HEADER EXOCYTOSIS 21-APR-15 2N1T TITLE DYNAMIC BINDING MODE OF A SYNAPTOTAGMIN-1-SNARE COMPLEX IN SOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: VESICLE-ASSOCIATED MEMBRANE PROTEIN 2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 25-93; COMPND 5 SYNONYM: VAMP-2, SYNAPTOBREVIN-2; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: SYNTAXIN-1A; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: UNP RESIDUES 188-259; COMPND 11 SYNONYM: NEURON-SPECIFIC ANTIGEN HPC-1, SYNAPTOTAGMIN-ASSOCIATED 35 COMPND 12 KDA PROTEIN, P35A; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 3; COMPND 15 MOLECULE: SYNAPTOSOMAL-ASSOCIATED PROTEIN 25; COMPND 16 CHAIN: C; COMPND 17 FRAGMENT: N-TERMINAL DOMAIN (UNP RESIDUES 7-83); COMPND 18 SYNONYM: SNAP-25, SNAP-25A, SUPER PROTEIN, SUP, SYNAPTOSOMAL- COMPND 19 ASSOCIATED 25 KDA PROTEIN; COMPND 20 ENGINEERED: YES; COMPND 21 MOL_ID: 4; COMPND 22 MOLECULE: SYNAPTOSOMAL-ASSOCIATED PROTEIN 25; COMPND 23 CHAIN: D; COMPND 24 FRAGMENT: C-TERMINAL DOMAIN (UNP RESIDUES 131-204); COMPND 25 SYNONYM: SNAP-25, SNAP-25A, SUPER PROTEIN, SUP, SYNAPTOSOMAL- COMPND 26 ASSOCIATED 25 KDA PROTEIN; COMPND 27 ENGINEERED: YES; COMPND 28 MOL_ID: 5; COMPND 29 MOLECULE: SYNAPTOTAGMIN-1; COMPND 30 CHAIN: E; COMPND 31 FRAGMENT: C2B DOMAIN (UNP RESIDUES 272-419); COMPND 32 SYNONYM: SYNAPTOTAGMIN I, SYTI, P65; COMPND 33 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: BROWN RAT,RAT,RATS; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: SYB2, VAMP2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX-KT; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 12 ORGANISM_COMMON: BROWN RAT,RAT,RATS; SOURCE 13 ORGANISM_TAXID: 10116; SOURCE 14 GENE: SAP, STX1A; SOURCE 15 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PGEX-KT; SOURCE 19 MOL_ID: 3; SOURCE 20 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 21 ORGANISM_COMMON: HUMAN; SOURCE 22 ORGANISM_TAXID: 9606; SOURCE 23 GENE: SNAP, SNAP25, SNAP-25A; SOURCE 24 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 25 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 26 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 27 EXPRESSION_SYSTEM_PLASMID: PGEX-KT; SOURCE 28 MOL_ID: 4; SOURCE 29 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 30 ORGANISM_COMMON: HUMAN; SOURCE 31 ORGANISM_TAXID: 9606; SOURCE 32 GENE: SNAP, SNAP25, SNAP-25A; SOURCE 33 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 34 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 35 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 36 EXPRESSION_SYSTEM_PLASMID: PGEX-KT; SOURCE 37 MOL_ID: 5; SOURCE 38 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 39 ORGANISM_COMMON: HUMAN; SOURCE 40 ORGANISM_TAXID: 9606; SOURCE 41 GENE: SVP65, SYT, SYT1; SOURCE 42 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 43 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 