HEADER LYASE 16-APR-14 4PCU TITLE CRYSTAL STRUCTURE OF DELTA516-525 E201S HUMAN CYSTATHIONINE BETA- TITLE 2 SYNTHASE WITH ADOMET CAVEAT 4PCU C-N BOND DISTANCE IS OUTSIDE OF THE NORMAL RANGE FOR CAVEAT 2 4PCU RESIDUES GLN B515 AND GLN B526 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTATHIONINE BETA-SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BETA-THIONASE, SERINE SULFHYDRASE; COMPND 5 EC: 4.2.1.22; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CBS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CBS DOMAIN, HOMOCYTEINE, CYSTEINE BIOSYNTHESIS, HEME, PYRIDOXAL 5'- KEYWDS 2 PHOSPHATE, S-ADENOSYLMETHIONINE, TRANSSULFURATION PATHWAY, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR J.ERENO-ORBEA,T.MAJTAN,I.OYENARTE,J.P.KRAUS,L.A.MARTINEZ-CRUZ REVDAT 4 27-DEC-23 4PCU 1 REMARK REVDAT 3 22-NOV-17 4PCU 1 SOURCE JRNL REMARK REVDAT 2 01-OCT-14 4PCU 1 JRNL REVDAT 1 24-SEP-14 4PCU 0 JRNL AUTH J.ERENO-ORBEA,T.MAJTAN,I.OYENARTE,J.P.KRAUS, JRNL AUTH 2 L.A.MARTINEZ-CRUZ JRNL TITL STRUCTURAL INSIGHT INTO THE MOLECULAR MECHANISM OF JRNL TITL 2 ALLOSTERIC ACTIVATION OF HUMAN CYSTATHIONINE BETA-SYNTHASE JRNL TITL 3 BY S-ADENOSYLMETHIONINE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 111 E3845 2014 JRNL REFN ESSN 1091-6490 JRNL PMID 25197074 JRNL DOI 10.1073/PNAS.1414545111 REMARK 2 REMARK 2 RESOLUTION. 3.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.9_1692) 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) : 3.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.81 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 14851 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.258 REMARK 3 R VALUE (WORKING SET) : 0.257 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.080 REMARK 3 FREE R VALUE TEST SET COUNT : 755 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 40.8080 - 6.1131 0.98 2915 148 0.2256 0.2255 REMARK 3 2 6.1131 - 4.8547 1.00 2868 144 0.2504 0.2865 REMARK 3 3 4.8547 - 4.2418 0.99 2817 145 0.2451 0.2662 REMARK 3 4 4.2418 - 3.8543 0.99 2792 178 0.2917 0.3373 REMARK 3 5 3.8543 - 3.5782 0.95 2704 140 0.3595 0.3613 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) : 0.610 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.700 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 105.5 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 117.7 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 : 0.009 7730 REMARK 3 ANGLE : 1.302 10540 REMARK 3 CHIRALITY : 0.428 1198 REMARK 3 PLANARITY : 0.011 1344 REMARK 3 DIHEDRAL : 11.994 2799 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): -47.7086 21.7549 1.6786 REMARK 3 T TENSOR REMARK 3 T11: 0.5871 T22: 0.6328 REMARK 3 T33: 0.6729 T12: 0.0165 REMARK 3 T13: -0.0782 T23: -0.1558 REMARK 3 L TENSOR REMARK 3 L11: -0.0867 L22: 0.4702 REMARK 3 L33: 0.2592 L12: 0.1802 REMARK 3 L13: 0.2909 L23: -0.1454 REMARK 3 S TENSOR REMARK 3 S11: 0.1180 S12: 0.2192 S13: -0.0652 REMARK 3 S21: 0.0965 S22: 0.1024 S23: -0.1944 REMARK 3 S31: 0.0179 S32: 0.0359 S33: -0.0013 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 4PCU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JUN-14. REMARK 100 THE DEPOSITION ID IS D_1000201169. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAR-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALBA REMARK 200 BEAMLINE : XALOC REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9793 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XSCALE REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14903 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.578 REMARK 200 RESOLUTION RANGE LOW (A) : 40.805 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 3.390 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.0100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% (VOL/VOL) POLYETHYLENE GLYCOL REMARK 280 MONOMETHYL ETHER 3350 AND 0.34MM SAM, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-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 36.17600 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 72.35200 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 72.35200 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 36.17600 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9340 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 38450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -86.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 MET A 1 REMARK 465 GLY A 2 REMARK 465 SER A 3 REMARK 465 GLU A 4 REMARK 465 THR A 5 REMARK 465 PRO A 6 REMARK 465 GLN A 7 REMARK 465 ALA A 8 REMARK 465 GLU A 9 REMARK 465 VAL A 10 REMARK 465 GLY A 11 REMARK 465 PRO A 12 REMARK 465 THR A 13 REMARK 465 GLY A 14 REMARK 465 CYS A 15 REMARK 465 PRO A 16 REMARK 465 HIS A 17 REMARK 465 ARG A 18 REMARK 465 SER A 19 REMARK 465 GLY A 20 REMARK 465 PRO A 21 REMARK 465 HIS A 22 REMARK 465 SER A 23 REMARK 465 ALA A 24 REMARK 465 LYS A 25 REMARK 465 GLY A 26 REMARK 465 SER A 27 REMARK 465 LEU A 28 REMARK 465 GLU A 29 REMARK 465 LYS A 30 REMARK 465 GLY A 31 REMARK 465 SER A 32 REMARK 465 PRO A 33 REMARK 465 GLU A 34 REMARK 465 ASP A 35 REMARK 465 LYS A 36 REMARK 465 GLU A 37 REMARK 465 ALA A 38 REMARK 465 LYS A 39 REMARK 465 GLU A 40 REMARK 465 PRO A 41 REMARK 465 LEU A 42 REMARK 465 THR A 193 REMARK 465 ASN A 194 REMARK 465 THR A 403 REMARK 465 GLU A 404 REMARK 465 GLN A 525 REMARK 465 GLN A 526 REMARK 465 ARG A 527 REMARK 465 GLN A 546 REMARK 465 GLU A 547 REMARK 465 ARG A 548 REMARK 465 ASP A 549 REMARK 465 GLN A 550 REMARK 465 LYS A 551 REMARK 465 GLU A 552 REMARK 465 LEU A 553 REMARK 465 HIS A 554 REMARK 465 HIS A 555 REMARK 465 HIS A 556 REMARK 465 HIS A 557 REMARK 465 HIS A 558 REMARK 465 HIS A 559 REMARK 465 MET B 1 REMARK 465 GLY B 2 REMARK 465 SER B 3 REMARK 465 GLU B 4 REMARK 465 THR B 5 REMARK 465 PRO B 6 REMARK 465 GLN B 7 REMARK 465 ALA B 8 REMARK 465 GLU B 9 REMARK 465 VAL B 10 REMARK 465 GLY B 11 REMARK 465 PRO B 12 REMARK 465 THR B 13 REMARK 465 GLY B 14 REMARK 465 CYS B 15 REMARK 465 PRO B 16 REMARK 465 HIS B 17 REMARK 465 ARG B 18 REMARK 465 SER B 19 REMARK 465 GLY B 20 REMARK 465 PRO B 21 REMARK 465 HIS B 22 REMARK 465 SER B 23 REMARK 465 ALA B 24 REMARK 465 LYS B 25 REMARK 465 GLY B 26 REMARK 465 SER B 27 REMARK 465 LEU B 28 REMARK 465 GLU B 29 REMARK 465 LYS B 30 REMARK 465 