HEADER MEMBRANE PROTEIN 07-JUN-19 6RX1 TITLE CRYSTAL STRUCTURE OF HUMAN SYNCYTIN 1 IN POST-FUSION CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: SYNCYTIN-1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ENDOGENOUS RETROVIRUS GROUP W MEMBER 1,ENV-W,ENVELOPE COMPND 5 POLYPROTEIN GPR73,ENVERIN,HERV-7Q ENVELOPE PROTEIN,HERV-W ENVELOPE COMPND 6 PROTEIN,HERV-W_7Q21.2 PROVIRUS ANCESTRAL ENV POLYPROTEIN,SYNCYTIN; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: THE FOLLOWING SEQUENCE MHHHHHHENLYFQS AT THE N- COMPND 9 TERMINAL OF THE PROTEIN SEQUENCE IS FROM AN EXPRESSION TAG WITH THE COMPND 10 1ST RESIDUE MET AS THE INITIATING METHIONINE. THE 3 FIRST RESIDUES COMPND 11 'TST' FROM THE PROTEIN SEQUENCE ARE DISORDERED IN DENSITY. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ERVW-1, ERVWE1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS HUMAN PLACENTAL PROTEIN, MEMBRANE FUSION, ENDOGENOUS RETROVIRUS, KEYWDS 2 MEMBRANE PROTEIN, HERV-W, SYNCYTIN EXPDTA X-RAY DIFFRACTION AUTHOR K.RUIGROK,M.BACKOVIC,M.C.VANEY,F.A.REY REVDAT 3 24-JAN-24 6RX1 1 REMARK REVDAT 2 25-DEC-19 6RX1 1 JRNL REVDAT 1 20-NOV-19 6RX1 0 JRNL AUTH K.RUIGROK,M.C.VANEY,J.BUCHRIESER,E.BAQUERO,J.HELLERT, JRNL AUTH 2 B.BARON,P.ENGLAND,O.SCHWARTZ,F.A.REY,M.BACKOVIC JRNL TITL X-RAY STRUCTURES OF THE POST-FUSION 6-HELIX BUNDLE OF THE JRNL TITL 2 HUMAN SYNCYTINS AND THEIR FUNCTIONAL IMPLICATIONS. JRNL REF J.MOL.BIOL. V. 431 4922 2019 JRNL REFN ESSN 1089-8638 JRNL PMID 31711961 JRNL DOI 10.1016/J.JMB.2019.10.020 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.RENARD,P.F.VARELA,C.LETZELTER,S.DUQUERROY,F.A.REY, REMARK 1 AUTH 2 T.HEIDMANN REMARK 1 TITL CRYSTAL STRUCTURE OF A PIVOTAL DOMAIN OF HUMAN SYNCYTIN-2, A REMARK 1 TITL 2 40 MILLION YEARS OLD ENDOGENOUS RETROVIRUS FUSOGENIC REMARK 1 TITL 3 ENVELOPE GENE CAPTURED BY PRIMATES. REMARK 1 REF J.MOL.BIOL. V. 352 1029 2005 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 16140326 REMARK 1 DOI 10.1016/J.JMB.2005.07.058 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.3 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 7735 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.217 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.770 REMARK 3 FREE R VALUE TEST SET COUNT : 369 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 : 5 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.35 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.50 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2167 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2136 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2064 REMARK 3 BIN R VALUE (WORKING SET) : 0.2116 REMARK 3 BIN FREE R VALUE : 0.2544 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.75 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 103 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.000 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 717 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 70 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 50.38 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.88600 REMARK 3 B22 (A**2) : -0.88600 REMARK 3 B33 (A**2) : 1.77190 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.330 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.212 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.172 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.190 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.164 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.941 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.935 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 728 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 977 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 278 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 25 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 103 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 728 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 91 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 900 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.94 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.73 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 16.55 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6RX1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-JUN-19. REMARK 100 THE DEPOSITION ID IS D_1292100801. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-DEC-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SOLEIL REMARK 200 BEAMLINE : PROXIMA 2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.070638 REMARK 200 MONOCHROMATOR : CRYOGENICALLY COOLED CHANNEL CUT REMARK 200 CRYSTAL MONOCHROMATOR, A CONVEX REMARK 200 PREFOCUSSING MIRROR AND A REMARK 200 KIRKPATRICKBAEZ PAIR OF REMARK 200 FOCUSSING MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS V2016 REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.28 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7752 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 43.