PDB Short entry for 4L41 HEADER CALCIUM BINDING PROTEIN/TRANSFERASE 07-JUN-13 4L41 TITLE HUMAN LACTOSE SYNTHASE: A 2:1 COMPLEX BETWEEN HUMAN ALPHA-LACTALBUMIN TITLE 2 AND HUMAN BETA1,4-GALACTOSYLTRANSFERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-LACTALBUMIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 19-142; COMPND 5 SYNONYM: LACTOSE SYNTHASE B PROTEIN, LYSOZYME-LIKE PROTEIN 7; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: BETA-1,4-GALACTOSYLTRANSFERASE 1; COMPND 9 CHAIN: C; COMPND 10 FRAGMENT: UNP RESIDUES 126-398; COMPND 11 SYNONYM: BETA-1,4-GALTASE 1, BETA4GAL-T1, B4GAL-T1; COMPND 12 EC: 2.4.1.22; COMPND 13 ENGINEERED: YES; COMPND 14 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: 4-GALACTOSYLTRANSFERASE, BETA1, LALBA, LYZL7; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET23A; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: ALPHA-LACTALBUMIN, B4GALT1, GGTB2; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PET17 KEYWDS GT-A FOLD, LACTOSE SYNTHASE, SUBSTRATE BINDING, GOLGI, CALCIUM KEYWDS 2 BINDING PROTEIN-TRANSFERASE COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.RAMAKRISHNAN,P.K.QASBA REVDAT 2 20-SEP-23 4L41 1 REMARK SEQADV LINK REVDAT 1 02-OCT-13 4L41 0 JRNL AUTH B.RAMAKRISHNAN,P.K.QASBA JRNL TITL CRYSTAL STRUCTURE OF HUMAN LACTOSE SYNTHASE FORMS A NOVEL JRNL TITL 2 1:2 COMPLEX BETWEEN BETA1,4GALACTOSYLTRANSFERASE 1 AND JRNL TITL 3 ALPHA-LACTALBUMIN PROTEINS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.2_1309) 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) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.52 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 3 NUMBER OF REFLECTIONS : 13823 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.190 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.030 REMARK 3 FREE R VALUE TEST SET COUNT : 695 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 19.5214 - 4.6012 0.93 2632 140 0.1582 0.1903 REMARK 3 2 4.6012 - 3.6600 0.95 2624 137 0.1559 0.2181 REMARK 3 3 3.6600 - 3.1996 0.96 2653 141 0.1975 0.2487 REMARK 3 4 3.1996 - 2.9081 0.96 2618 152 0.2432 0.3080 REMARK 3 5 2.9081 - 2.7000 0.95 2601 125 0.2624 0.2917 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) : 0.240 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.490 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 : 0.007 4274 REMARK 3 ANGLE : 0.840 5775 REMARK 3 CHIRALITY : 0.060 628 REMARK 3 PLANARITY : 0.003 745 REMARK 3 DIHEDRAL : 16.279 1583 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 4L41 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUN-13. REMARK 100 THE DEPOSITION ID IS D_1000080153. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-SEP-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14000 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.57000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRIES 1A4V AND 2AEC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MES BUFFER PH 7.0, 12% PEG REMARK 280 4000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K, PH 6.5 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 32.60500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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: 