PDB Short entry for 6BKK HEADER MEMBRANE PROTEIN 08-NOV-17 6BKK TITLE INFLUENZA A M2 TRANSMEMBRANE DOMAIN BOUND TO AMANTADINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: MATRIX PROTEIN 2; COMPND 3 CHAIN: A, B, C, D, E, F, G, H; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: INFLUENZA A VIRUS; SOURCE 4 ORGANISM_TAXID: 11320 KEYWDS INFLUENZA M2, PROTON CHANNEL, MEMBRANE PROTEIN, AMANTADINE EXPDTA X-RAY DIFFRACTION AUTHOR J.L.THOMASTON,W.F.DEGRADO REVDAT 4 04-OCT-23 6BKK 1 REMARK REVDAT 3 01-JAN-20 6BKK 1 REMARK REVDAT 2 28-NOV-18 6BKK 1 JRNL REVDAT 1 19-SEP-18 6BKK 0 JRNL AUTH J.L.THOMASTON,N.F.POLIZZI,A.KONSTANTINIDI,J.WANG, JRNL AUTH 2 A.KOLOCOURIS,W.F.DEGRADO JRNL TITL INHIBITORS OF THE M2 PROTON CHANNEL ENGAGE AND DISRUPT JRNL TITL 2 TRANSMEMBRANE NETWORKS OF HYDROGEN-BONDED WATERS. JRNL REF J. AM. CHEM. SOC. V. 140 15219 2018 JRNL REFN ESSN 1520-5126 JRNL PMID 30165017 JRNL DOI 10.1021/JACS.8B06741 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.11.1_2575: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.29 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.8 REMARK 3 NUMBER OF REFLECTIONS : 13418 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.231 REMARK 3 R VALUE (WORKING SET) : 0.227 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.990 REMARK 3 FREE R VALUE TEST SET COUNT : 1341 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 46.3030 - 4.2973 0.89 1200 134 0.2314 0.2459 REMARK 3 2 4.2973 - 3.4112 0.92 1198 133 0.2099 0.2625 REMARK 3 3 3.4112 - 2.9801 0.94 1225 135 0.2274 0.2561 REMARK 3 4 2.9801 - 2.7076 0.94 1215 136 0.2136 0.2578 REMARK 3 5 2.7076 - 2.5136 0.94 1231 137 0.2379 0.2749 REMARK 3 6 2.5136 - 2.3654 0.94 1220 135 0.2193 0.2616 REMARK 3 7 2.3654 - 2.2469 0.93 1216 135 0.2364 0.3196 REMARK 3 8 2.2469 - 2.1491 0.94 1217 135 0.2342 0.2922 REMARK 3 9 2.1491 - 2.0664 0.94 1213 135 0.2425 0.2898 REMARK 3 10 2.0664 - 1.9951 0.89 1142 126 0.2443 0.3112 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.230 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.860 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.001 1601 REMARK 3 ANGLE : 0.324 2198 REMARK 3 CHIRALITY : 0.035 304 REMARK 3 PLANARITY : 0.002 245 REMARK 3 DIHEDRAL : 10.052 546 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6BKK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-NOV-17. REMARK 100 THE DEPOSITION ID IS D_1000231031. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAR-16 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 : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1158 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13454 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.995 REMARK 200 RESOLUTION RANGE LOW (A) : 52.050 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.19900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 4.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.8 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.77900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 3LBW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NACL, 0.02 M SODIUM CITRATE PH REMARK 280 5.6, 11% W/V PEG 3350, MONOOLEIN, AMANTADINE, LIPIDIC CUBIC REMARK 280 PHASE, TEMPERATURE 293K 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 26.02500 REMARK 290 SMTRY3 2 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 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5380 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -55.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5410 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5570 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -56.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, G, H 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 ACE A 21 REMARK 465 NH2 A 47 REMARK 465 NH2 B 47 REMARK 465 NH2 C 47 REMARK 465 ACE D 21 REMARK 465 NH2 D 47 REMARK 465 ACE E 21 REMARK 465 NH2 E 47 REMARK 465 NH2 F 47 REMARK 465 NH2 G 47 REMARK 465 NH2 H 47 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 HOH E 212 O HOH F 214 2.10 REMARK 500 O HOH A 106 O HOH A 112 2.14 REMARK 500 O HOH B 202 O HOH C 201 2.18 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 O HOH C 213 O HOH D 110 2947 2.09 REMARK 500 NH2 ARG A 45 OD2 ASP E 24 1554 2.17 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 C 213 DISTANCE = 6.56 ANGSTROMS REMARK 525 HOH E 212 DISTANCE = 6.07 ANGSTROMS REMARK 525 HOH E 213 DISTANCE = 6.27 ANGSTROMS REMARK 525 HOH E 214 DISTANCE = 6.31 ANGSTROMS REMARK 525 HOH E 215 DISTANCE = 7.17 ANGSTROMS REMARK 525 HOH F 212 DISTANCE = 6.03 ANGSTROMS REMARK 525 HOH F 213 DISTANCE = 7.13 ANGSTROMS REMARK 525 HOH F 214 DISTANCE = 7.78 ANGSTROMS REMARK 525 HOH G 115 DISTANCE = 6.04 ANGSTROMS REMARK 525 HOH G 116 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH G 117 