44 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 45 EXPRESSION_SYSTEM_PLASMID: PGEX-KT KEYWDS SYNAPTOTAGMIN-1, C2B DOMAIN, SYNTAXIN-1A, SYNAPTOBREVIN-2, SNAP-25, KEYWDS 2 SNAP-25A, SNARE COMPLEX, EXOCYTOSIS EXPDTA SOLUTION NMR NUMMDL 5 AUTHOR K.BREWER,T.BACAJ,A.CAVALLI,C.CAMILLONI,J.SWARBRICK,J.LIU,A.ZHOU, AUTHOR 2 P.ZHOU,N.BARLOW,J.XU,A.SEVEN,E.PRINSLOW,R.VOLETI,D.HAUSSINGER, AUTHOR 3 A.BONVIN,D.TOMCHICK,M.VENDRUSCOLO,B.GRAHAM,T.SUDHOF,J.RIZO REVDAT 4 18-AUG-21 2N1T 1 REMARK SEQADV REVDAT 3 22-JUL-15 2N1T 1 JRNL REVDAT 2 17-JUN-15 2N1T 1 JRNL REVDAT 1 03-JUN-15 2N1T 0 JRNL AUTH K.D.BREWER,T.BACAJ,A.CAVALLI,C.CAMILLONI,J.D.SWARBRICK, JRNL AUTH 2 J.LIU,A.ZHOU,P.ZHOU,N.BARLOW,J.XU,A.B.SEVEN,E.A.PRINSLOW, JRNL AUTH 3 R.VOLETI,D.HAUSSINGER,A.M.BONVIN,D.R.TOMCHICK,M.VENDRUSCOLO, JRNL AUTH 4 B.GRAHAM,T.C.SUDHOF,J.RIZO JRNL TITL DYNAMIC BINDING MODE OF A SYNAPTOTAGMIN-1-SNARE COMPLEX IN JRNL TITL 2 SOLUTION. JRNL REF NAT.STRUCT.MOL.BIOL. V. 22 555 2015 JRNL REFN ISSN 1545-9993 JRNL PMID 26030874 JRNL DOI 10.1038/NSMB.3035 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NAMD 2.7, GROMACS, PLUMED2, ALMOST REMARK 3 AUTHORS : KLAUS SCHULTEN (NAMD), VAN GUNSTEREN AND BERENDSEN REMARK 3 (GROMACS), GIOVANNI BUSSI (PLUMED2), ANDREA REMARK 3 CAVALLI (ALMOST) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MOLECULAR DYNAMICS SIMULATIONS WERE REMARK 3 USED TO GENERATE STRUCTURES OF THE SYNAPTOTAGMIN-1 C2B DOMAIN- REMARK 3 SNARE COMPLEX THAT COULD BE EVALUATED BASED ON HOW WELL THEY FIT REMARK 3 THE MEASURED PSEUDOCONTACT SHIFTS. SINCE IT WAS CLEAR FROM THE REMARK 3 ANALYSIS THAT THE COMPLEX IS HIGHLY DYNAMICS AND NO SINGLE REMARK 3 STRUCTURE CAN FIT ALL THE DATA, THE STRUCTURES FROM THE REMARK 3 SIMULATIONS WERE USED TO TRY TO FIT THE MEASURED PSEUDOCONTACT REMARK 3 SHIFTS AS ENSEMBLED-AVERAGED VALUES. THE STRUCTURES IN THE REMARK 3 DEPOSITION ARE AMONG THOSE THAT CONTRIBUTED TO THE BEST ENSEMBLE- REMARK 3 AVERAGE FITS. REMARK 4 REMARK 4 2N1T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-15. REMARK 100 THE DEPOSITION ID IS D_1000104314. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 7.4 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 30 UM [U-100% 13C; U-100% 15N] REMARK 210 PROTEIN, 25 MM TRIS-HCL, 125 MM REMARK 210 KSCN, 1 MM CACL2, 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HMQC REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRVIEW 8.0.A15, NUMBAT 0.991 REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 1000 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 5 REMARK 210 CONFORMERS, SELECTION CRITERIA : CONTRIBUTION TO FIT PCS DATA REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 15170 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23800 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -97.