2920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23280 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, 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 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 LEU A 124 REMARK 465 ALA C 112 REMARK 465 SER C 113 REMARK 465 MET C 114 REMARK 465 THR C 115 REMARK 465 GLY C 116 REMARK 465 GLY C 117 REMARK 465 GLN C 118 REMARK 465 GLN C 119 REMARK 465 MET C 120 REMARK 465 GLY C 121 REMARK 465 ARG C 122 REMARK 465 GLY C 123 REMARK 465 SER C 124 REMARK 465 ALA C 125 REMARK 465 LYS B 123 REMARK 465 LEU B 124 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 SG CYS A 62 SG CYS A 78 1.74 REMARK 500 OD1 ASP B 85 OG1 THR B 87 2.16 REMARK 500 REMARK 500 REMARK: NULL 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 CYS A 78 CB CYS A 78 SG -0.120 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 LEU A 60 -29.40 -148.12 REMARK 500 ASP A 75 81.08 -69.84 REMARK 500 ASP A 83 -164.63 -75.02 REMARK 500 ARG C 185 112.89 -161.07 REMARK 500 TYR C 260 54.33 -93.40 REMARK 500 PHE C 263 -165.34 -128.20 REMARK 500 ASN C 349 44.28 -141.75 REMARK 500 LEU B 60 -20.85 -155.29 REMARK 500 CYS B 62 -162.58 -126.09 REMARK 500 ILE B 99 -63.70 -97.59 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 CA A 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 80 O REMARK 620 2 ASP A 83 OD1 68.1 REMARK 620 3 ASP A 83 OD2 88.9 47.5 REMARK 620 4 ASP A 85 O 153.5 86.9 79.8 REMARK 620 5 ASP A 88 OD1 104.4 161.0 117.1 102.0 REMARK 620 6 ASP A 89 OD1 95.1 112.8 156.1 86.5 84.7 REMARK 620 7 HOH A 302 O 93.0 62.2 102.3 66.6 136.7 54.1 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS B 80 O REMARK 620 2 ASP B 83 OD1 74.8 REMARK 620 3 ASP B 85 O 134.5 72.3 REMARK 620 4 ASP B 88 OD1 84.1 86.9 63.8 REMARK 620 5 ASP B 89 OD1 97.2 146.6 93.5 59.8 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 CA A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1A4V RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ALPHA-LACTALBUMIN REMARK 900 RELATED ID: 2AEC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN BETA1,4GALACTOSYLTRANSFERASE REMARK 900 RELATED ID: 1NF5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A 1:1 COMPLEX BETWEEN MOUSE ALPHA-LACTALBUMIN REMARK 900 AND BOVINE BETA1,4-GALACTOSYLTRANSFERASE IN THE PRESENCE OF GLUCOSE REMARK 900 RELATED ID: 4KRV RELATED DB: PDB DBREF 4L41 A 1 124 UNP P00709 LALBA_HUMAN 19 142 DBREF 4L41 C 126 398 UNP P15291 B4GT1_HUMAN 126 398 DBREF 4L41 B 1 124 UNP P00709 LALBA_HUMAN 19 142 SEQADV 4L41 ALA C 112 UNP P15291 EXPRESSION TAG SEQADV 4L41 SER C 113 UNP P15291 EXPRESSION TAG SEQADV 4L41 MET C 114 UNP P15291 EXPRESSION TAG SEQADV 4L41 THR C 115 UNP P15291 EXPRESSION TAG SEQADV 4L41 GLY C 116 UNP P15291 EXPRESSION TAG SEQADV 4L41 GLY C 117 UNP P15291 EXPRESSION TAG SEQADV 4L41 GLN C 118 UNP P15291 EXPRESSION TAG SEQADV 4L41 GLN C 119 UNP P15291 EXPRESSION TAG SEQADV 4L41 MET C 120 UNP P15291 EXPRESSION TAG SEQADV 4L41 GLY C 121 UNP P15291 EXPRESSION TAG SEQADV 4L41 ARG C 122 UNP P15291 EXPRESSION TAG SEQADV 4L41 GLY C 123 UNP P15291 EXPRESSION TAG SEQADV 4L41 SER C 124 UNP P15291 EXPRESSION TAG SEQADV 4L41 ALA