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.12000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 REMARK 200 R MERGE FOR SHELL (I) : 1.25000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.6.1 REMARK 200 STARTING MODEL: 1Y4M REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.5, 30% V/V 2 REMARK 280 -PROPANOL, 0.2 M MGCL2, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 25.20800 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 14.55385 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 86.73300 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 25.20800 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 14.55385 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 86.73300 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 25.20800 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 14.55385 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 86.73300 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 25.20800 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 14.55385 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 86.73300 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 25.20800 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 14.55385 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 86.73300 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 25.20800 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 14.55385 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 86.73300 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 29.10769 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 173.46600 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 29.10769 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 173.46600 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 29.10769 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 173.46600 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 29.10769 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 173.46600 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 29.10769 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 173.46600 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 29.10769 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 173.46600 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9760 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -94.0 KCAL/MOL 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 BIOMT1 2 -0.500000 -0.866025 0.000000 -25.20800 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 43.66154 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -50.41600 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 CL CL A 502 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 603 LIES ON A SPECIAL POSITION. 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 MET A 328 REMARK 465 HIS A 329 REMARK 465 HIS A 330 REMARK 465 HIS A 331 REMARK 465 HIS A 332 REMARK 465 HIS A 333 REMARK 465 HIS A 334 REMARK 465 GLU A 335 REMARK 465 ASN A 336 REMARK 465 LEU A 337 REMARK 465 TYR A 338 REMARK 465 PHE A 339 REMARK 465 GLN A 340 REMARK 465 SER A 341 REMARK 465 THR A 342 REMARK 465 SER A 343 REMARK 465 THR A 344 REMARK 465 ASN A 434 REMARK 465 THR A 435 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 502 DBREF 6RX1 A 342 435 UNP Q9UQF0 SYCY1_HUMAN 342 435 SEQADV 6RX1 MET A 328 UNP Q9UQF0 INITIATING METHIONINE SEQADV 6RX1 HIS A 329 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 HIS A 330 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 HIS A 331 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 HIS A 332 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 HIS A 333 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 HIS A 334 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 GLU A 335 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 ASN A 336 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 LEU A 337 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 TYR A 338 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 PHE A 339 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 GLN A 340 UNP Q9UQF0 EXPRESSION TAG SEQADV 6RX1 SER A 341 UNP Q9UQF0 EXPRESSION TAG SEQRES 1 A 108 MET HIS HIS HIS HIS HIS HIS GLU ASN LEU TYR PHE GLN SEQRES 2 A 108 SER THR SER THR GLN PHE TYR TYR LYS LEU SER GLN GLU SEQRES 3 A 108 LEU ASN GLY ASP MET GLU ARG VAL ALA ASP SER LEU VAL SEQRES 4 A 108 THR LEU GLN ASP GLN LEU ASN SER LEU ALA ALA VAL VAL SEQRES 5 A 108 LEU GLN ASN ARG ARG ALA LEU ASP LEU LEU THR ALA GLU SEQRES 6 A 108 ARG GLY GLY THR CYS LEU PHE LEU GLY GLU GLU CYS CYS SEQRES 7 A 108 TYR TYR VAL ASN GLN SER GLY ILE VAL THR GLU LYS VAL SEQRES 8 A 108 LYS GLU ILE ARG ASP ARG ILE GLN ARG ARG ALA GLU GLU SEQRES 9 A 108 LEU ARG ASN THR HET GOL A 501 6 HET CL A 502 1 HETNAM GOL GLYCEROL HETNAM CL CHLORIDE ION HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 GOL C3 H8 O3 FORMUL 3 CL CL 1- FORMUL 4 HOH *70(H2 O) HELIX 1 AA1 GLN A 345 THR A 390 1 46 HELIX 2 AA2 ALA A 391 GLY A 394 5 4 HELIX 3 AA3 GLY A 395 GLY A 401 1 7 HELIX 4 AA4 GLN A 410 ARG A 433 1 24 SSBOND 1 CYS A 397 CYS A 404 1555 1555 2.04 SITE 1 AC1 7 GLN A 352 GLU A 353 GLY A 412 GLU A 416 SITE 2 AC1 7 ARG A 424 ARG A 427 HOH A 618 SITE 1 AC2 1 ASN A 382 CRYST1 50.416 50.416 260.199 90.00 90.00 120.00 H 3 2 18 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 0.019835 0.011452 0.000000 0.00000 SCALE2 0.000000 0.022903 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003843 0.00000