PDB Short entry for 1B21 HEADER HYDROLASE 03-DEC-98 1B21 TITLE DELETION OF A BURIED SALT BRIDGE IN BARNASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (BARNASE); COMPND 3 CHAIN: A, B, C; COMPND 4 EC: 3.1.27.3; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS; SOURCE 3 ORGANISM_TAXID: 1390; SOURCE 4 CELLULAR_LOCATION: EXTRACELLULAR; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PUC19; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PMT410 KEYWDS MICROBIAL RIBONUCLEASE, ALPHA/BETA PROTEIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR C.K.VAUGHAN,P.HARRYSON,A.M.BUCKLE,M.OLIVEBERG,A.R.FERSHT REVDAT 6 27-DEC-23 1B21 1 REMARK REVDAT 5 03-NOV-21 1B21 1 REMARK SEQADV LINK REVDAT 4 04-OCT-17 1B21 1 REMARK REVDAT 3 24-FEB-09 1B21 1 VERSN REVDAT 2 22-DEC-99 1B21 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 09-DEC-98 1B21 0 JRNL AUTH C.K.VAUGHAN,P.HARRYSON,A.M.BUCKLE,A.R.FERSHT JRNL TITL A STRUCTURAL DOUBLE-MUTANT CYCLE: ESTIMATING THE STRENGTH OF JRNL TITL 2 A BURIED SALT BRIDGE IN BARNASE. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 58 591 2002 JRNL REFN ISSN 0907-4449 JRNL PMID 11914482 JRNL DOI 10.1107/S0907444902001567 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Y.MAUGUEN,R.W.HARTLEY,E.J.DODSON,G.G.DODSON,G.BRICOGNE, REMARK 1 AUTH 2 C.CHOTHIA,A.JACK REMARK 1 TITL MOLECULAR STRUCTURE OF A NEW FAMILY OF RIBONUCLEASES REMARK 1 REF NATURE V. 29 162 1982 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.4 REMARK 3 NUMBER OF REFLECTIONS : 16993 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2587 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 339 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.67 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.30 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.810 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.006 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.022 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.019 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.084 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.170 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.235 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.149 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 0.000 ; 15.000 REMARK 3 PLANAR (DEGREES) : 3.300 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 16.800; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 17.700; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.821 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.369 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 0.790 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.238 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1B21 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-DEC-98. REMARK 100 THE DEPOSITION ID IS D_1000000205. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ELLIOTT GX-13 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : SUPER DOUBLE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18526 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 21.320 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.4 REMARK 200 DATA REDUNDANCY : 1.800 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.0600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 59.3 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.14400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: THE STRUCTURE WAS SOLVED BY RIGID BODY REFINEMENT