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH G 118 DISTANCE = 6.37 ANGSTROMS REMARK 525 HOH G 119 DISTANCE = 7.33 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 308 B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL C 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL E 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 308 F 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE B 21 and SER B REMARK 800 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE C 21 and SER C REMARK 800 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE F 21 and SER F REMARK 800 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE G 21 and SER G REMARK 800 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE H 21 and SER H REMARK 800 22 DBREF 6BKK A 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BKK B 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BKK C 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BKK D 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BKK E 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BKK F 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BKK G 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BKK H 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 SEQADV 6BKK ACE A 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 A 47 UNP Q20MD5 AMIDATION SEQADV 6BKK ACE B 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 B 47 UNP Q20MD5 AMIDATION SEQADV 6BKK ACE C 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 C 47 UNP Q20MD5 AMIDATION SEQADV 6BKK ACE D 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 D 47 UNP Q20MD5 AMIDATION SEQADV 6BKK ACE E 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 E 47 UNP Q20MD5 AMIDATION SEQADV 6BKK ACE F 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 F 47 UNP Q20MD5 AMIDATION SEQADV 6BKK ACE G 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 G 47 UNP Q20MD5 AMIDATION SEQADV 6BKK ACE H 21 UNP Q20MD5 ACETYLATION SEQADV 6BKK NH2 H 47 UNP Q20MD5 AMIDATION SEQRES 1 A 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 A 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 A 27 NH2 SEQRES 1 B 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 B 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 B 27 NH2 SEQRES 1 C 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 C 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 C 27 NH2 SEQRES 1 D 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 D 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 D 27 NH2 SEQRES 1 E 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 E 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 E 27 NH2 SEQRES 1 F 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 F 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 F 27 NH2 SEQRES 1 G 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 G 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 G 27 NH2 SEQRES 1 H 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 H 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 H 27 NH2 HET ACE B 21 3 HET ACE C 21 3 HET ACE F 21 3 HET ACE G 21 3 HET ACE H 21 3 HET 308 B 101 11 HET CL C 101 1 HET CL E 101 1 HET 308 F 101 11 HETNAM ACE ACETYL GROUP HETNAM 308 (3S,5S,7S)-TRICYCLO[3.3.1.1~3,7~]DECAN-1-AMINE HETNAM CL CHLORIDE ION HETSYN 308 AMANTADINE FORMUL 2 ACE 5(C2 H4 O) FORMUL 9 308 2(C10 H17 N) FORMUL 10 CL 2(CL 1-) FORMUL 13 HOH *105(H2 O) HELIX 1 AA1 ASP A 24 LEU A 46 1 23 HELIX 2 AA2 ASP B 24 LEU B 46 1 23 HELIX 3 AA3 ASP C 24 ASP C 44 1 21 HELIX 4 AA4 ASP D 24 LEU D 46 1 23 HELIX 5 AA5 ASP E 24 LEU E 46 1 23 HELIX 6 AA6 ASP F 24 LEU F 46 1 23 HELIX 7 AA7 ASP G 24 LEU G 46 1 23 HELIX 8 AA8 ASP H 24 LEU H 46 1 23 LINK C ACE B 21 N SER B 22 1555 1555 1.33 LINK C ACE C 21 N SER C 22 1555 1555 1.33 LINK C ACE F 21 N SER F 22 1555 1555 1.33 LINK C ACE G 21 N SER G 22 1555 1555 1.33 LINK C ACE H 21 N SER H 22 1555 1555 1.33 SITE 1 AC1 5 SER A 31 ALA B 30 SER B 31 SER C 31 SITE 2 AC1 5 SER D 31 SITE 1 AC2 4 SER A 23 SER B 23 SER C 23 SER D 23 SITE 1 AC3 4 SER E 23 SER F 23 SER G 23 SER H 23 SITE 1 AC4 7 SER E 31 HOH E 204 ALA F 30 SER F 31 SITE 2 AC4 7 SER G 31 HOH G 104 SER H 31 SITE 1 AC5 7 SER A 22 ASP A 24 SER B 23 HOH B 202 SITE 2 AC5 7 ACE C 21 SER C 22 HOH C 201 SITE 1 AC6 6 SER B 22 SER B 23 HOH B 202 SER C 23 SITE 2 AC6 6 HOH C 201 SER D 22 SITE 1 AC7 8 PRO C 25 HOH C 204 SER E 22 SER F 23 SITE 2 AC7 8 HOH F 205 ACE G 21 SER G 22 HOH G 101 SITE 1 AC8 8 ASP C 24 SER D 22 SER F 22 SER F 23 SITE 2 AC8 8 SER G 23 HOH G 101 HOH G 106 SER H 22 SITE 1 AC9 5 SER E 22 SER G 22 SER G 23 HOH G 101 SITE 2 AC9 5 SER H 23 CRYST1 44.220 52.050 48.720 90.00 108.17 90.00 P 1 21 1 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 0.022614 0.000000 0.007422 0.00000 SCALE2 0.000000 0.019212 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021603 0.00000