C 125 UNP P15291 EXPRESSION TAG SEQADV 4L41 THR C 337 UNP P15291 ARG 337 ENGINEERED MUTATION SEQADV 4L41 THR C 338 UNP P15291 CYS 338 ENGINEERED MUTATION SEQRES 1 A 124 ALA LYS GLN PHE THR LYS CYS GLU LEU SER GLN LEU LEU SEQRES 2 A 124 LYS ASP ILE ASP GLY TYR GLY GLY ILE ALA LEU PRO GLU SEQRES 3 A 124 LEU ILE CYS THR MET PHE HIS THR SER GLY TYR ASP THR SEQRES 4 A 124 GLN ALA ILE VAL GLU ASN ASN GLU SER THR GLU TYR GLY SEQRES 5 A 124 LEU PHE GLN ILE SER ASN LYS LEU TRP CYS LYS SER SER SEQRES 6 A 124 GLN VAL PRO GLN SER ARG ASN ILE CYS ASP ILE SER CYS SEQRES 7 A 124 ASP LYS PHE LEU ASP ASP ASP ILE THR ASP ASP ILE MET SEQRES 8 A 124 CYS ALA LYS LYS ILE LEU ASP ILE LYS GLY ILE ASP TYR SEQRES 9 A 124 TRP LEU ALA HIS LYS ALA LEU CYS THR GLU LYS LEU GLU SEQRES 10 A 124 GLN TRP LEU CYS GLU LYS LEU SEQRES 1 C 287 ALA SER MET THR GLY GLY GLN GLN MET GLY ARG GLY SER SEQRES 2 C 287 ALA SER LEU PRO ALA CYS PRO GLU GLU SER PRO LEU LEU SEQRES 3 C 287 VAL GLY PRO MET LEU ILE GLU PHE ASN MET PRO VAL ASP SEQRES 4 C 287 LEU GLU LEU VAL ALA LYS GLN ASN PRO ASN VAL LYS MET SEQRES 5 C 287 GLY GLY ARG TYR ALA PRO ARG ASP CYS VAL SER PRO HIS SEQRES 6 C 287 LYS VAL ALA ILE ILE ILE PRO PHE ARG ASN ARG GLN GLU SEQRES 7 C 287 HIS LEU LYS TYR TRP LEU TYR TYR LEU HIS PRO VAL LEU SEQRES 8 C 287 GLN ARG GLN GLN LEU ASP TYR GLY ILE TYR VAL ILE ASN SEQRES 9 C 287 GLN ALA GLY ASP THR ILE PHE ASN ARG ALA LYS LEU LEU SEQRES 10 C 287 ASN VAL GLY PHE GLN GLU ALA LEU LYS ASP TYR ASP TYR SEQRES 11 C 287 THR CYS PHE VAL PHE SER ASP VAL ASP LEU ILE PRO MET SEQRES 12 C 287 ASN ASP HIS ASN ALA TYR ARG CYS PHE SER GLN PRO ARG SEQRES 13 C 287 HIS ILE SER VAL ALA MET ASP LYS PHE GLY PHE SER LEU SEQRES 14 C 287 PRO TYR VAL GLN TYR PHE GLY GLY VAL SER ALA LEU SER SEQRES 15 C 287 LYS GLN GLN PHE LEU THR ILE ASN GLY PHE PRO ASN ASN SEQRES 16 C 287 TYR TRP GLY TRP GLY GLY GLU ASP ASP ASP ILE PHE ASN SEQRES 17 C 287 ARG LEU VAL PHE ARG GLY MET SER ILE SER ARG PRO ASN SEQRES 18 C 287 ALA VAL VAL GLY THR THR ARG MET ILE ARG HIS SER ARG SEQRES 19 C 287 ASP LYS LYS ASN GLU PRO ASN PRO GLN ARG PHE ASP ARG SEQRES 20 C 287 ILE ALA HIS THR LYS GLU THR MET LEU SER ASP GLY LEU SEQRES 21 C 287 ASN SER LEU THR TYR GLN VAL LEU ASP VAL GLN ARG TYR SEQRES 22 C 287 PRO LEU TYR THR GLN ILE THR VAL ASP ILE GLY THR PRO SEQRES 23 C 287 SER SEQRES 1 B 124 ALA LYS GLN PHE THR LYS CYS GLU LEU SER GLN LEU LEU SEQRES 2 B 124 LYS ASP ILE ASP GLY TYR GLY GLY ILE ALA LEU PRO GLU SEQRES 3 B 124 LEU ILE CYS THR MET PHE HIS THR SER GLY TYR ASP THR SEQRES 4 B 124 GLN ALA ILE VAL GLU ASN ASN GLU SER THR GLU TYR GLY SEQRES 5 B 124 LEU PHE GLN ILE SER ASN LYS LEU TRP CYS LYS SER SER SEQRES 6 B 124 GLN VAL PRO GLN SER ARG ASN ILE CYS ASP ILE SER CYS SEQRES 7 B 124 ASP LYS PHE LEU ASP ASP ASP ILE THR ASP ASP ILE MET SEQRES 8 B 124 CYS ALA LYS LYS ILE LEU ASP ILE LYS GLY ILE ASP TYR SEQRES 9 B 124 TRP LEU ALA HIS LYS ALA LEU CYS THR GLU LYS LEU GLU SEQRES 10 B 124 GLN TRP LEU CYS GLU LYS LEU HET CA A 201 1 HET SO4 C 401 5 HET CA B 201 1 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 4 CA 2(CA 2+) FORMUL 5 SO4 O4 S 2- FORMUL 7 HOH *31(H2 O) HELIX 1 1 THR A 5 LEU A 13 1 9 HELIX 2 2 LYS A 14 ASP A 17 5 4 HELIX 3 3 