USING REMARK 200 WILD-TYPE BARNASE AS THE STARTING MODEL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DROP: 8-12 MG/ML PROTEIN 6 MM ZNSO4 REMARK 280 0.6 M (NH4)2SO4 WELL: 2.58-2.73 M AMMONIUM PHOSPHATE BUFFER, PH REMARK 280 7.5 1-2 MM ZNSO4 0.15-0.30 M (NH4)2SO4 5-10 MM NH4OH REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 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 54.28000 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 27.14000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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 ALA A 1 REMARK 465 ALA B 1 REMARK 465 GLN B 2 REMARK 465 ALA C 1 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 GLN A 2 CG CD OE1 NE2 REMARK 470 GLN C 2 CG CD OE1 NE2 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 SER B 67 REMARK 475 GLY B 68 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ASP A 22 OD1 OD2 REMARK 480 LYS A 27 CD CE NZ REMARK 480 ILE A 55 CD1 REMARK 480 ARG A 59 CB CG CD NE CZ NH1 NH2 REMARK 480 LYS A 66 CE NZ REMARK 480 LYS B 19 CE NZ REMARK 480 LYS B 27 NZ REMARK 480 ARG B 59 CB CG CD NE CZ NH1 NH2 REMARK 480 LYS B 62 CG CD CE NZ REMARK 480 LEU B 63 CD2 REMARK 480 LYS B 66 C O CG CD CE NZ REMARK 480 SER B 69 N REMARK 480 GLN C 2 N CA CB REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ASP A 22 CG ASP A 22 OD2 0.228 REMARK 500 LYS B 19 CD LYS B 19 CE 0.271 REMARK 500 LYS B 27 CE LYS B 27 NZ 0.248 REMARK 500 GLN C 2 CA GLN C 2 C 0.184 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 ASP A 22 CB - CG - OD1 ANGL. DEV. = 13.5 DEGREES REMARK 500 ASP A 22 CB - CG - OD2 ANGL. DEV. = -9.7 DEGREES REMARK 500 ARG A 59 NE - CZ - NH2 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG B 59 NE - CZ - NH2 ANGL. DEV. = 4.1 DEGREES REMARK 500 LYS B 66 CB - CA - C ANGL. DEV. = -12.7 DEGREES REMARK 500 ASP C 22 CB - CG - OD2 ANGL. DEV. = 6.2 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 ASN A 5 10.92 -144.40 REMARK 500 THR A 79 -41.34 -131.29 REMARK 500 ASN B 5 16.42 -154.02 REMARK 500 PRO B 64 108.76 -48.58 REMARK 500 TYR B 103 16.81 59.23 REMARK 500 ASN C 5 22.85 -145.37 REMARK 500 ALA C 46 68.93 -153.86 REMARK 500 THR C 79 -57.66 -123.09 REMARK 500 ASP C 101 42.90 -142.91 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 ASP A 22 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 GLN C 2 20.02 REMARK 500 HIS C 102 -12.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN C 341 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 131 O REMARK 620 2 HIS C 18 ND1 98.9 REMARK 620 3 GLU C 60 OE1 100.9 127.2 REMARK 620 4 GLU C 60 OE2 155.2 95.6 54.5 REMARK 620 5 LYS C 62 NZ 94.7 110.6 115.9 98.8 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 341 DBREF 1B21 A 1 110 UNP P00648 RNBR_BACAM 48 157 DBREF 1B21 B 1 110 UNP P00648 RNBR_BACAM 48 157 DBREF 1B21 C 1 110 UNP P00648 RNBR_BACAM 48 157 SEQADV 1B21 SER A 69 UNP P00648 ARG 116 ENGINEERED MUTATION SEQADV 1B21 SER B 69 UNP P00648 ARG 116 ENGINEERED MUTATION SEQADV 1B21 SER C 69 UNP P00648 ARG 116 ENGINEERED MUTATION SEQADV 1B21 ASN A 93 UNP P00648 ASP 140 ENGINEERED MUTATION SEQADV 1B21 ASN B 93 UNP P00648 ASP 140 ENGINEERED MUTATION SEQADV 1B21 ASN C 93 UNP P00648 ASP 140 ENGINEERED MUTATION SEQRES 1 A 110 ALA GLN VAL ILE ASN THR PHE ASP GLY VAL ALA ASP TYR SEQRES 2 A 110 LEU GLN THR TYR HIS LYS LEU PRO ASP ASN TYR ILE THR SEQRES 3 A 110 LYS SER GLU ALA GLN ALA LEU GLY TRP VAL ALA SER LYS SEQRES 4 A 110 GLY ASN LEU ALA ASP VAL