HEADER METAL BINDING PROTEIN 08-AUG-07 2QVK TITLE THE SECOND CA2+-BINDING DOMAIN OF THE NA+-CA2+ EXCHANGER IS ESSENTIAL TITLE 2 FOR REGULATION: CRYSTAL STRUCTURES AND MUTATIONAL ANALYSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: SODIUM/CALCIUM EXCHANGER 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CBD2; NA(+)/CA(2+)-EXCHANGE PROTEIN 1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CANIS LUPUS FAMILIARIS; SOURCE 3 ORGANISM_COMMON: DOG; SOURCE 4 ORGANISM_TAXID: 9615; SOURCE 5 STRAIN: FAMILIARIS; SOURCE 6 GENE: SLC8A1; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET47 KEYWDS CBD2, CALCIUM BINDING DOMAIN, SODIUM CALCIUM EXCHANGER, METAL BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR V.CHAPTAL,G.MERCADO BESSERER,J.ABRAMSON,D.CASCIO REVDAT 4 21-FEB-24 2QVK 1 SEQADV REVDAT 3 24-FEB-09 2QVK 1 VERSN REVDAT 2 15-JAN-08 2QVK 1 JRNL REVDAT 1 13-NOV-07 2QVK 0 JRNL AUTH G.MERCADO BESSERER,M.OTTOLIA,D.A.NICOLL,V.CHAPTAL,D.CASCIO, JRNL AUTH 2 K.D.PHILIPSON,J.ABRAMSON JRNL TITL THE SECOND CA2+-BINDING DOMAIN OF THE NA+ CA2+ EXCHANGER IS JRNL TITL 2 ESSENTIAL FOR REGULATION: CRYSTAL STRUCTURES AND MUTATIONAL JRNL TITL 3 ANALYSIS JRNL REF PROC.NATL.ACAD.SCI.USA V. 104 18467 2007 JRNL REFN ISSN 0027-8424 JRNL PMID 17962412 JRNL DOI 10.1073/PNAS.0707417104 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 56.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 3 NUMBER OF REFLECTIONS : 23794 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) : 0.163 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1278 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1443 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.42 REMARK 3 BIN R VALUE (WORKING SET) : 0.1820 REMARK 3 BIN FREE R VALUE SET COUNT : 77 REMARK 3 BIN FREE R VALUE : 0.2450 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 951 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 104 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.96 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.18000 REMARK 3 B22 (A**2) : 0.05000 REMARK 3 B33 (A**2) : 0.13000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.068 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.062 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.033 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.796 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.964 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.950 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1014 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 686 ; 0.007 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1380 ; 1.326 ; 1.970 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1698 ; 0.783 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 135 ; 6.943 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 52 ;34.591 ;25.962 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 187 ;12.053 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;16.579 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 157 ; 0.091 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1144 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 192 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 133 ; 0.184 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 663 ; 0.186 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 472 ; 0.171 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 600 ; 0.081 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 68 ; 0.161 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 22 ; 0.286 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 38 ; 0.219 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 14 ; 0.087 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 819 ; 1.668 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 257 ; 0.459 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1016 ; 2.010 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 441 ; 3.040 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 356 ; 4.427 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2051 ; 1.543 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 104 ; 5.235 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1677 ; 2.635 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2QVK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-SEP-07. REMARK 100 THE DEPOSITION ID IS D_1000044109. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-FEB-07; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 4.9 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; NULL REMARK 200 RADIATION SOURCE : ALS; NULL REMARK 200 BEAMLINE : 8.2.1; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0, 0.9795, 0.98, 0.9718; NULL REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23794 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.451 REMARK 200 RESOLUTION RANGE LOW (A) : 56.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 99.90 REMARK 200 R MERGE (I) : 0.03800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 26.