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E 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 RESIDUE ASP 41 OF SNAP-25 N-TERMINAL DOMAIN (CHAIN C) WAS MUTATED REMARK 400 TO CYS, AND LABELED WITH DY-C2 TAG IN SOME SAMPLES. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 HZ1 LYS A 59 OD1 ASP D 179 1.54 REMARK 500 OD1 ASP B 231 HZ2 LYS E 327 1.55 REMARK 500 OE1 GLU B 228 HZ1 LYS E 313 1.55 REMARK 500 OD2 ASP B 231 HZ3 LYS E 313 1.56 REMARK 500 HH12 ARG B 198 OE1 GLU D 143 1.57 REMARK 500 HZ3 LYS E 375 OE1 GLU E 410 1.57 REMARK 500 OE1 GLU C 38 HZ3 LYS E 321 1.57 REMARK 500 OE2 GLU C 61 HZ3 LYS D 184 1.58 REMARK 500 HZ2 LYS B 252 OE2 GLU C 73 1.59 REMARK 500 H1 GLY D 131 OE1 GLU D 151 1.59 REMARK 500 H3 MET C 7 OE1 GLU C 10 1.60 REMARK 500 OD2 ASP C 41 HZ1 LYS E 321 1.60 REMARK 500 HH21 ARG A 47 OE2 GLU B 211 1.60 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 1 ARG A 31 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 1 ARG A 47 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 1 ARG A 56 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 1 ARG A 66 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 1 ARG B 210 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 1 ARG C 16 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 1 ARG C 17 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 1 ARG C 17 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 1 ARG C 31 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 1 ARG D 136 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 1 ARG D 142 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 1 ARG D 161 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 1 ARG D 161 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 1 ARG D 176 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 1 ARG D 176 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 1 ARG E 322 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 1 ARG E 322 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 1 ARG E 388 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES 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 1 THR A 27 131.44 -29.30 REMARK 500 1 LEU C 11 -51.12 -170.72 REMARK 500 1 ARG D 135 97.69 -68.93 REMARK 500 1 LEU E 294 -85.85 -101.61 REMARK 500 1 LEU E 323 -85.09 -115.45 REMARK 500 1 TYR E 339 -63.51 -106.84 REMARK 500 1 GLN E 353 38.16 -87.84 REMARK 500 1 LYS E 354 8.84 -150.39 REMARK 500 1 ASN E 381 33.21 91.23 REMARK 500 2 ASN A 29 20.91 -78.05 REMARK 500 2 TYR A 88 -73.42 -116.89 REMARK 500 2 GLN B 190 -38.60 -162.25 REMARK 500 2 PHE D 133 -37.82 -168.34 REMARK 500 2 VAL D 137 -52.48 -139.14 REMARK 500 2 ARG E 281 149.24 -175.92 REMARK 500 2 LEU E 323 -62.63 -145.89 REMARK 500 2 THR E 328 -160.78 -126.00 REMARK 500 2 ARG E 398 -1.69 84.51 REMARK 500 3 VAL D 137 -38.33 -170.32 REMARK 500 3 LEU E 270 -34.62 -148.14 REMARK 500 3 ALA E 286 -5.05 69.78 REMARK 500 3 GLU E 295 -170.71 179.74 REMARK 500 3 LEU E 307 74.52 -156.23 REMARK 500 3 ASP E 309 60.52 -116.63 REMARK 500 3 ASN E 319 -137.27 57.00 REMARK 500 3 ASN E 333 86.21 24.52 REMARK 500 3 TYR E 339 -81.20 -143.52 REMARK 500 3 ILE E 367 -12.40 -145.04 REMARK 500 3 ARG E 398 -21.13 79.72 REMARK 500 3 VAL E 413 -30.56 -132.88 REMARK 500 4 VAL D 137 -41.10 -137.96 REMARK 500 4 ARG E 281 146.99 -170.71 REMARK 500 4 LEU E 294 -110.95 -112.47 REMARK 500 4 ASP E 303 -172.18 63.00 REMARK 500 4 LEU E 323 -49.70 -141.27 REMARK 500 4 ASN E 333 110.64 65.65 REMARK 500 4 VAL E 347 104.99 -162.70 REMARK 500 4 ASP E 363 135.06 -173.23 REMARK 500 4 ASP E 365 99.17 -65.90 REMARK 500 4 ASN E 381 -13.26 76.63 REMARK 500 4 ARG E 398 -17.65 78.13 REMARK 500 5 TYR A 88 -74.55 -92.60 REMARK 500 5 ALA B 191 0.40 -66.82 REMARK 500 5 PHE D 133 -30.51 -163.20 REMARK 500 5 VAL D 137 -41.24 -145.13 REMARK 500 5 LEU E 294 -70.88 -86.07 REMARK 500 5 SER E 308 -148.15 -96.07 REMARK 500 5 GLN E 318 114.88 -165.89 REMARK 500 5 LEU E 323 -59.44 -120.22 REMARK 500 5 LEU E 362 -169.06 -168.03 REMARK 500 REMARK 500 THIS ENTRY HAS 51 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LYS E 288 LEU E 289 5 147.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG C 8 0.09 SIDE CHAIN REMARK 500 1 ARG D 136 0.09 SIDE CHAIN REMARK 500 1 ARG D 176 0.09 SIDE CHAIN REMARK 500 1 ARG D 191 0.09 SIDE CHAIN REMARK 500 1 ARG E 399 0.15 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6235 RELATED DB: BMRB REMARK 900 SNARE COMPLEX REMARK 900 RELATED ID: 5194 RELATED DB: BMRB REMARK 900 SYNAPTOTAGMIN-1 C2B DOMAIN REMARK 900 RELATED ID: 1SFC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A SNARE COMPLEX, ONE OF THE STARTING REMARK 900 STRUCTURES FOR THE MD SIMULATIONS IN THIS STUDY. REMARK 900 RELATED ID: 1UOW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SYNAPTOTAGMIN-1 C2B DOMAIN, ONE OF THE REMARK 900 STARTING STRUCTURES FOR THE MD SIMULATIONS IN THIS STUDY. REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCES OF CHAIN C AND D MATCH ISOFORM 2 SEQUENCE WITH REMARK 999 UNIPROT IDENTIFIER P60880-2. DBREF 2N1T A 25 93 UNP P63045 VAMP2_RAT 25 93 DBREF 2N1T B 188 259 UNP P32851 STX1A_RAT 188 259 DBREF 2N1T C 7 83 UNP P60880 SNP25_HUMAN 7 83 DBREF 2N1T D 131 204 UNP P60880 SNP25_HUMAN 131 204 DBREF 2N1T E 271 418 UNP P21579 SYT1_HUMAN 272 419 SEQADV 2N1T SER E 263 UNP P21579 EXPRESSION TAG SEQADV 2N1T GLY E 264 UNP P21579 EXPRESSION TAG SEQADV 2N1T GLY E 265 UNP P21579 EXPRESSION TAG SEQADV 2N1T GLY E 266 UNP P21579 EXPRESSION TAG SEQADV 2N1T GLY E 267 UNP P21579 EXPRESSION TAG SEQADV 2N1T GLY E 268 UNP P21579 EXPRESSION TAG SEQADV 2N1T ILE E 269 UNP P21579 EXPRESSION TAG SEQADV 2N1T LEU E 270 UNP P21579 EXPRESSION TAG SEQRES 1 A 69 ASN LEU THR SER ASN ARG ARG LEU GLN GLN THR GLN ALA SEQRES 2 A 69 GLN VAL ASP GLU VAL VAL ASP ILE MET ARG VAL ASN VAL SEQRES 3 A 69 ASP LYS VAL LEU GLU ARG ASP GLN LYS LEU SER GLU LEU SEQRES 4 A 69 