GLY A 18 ILE A 22 5 5 HELIX 4 4 ALA A 23 GLY A 36 1 14 HELIX 5 5 SER A 77 LEU A 82 5 6 HELIX 6 6 ILE A 86 GLY A 101 1 16 HELIX 7 7 ILE A 102 TRP A 105 5 4 HELIX 8 8 LEU A 106 CYS A 112 1 7 HELIX 9 9 LYS A 115 LEU A 120 5 6 HELIX 10 10 ASP C 150 ASN C 158 1 9 HELIX 11 11 ARG C 187 GLN C 205 1 19 HELIX 12 12 ASN C 223 LEU C 236 1 14 HELIX 13 13 LYS C 275 GLY C 277 5 3 HELIX 14 14 LYS C 294 ILE C 300 1 7 HELIX 15 15 GLY C 312 ARG C 324 1 13 HELIX 16 16 ASP C 346 GLU C 350 5 5 HELIX 17 17 GLN C 354 ALA C 360 1 7 HELIX 18 18 HIS C 361 MET C 366 1 6 HELIX 19 19 THR B 5 GLN B 11 1 7 HELIX 20 20 LEU B 12 ASP B 17 5 6 HELIX 21 21 ALA B 23 SER B 35 1 13 HELIX 22 22 SER B 77 PHE B 81 5 5 HELIX 23 23 ILE B 86 LYS B 100 1 15 HELIX 24 24 GLY B 101 TRP B 105 5 5 HELIX 25 25 LEU B 106 CYS B 112 1 7 HELIX 26 26 LEU B 116 LEU B 120 5 5 SHEET 1 A 3 ILE A 42 GLU A 44 0 SHEET 2 A 3 THR A 49 TYR A 51 -1 O GLU A 50 N VAL A 43 SHEET 3 A 3 ILE A 56 SER A 57 -1 O ILE A 56 N TYR A 51 SHEET 1 B 6 ARG C 166 TYR C 167 0 SHEET 2 B 6 ASP C 208 GLN C 216 -1 O TYR C 209 N TYR C 167 SHEET 3 B 6 LYS C 177 PHE C 184 1 N ILE C 180 O TYR C 212 SHEET 4 B 6 CYS C 243 SER C 247 1 O VAL C 245 N ILE C 181 SHEET 5 B 6 VAL C 289 SER C 293 -1 O SER C 290 N PHE C 246 SHEET 6 B 6 ARG C 267 HIS C 268 -1 N ARG C 267 O ALA C 291 SHEET 1 C 4 ARG C 166 TYR C 167 0 SHEET 2 C 4 ASP C 208 GLN C 216 -1 O TYR C 209 N TYR C 167 SHEET 3 C 4 THR C 388 ASP C 393 1 O VAL C 392 N ASN C 215 SHEET 4 C 4 GLN C 377 ARG C 383 -1 N GLN C 382 O GLN C 389 SHEET 1 D 3 LEU C 251 PRO C 253 0 SHEET 2 D 3 THR C 337 MET C 340 -1 O ARG C 339 N ILE C 252 SHEET 3 D 3 ALA C 272 MET C 273 1 N ALA C 272 O THR C 338 SHEET 1 E 3 ILE B 42 GLU B 44 0 SHEET 2 E 3 THR B 49 TYR B 51 -1 O GLU B 50 N VAL B 43 SHEET 3 E 3 ILE B 56 SER B 57 -1 O ILE B 56 N TYR B 51 SSBOND 1 CYS A 7 CYS A 121 1555 1555 2.03 SSBOND 2 CYS A 29 CYS A 112 1555 1555 2.03 SSBOND 3 CYS A 74 CYS A 92 1555 1555 2.03 SSBOND 4 CYS C 130 CYS C 172 1555 1555 2.02 SSBOND 5 CYS C 243 CYS C 262 1555 1555 2.03 SSBOND 6 CYS B 7 CYS B 121 1555 1555 2.03 SSBOND 7 CYS B 29 CYS B 112 1555 1555 2.03 SSBOND 8 CYS B 62 CYS B 78 1555 1555 2.03 SSBOND 9 CYS B 74 CYS B 92 1555 1555 2.03 LINK O LYS A 80 CA CA A 201 1555 1555 2.27 LINK OD1 ASP A 83 CA CA A 201 1555 1555 2.35 LINK OD2 ASP A 83 CA CA A 201 1555 1555 2.95 LINK O ASP A 85 CA CA A 201 1555 1555 2.26 LINK OD1 ASP A 88 CA CA A 201 1555 1555 2.46 LINK OD1 ASP A 89 CA CA A 201 1555 1555 2.52 LINK CA CA A 201 O HOH A 302 1555 1555 2.65 LINK O LYS B 80 CA CA B 201 1555 1555 2.40 LINK OD1 ASP B 83 CA CA B 201 1555 1555 2.33 LINK O ASP B 85 CA CA B 201 1555 1555 2.37 LINK OD1 ASP B 88 CA CA B 201 1555 1555 3.02 LINK OD1 ASP B 89 CA CA B 201 1555 1555 2.33 SITE 1 AC1 6 LYS A 80 ASP A 83 ASP A 85 ASP A 88 SITE 2 AC1 6 ASP A 89 HOH A 302 SITE 1 AC2 5 GLU C 144 PHE C 145 ASN C 146 ARG C 339 SITE 2 AC2 5 ARG C 342 SITE 1 AC3 6 LYS B 80 PHE B 81 ASP B 83 ASP B 85 SITE 2 AC3 6 ASP B 88 ASP B 89 CRYST1 62.390 65.210 71.720 90.00 114.45 90.00 P 1 21 1 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 0.016028 0.000000 0.007288 0.00000 SCALE2 0.000000 0.015335 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015317 0.00000