ALA PRO GLY LYS SER ILE GLY SEQRES 5 A 110 GLY ASP ILE PHE SER ASN ARG GLU GLY LYS LEU PRO GLY SEQRES 6 A 110 LYS SER GLY SER THR TRP ARG GLU ALA ASP ILE ASN TYR SEQRES 7 A 110 THR SER GLY PHE ARG ASN SER ASP ARG ILE LEU TYR SER SEQRES 8 A 110 SER ASN TRP LEU ILE TYR LYS THR THR ASP HIS TYR GLN SEQRES 9 A 110 THR PHE THR LYS ILE ARG SEQRES 1 B 110 ALA GLN VAL ILE ASN THR PHE ASP GLY VAL ALA ASP TYR SEQRES 2 B 110 LEU GLN THR TYR HIS LYS LEU PRO ASP ASN TYR ILE THR SEQRES 3 B 110 LYS SER GLU ALA GLN ALA LEU GLY TRP VAL ALA SER LYS SEQRES 4 B 110 GLY ASN LEU ALA ASP VAL ALA PRO GLY LYS SER ILE GLY SEQRES 5 B 110 GLY ASP ILE PHE SER ASN ARG GLU GLY LYS LEU PRO GLY SEQRES 6 B 110 LYS SER GLY SER THR TRP ARG GLU ALA ASP ILE ASN TYR SEQRES 7 B 110 THR SER GLY PHE ARG ASN SER ASP ARG ILE LEU TYR SER SEQRES 8 B 110 SER ASN TRP LEU ILE TYR LYS THR THR ASP HIS TYR GLN SEQRES 9 B 110 THR PHE THR LYS ILE ARG SEQRES 1 C 110 ALA GLN VAL ILE ASN THR PHE ASP GLY VAL ALA ASP TYR SEQRES 2 C 110 LEU GLN THR TYR HIS LYS LEU PRO ASP ASN TYR ILE THR SEQRES 3 C 110 LYS SER GLU ALA GLN ALA LEU GLY TRP VAL ALA SER LYS SEQRES 4 C 110 GLY ASN LEU ALA ASP VAL ALA PRO GLY LYS SER ILE GLY SEQRES 5 C 110 GLY ASP ILE PHE SER ASN ARG GLU GLY LYS LEU PRO GLY SEQRES 6 C 110 LYS SER GLY SER THR TRP ARG GLU ALA ASP ILE ASN TYR SEQRES 7 C 110 THR SER GLY PHE ARG ASN SER ASP ARG ILE LEU TYR SER SEQRES 8 C 110 SER ASN TRP LEU ILE TYR LYS THR THR ASP HIS TYR GLN SEQRES 9 C 110 THR PHE THR LYS ILE ARG HET ZN C 341 1 HETNAM ZN ZINC ION FORMUL 4 ZN ZN 2+ FORMUL 5 HOH *339(H2 O) HELIX 1 1 PHE A 7 TYR A 17 1 11 HELIX 2 2 LYS A 27 LEU A 33 1 7 HELIX 3 3 ALA A 37 LYS A 39 5 3 HELIX 4 4 LEU A 42 VAL A 45 1 4 HELIX 5 5 PHE B 7 TYR B 17 1 11 HELIX 6 6 LYS B 27 LEU B 33 1 7 HELIX 7 7 ALA B 37 LYS B 39 5 3 HELIX 8 8 LEU B 42 VAL B 45 1 4 HELIX 9 9 PHE C 7 TYR C 17 1 11 HELIX 10 10 LYS C 27 LEU C 33 1 7 HELIX 11 11 ALA C 37 LYS C 39 5 3 HELIX 12 12 LEU C 42 VAL C 45 1 4 SHEET 1 A 5 THR A 107 ARG A 110 0 SHEET 2 A 5 ILE A 96 THR A 99 -1 N LYS A 98 O THR A 107 SHEET 3 A 5 ARG A 87 TYR A 90 -1 N LEU A 89 O TYR A 97 SHEET 4 A 5 TRP A 71 ASP A 75 -1 N ALA A 74 O ILE A 88 SHEET 5 A 5 GLY A 52 PHE A 56 -1 N PHE A 56 O TRP A 71 SHEET 1 B 4 TRP B 71 ASP B 75 0 SHEET 2 B 4 ARG B 87 SER B 91 -1 N TYR B 90 O ARG B 72 SHEET 3 B 4 ILE B 96 THR B 99 -1 N THR B 99 O ARG B 87 SHEET 4 B 4 THR B 107 ARG B 110 -1 N ARG B 110 O ILE B 96 SHEET 1 C 5 THR C 107 ARG C 110 0 SHEET 2 C 5 ILE C 96 THR C 99 -1 N LYS C 98 O THR C 107 SHEET 3 C 5 ARG C 87 SER C 91 -1 N LEU C 89 O TYR C 97 SHEET 4 C 5 TRP C 71 ASP C 75 -1 N ALA C 74 O ILE C 88 SHEET 5 C 5 GLY C 52 PHE C 56 -1 N PHE C 56 O TRP C 71 LINK O HOH A 131 ZN ZN C 341 1555 1555 2.32 LINK ND1 HIS C 18 ZN ZN C 341 1555 1555 2.38 LINK OE1 GLU C 60 ZN ZN C 341 2654 1555 2.35 LINK OE2 GLU C 60 ZN ZN C 341 2654 1555 2.49 LINK NZ LYS C 62 ZN ZN C 341 2654 1555 2.45 SITE 1 AC1 4 HOH A 131 HIS C 18 GLU C 60 LYS C 62 CRYST1 57.780 57.780 81.420 90.00 90.00 120.00 P 32 9 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 0.017307 0.009992 0.000000 0.00000 SCALE2 0.000000 0.019984 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012282 0.00000 MTRIX1 1 0.747480 0.658167 0.089941 1.03040 1 MTRIX2 1 0.657333 -0.752383 0.042806 72.63820 1 MTRIX3 1 0.095844 0.027124 -0.995027 100.04430 1 MTRIX1 2 0.562404 0.822837 0.081494 -5.21030 1 MTRIX2 2 0.821185 -0.567353 0.061365 33.29900 1 MTRIX3 2 0.096730 0.032409 -0.994783 80.43850 1