ASP ASP ARG ALA ASP ALA LEU GLN ALA GLY ALA SER GLN SEQRES 5 A 69 PHE GLU THR SER ALA ALA LYS LEU LYS ARG LYS TYR TRP SEQRES 6 A 69 TRP LYS ASN LEU SEQRES 1 B 72 SER LYS GLN ALA LEU SER GLU ILE GLU THR ARG HIS SER SEQRES 2 B 72 GLU ILE ILE LYS LEU GLU ASN SER ILE ARG GLU LEU HIS SEQRES 3 B 72 ASP MET PHE MET ASP MET ALA MET LEU VAL GLU SER GLN SEQRES 4 B 72 GLY GLU MET ILE ASP ARG ILE GLU TYR ASN VAL GLU HIS SEQRES 5 B 72 ALA VAL ASP TYR VAL GLU ARG ALA VAL SER ASP THR LYS SEQRES 6 B 72 LYS ALA VAL LYS TYR GLN SER SEQRES 1 C 77 MET ARG ASN GLU LEU GLU GLU MET GLN ARG ARG ALA ASP SEQRES 2 C 77 GLN LEU ALA ASP GLU SER LEU GLU SER THR ARG ARG MET SEQRES 3 C 77 LEU GLN LEU VAL GLU GLU SER LYS ASP ALA GLY ILE ARG SEQRES 4 C 77 THR LEU VAL MET LEU ASP GLU GLN GLY GLU GLN LEU ASP SEQRES 5 C 77 ARG VAL GLU GLU GLY MET ASN HIS ILE ASN GLN ASP MET SEQRES 6 C 77 LYS GLU ALA GLU LYS ASN LEU LYS ASP LEU GLY LYS SEQRES 1 D 74 GLY GLY PHE ILE ARG ARG VAL THR ASN ASP ALA ARG GLU SEQRES 2 D 74 ASN GLU MET ASP GLU ASN LEU GLU GLN VAL SER GLY ILE SEQRES 3 D 74 ILE GLY ASN LEU ARG HIS MET ALA LEU ASP MET GLY ASN SEQRES 4 D 74 GLU ILE ASP THR GLN ASN ARG GLN ILE ASP ARG ILE MET SEQRES 5 D 74 GLU LYS ALA ASP SER ASN LYS THR ARG ILE ASP GLU ALA SEQRES 6 D 74 ASN GLN ARG ALA THR LYS MET LEU GLY SEQRES 1 E 156 SER GLY GLY GLY GLY GLY ILE LEU GLU LYS LEU GLY ASP SEQRES 2 E 156 ILE CYS PHE SER LEU ARG TYR VAL PRO THR ALA GLY LYS SEQRES 3 E 156 LEU THR VAL VAL ILE LEU GLU ALA LYS ASN LEU LYS LYS SEQRES 4 E 156 MET ASP VAL GLY GLY LEU SER ASP PRO TYR VAL LYS ILE SEQRES 5 E 156 HIS LEU MET GLN ASN GLY LYS ARG LEU LYS LYS LYS LYS SEQRES 6 E 156 THR THR ILE LYS LYS ASN THR LEU ASN PRO TYR TYR ASN SEQRES 7 E 156 GLU SER PHE SER PHE GLU VAL PRO PHE GLU GLN ILE GLN SEQRES 8 E 156 LYS VAL GLN VAL VAL VAL THR VAL LEU ASP TYR ASP LYS SEQRES 9 E 156 ILE GLY LYS ASN ASP ALA ILE GLY LYS VAL PHE VAL GLY SEQRES 10 E 156 TYR ASN SER THR GLY ALA GLU LEU ARG HIS TRP SER ASP SEQRES 11 E 156 MET LEU ALA ASN PRO ARG ARG PRO ILE ALA GLN TRP HIS SEQRES 12 E 156 THR LEU GLN VAL GLU GLU GLU VAL ASP ALA MET LEU ALA HELIX 1 1 ASN A 29 ASN A 92 1 64 HELIX 2 2 GLN B 190 TYR B 257 1 68 HELIX 3 3 LEU C 11 GLY C 82 1 72 HELIX 4 4 ASP D 140 LYS D 201 1 62 HELIX 5 5 GLY E 266 LEU E 270 5 5 HELIX 6 6 PRO E 348 GLN E 353 1 6 HELIX 7 7 THR E 383 ASN E 396 1 14 HELIX 8 8 VAL E 409 ALA E 418 1 10 SHEET 1 A 4 TYR E 338 GLU E 346 0 SHEET 2 A 4 LYS E 288 LYS E 297 -1 N LEU E 289 O PHE E 345 SHEET 3 A 4 ASP E 275 TYR E 282 -1 N CYS E 277 O GLU E 295 SHEET 4 A 4 GLN E 403 THR E 406 -1 O HIS E 405 N ILE E 276 SHEET 1 B 4 LYS E 321 LYS E 327 0 SHEET 2 B 4 TYR E 311 GLN E 318 -1 N ILE E 314 O LYS E 326 SHEET 3 B 4 VAL E 355 LEU E 362 -1 O VAL E 358 N HIS E 315 SHEET 4 B 4 ALA E 372 GLY E 379 -1 O VAL E 378 N VAL E 357 CISPEP 1 LEU E 307 SER E 308 3 -4.78 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1