1 0.471940 0.040600 -0.880690 11.57000 1