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.10 REMARK 200 R MERGE FOR SHELL (I) : 0.44700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.850 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHELXS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 24.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 11% (W/V) PEG-3350, 0.1 M NA ACETATE REMARK 280 (PH 4.9), CBD2 AT 15 MG/ML, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 41.16800 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.24550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 41.16800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.24550 REMARK 290 SMTRY3 4 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 984 ANGSTROM**2 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 -1.000000 0.000000 0.000000 82.33600 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLY A 498 REMARK 465 PRO A 499 REMARK 465 GLY A 500 REMARK 465 MET A 598A REMARK 465 SER A 598B REMARK 465 GLU A 598C REMARK 465 LYS A 598D REMARK 465 LYS A 598E REMARK 465 ALA A 598F REMARK 465 LEU A 598G REMARK 465 LEU A 598H REMARK 465 LEU A 598I REMARK 465 ASN A 598J REMARK 465 GLU A 598K REMARK 465 LEU A 598L REMARK 465 GLY A 598M REMARK 465 GLY A 598N REMARK 465 PHE A 598O REMARK 465 THR A 598P REMARK 465 ILE A 598Q REMARK 465 THR A 598R REMARK 465 GLY A 598S REMARK 465 LYS A 598T REMARK 465 TYR A 598U REMARK 465 LEU A 598V REMARK 465 TYR A 598W REMARK 465 GLY A 598X REMARK 465 GLN A 598Y REMARK 465 PRO A 598Z REMARK 465 VAL A 599A REMARK 465 PHE A 599B REMARK 465 ARG A 599C REMARK 465 LYS A 599D REMARK 465 VAL A 599E REMARK 465 HIS A 599F REMARK 465 ALA A 599G REMARK 465 ARG A 599H REMARK 465 GLU A 599I REMARK 465 HIS A 599J REMARK 465 PRO A 599K REMARK 465 ILE A 599L REMARK 465 PRO A 599M REMARK 465 SER A 599N REMARK 465 THR A 599O REMARK 465 VAL A 599P REMARK 465 ILE A 599Q REMARK 465 THR A 599R REMARK 465 ILE A 599S REMARK 465 ALA A 599T REMARK 465 GLU A 599U REMARK 465 GLU A 599V REMARK 465 TYR A 599W REMARK 465 ASP A 599X REMARK 465 ASP A 599Y REMARK 465 LYS A 599Z REMARK 465 GLN A 600A REMARK 465 PRO A 600B REMARK 465 LEU A 600C REMARK 465 THR A 600D REMARK 465 SER A 600E REMARK 465 LYS A 600F REMARK 465 GLU A 600G REMARK 465 GLU A 600H REMARK 465 GLU A 600I REMARK 465 GLU A 600J REMARK 465 ARG A 600K REMARK 465 ARG A 600L REMARK 465 ILE A 600M REMARK 465 ALA A 600N REMARK 465 GLU A 600O REMARK 465 MET A 600P REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 633 CG CD NE CZ NH1 NH2 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 OD2 ASP A 577 O HOH A 78 2.14 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 OE2 GLU A 554 O SER A 654 3647 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2DPK RELATED DB: PDB REMARK 900 RELATED ID: 2FWU RELATED DB: PDB REMARK 900 RELATED ID: 2QVM RELATED DB: PDB DBREF 2QVK A 501 654 UNP P23685 NAC1_CANFA 533 721 SEQADV 2QVK GLY A 498 UNP P23685 EXPRESSION TAG SEQADV 2QVK PRO A 499 UNP P23685 EXPRESSION TAG SEQADV 2QVK GLY A 500 UNP P23685 EXPRESSION TAG SEQRES 1 A 192 GLY PRO GLY HIS ALA GLY ILE PHE THR PHE GLU GLU PRO SEQRES 2 A 192 VAL THR HIS VAL SER GLU SER ILE GLY ILE MET GLU VAL SEQRES 3 A 192 LYS VAL LEU ARG THR SER GLY ALA ARG GLY ASN VAL ILE SEQRES 4 A 192 VAL PRO TYR LYS THR ILE GLU GLY THR ALA ARG GLY GLY SEQRES 5 A 192 GLY GLU ASP PHE GLU ASP THR CYS GLY GLU LEU GLU PHE SEQRES 6 A 192 GLN ASN ASP GLU ILE VAL LYS THR ILE SER VAL LYS VAL SEQRES 7 A 192 ILE ASP ASP GLU GLU TYR GLU LYS ASN LYS THR PHE PHE SEQRES 8 A 192 LEU GLU ILE GLY GLU PRO ARG LEU VAL GLU MET SER GLU SEQRES 9 A 192 LYS LYS ALA LEU LEU LEU ASN GLU LEU GLY GLY PHE THR SEQRES 10 A 192 ILE THR GLY LYS TYR LEU TYR GLY GLN PRO VAL PHE ARG SEQRES 11 A 192 LYS VAL HIS ALA ARG GLU HIS PRO ILE PRO SER THR VAL SEQRES 12 A 192 ILE THR ILE ALA GLU GLU TYR ASP ASP LYS GLN PRO LEU SEQRES 13 A 192 THR SER LYS GLU GLU GLU GLU ARG ARG ILE ALA GLU MET SEQRES 14 A 192 GLY ARG PRO ILE LEU GLY GLU HIS THR LYS LEU GLU VAL SEQRES 15 A 192 ILE ILE GLU GLU SER TYR GLU PHE LYS SER FORMUL 2 HOH *104(H2 O) SHEET 1 A 4 VAL A 568 LYS A 574 0 SHEET 2 A 4 ILE A 520 THR A 528 -1 N MET A 521 O VAL A 573 SHEET 3 A 4 ILE A 504 PHE A 507 -1 N THR A 506 O LEU A 526 SHEET 4 A 4 ILE A 635 LEU A 636 1 O ILE A 635 N PHE A 505 SHEET 1 B 5 VAL A 511 SER A 515 0 SHEET 2 B 5 LYS A 641 GLU A 647 1 O GLU A 647 N VAL A 514 SHEET 3 B 5 LYS A 585 ILE A 591 -1 N PHE A 587 O VAL A 644 SHEET 4 B 5 VAL A 535 GLU A 543 -1 N ILE A 542 O PHE A 588 SHEET 5 B 5 CYS A 557 PHE A 562 -1 O PHE A 562 N VAL A 535 SHEET 1 C 5 VAL A 511 SER A 515 0 SHEET 2 C 5 LYS A 641 GLU A 647 1 O GLU A 647 N VAL A 514 SHEET 3 C 5 LYS A 585 ILE A 591 -1 N PHE A 587 O VAL A 644 SHEET 4 C 5 VAL A 535 GLU A 543 -1 N ILE A 542 O PHE A 588 SHEET 5 C 5 ARG A 595 LEU A 596 -1 O ARG A 595 N ILE A 536 CRYST1 82.336 76.491 22.538 90.00 90.00 90.00 P 21 21 2 4 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 0.012145 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013073 0.000000 0.00000 SCALE3 0.000000 0.000000 0.044370 0.00000