GLY B 31 REMARK 465 SER B 32 REMARK 465 PRO B 33 REMARK 465 GLU B 34 REMARK 465 ASP B 35 REMARK 465 LYS B 36 REMARK 465 GLU B 37 REMARK 465 ALA B 38 REMARK 465 LYS B 39 REMARK 465 GLU B 40 REMARK 465 PRO B 41 REMARK 465 LEU B 42 REMARK 465 LEU B 402 REMARK 465 THR B 403 REMARK 465 GLU B 404 REMARK 465 LYS B 405 REMARK 465 LYS B 406 REMARK 465 PRO B 407 REMARK 465 ARG B 548 REMARK 465 ASP B 549 REMARK 465 GLN B 550 REMARK 465 LYS B 551 REMARK 465 GLU B 552 REMARK 465 LEU B 553 REMARK 465 HIS B 554 REMARK 465 HIS B 555 REMARK 465 HIS B 556 REMARK 465 HIS B 557 REMARK 465 HIS B 558 REMARK 465 HIS B 559 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 LYS A 172 CG CD CE NZ REMARK 470 GLN A 295 CG CD OE1 NE2 REMARK 470 GLU A 297 CG CD OE1 OE2 REMARK 470 ARG A 389 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 398 CG CD CE NZ REMARK 470 GLU A 399 CG CD OE1 OE2 REMARK 470 GLU A 400 CG CD OE1 OE2 REMARK 470 ASP A 401 CG OD1 OD2 REMARK 470 LEU A 402 CG CD1 CD2 REMARK 470 LYS A 405 CG CD CE NZ REMARK 470 LYS A 406 CG CD CE NZ REMARK 470 LEU A 412 CG CD1 CD2 REMARK 470 ILE A 455 CG1 CG2 CD1 REMARK 470 LYS A 472 CE NZ REMARK 470 LYS A 481 CE NZ REMARK 470 LYS A 485 CD CE NZ REMARK 470 GLN A 486 CG CD OE1 NE2 REMARK 470 LYS A 488 CG CD CE NZ REMARK 470 MET A 505 CG SD CE REMARK 470 GLN A 528 CG CD OE1 NE2 REMARK 470 LYS B 172 CG CD CE NZ REMARK 470 GLN B 295 CG CD OE1 NE2 REMARK 470 GLU B 297 CG CD OE1 OE2 REMARK 470 ARG B 389 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 398 CG CD CE NZ REMARK 470 GLU B 399 CG CD OE1 OE2 REMARK 470 GLU B 400 CG CD OE1 OE2 REMARK 470 ASP B 401 CG OD1 OD2 REMARK 470 LEU B 412 CG CD1 CD2 REMARK 470 ARG B 439 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 481 CG CD CE NZ REMARK 470 ILE B 483 CG1 CG2 CD1 REMARK 470 ARG B 491 CG CD NE CZ NH1 NH2 REMARK 470 MET B 505 CG SD CE REMARK 470 GLU B 514 CG CD OE1 OE2 REMARK 470 ARG B 527 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 NZ LYS B 119 C4A PLP B 602 1.60 REMARK 500 O THR B 428 N ILE B 429 1.78 REMARK 500 OE1 GLN A 393 O HIS A 501 2.10 REMARK 500 OG SER B 285 O GLY B 307 2.16 REMARK 500 O ILE A 435 CG ARG A 439 2.19 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 OE1 GLU B 416 OE1 GLU B 416 6555 1.60 REMARK 500 OE2 GLU A 416 NE ARG B 209 5554 1.93 REMARK 500 CD GLU B 416 OE1 GLU B 416 6555 2.18 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 TRP A 408 C TRP A 409 N 0.256 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 GLU A 399 N - CA - C ANGL. DEV. = 26.9 DEGREES REMARK 500 LEU A 492 CA - CB - CG ANGL. DEV. = 17.0 DEGREES REMARK 500 LEU A 510 CA - CB - CG ANGL. DEV. = 16.6 DEGREES REMARK 500 PRO B 427 C - N - CD ANGL. DEV. = -14.2 DEGREES REMARK 500 THR B 428 CA - C - N ANGL. DEV. = 31.2 DEGREES REMARK 500 THR B 428 O - C - N ANGL. DEV. = -30.5 DEGREES REMARK 500 ILE B 429 C - N - CA ANGL. DEV. = 18.7 DEGREES REMARK 500 GLN B 445 N - CA - C ANGL. DEV. = 18.2 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 PRO A 170 176.79 -56.93 REMARK 500 LYS A 172 -73.68 -79.30 REMARK 500 MET A 173 78.85 46.25 REMARK 500 SER A 174 127.66 -33.83 REMARK 500 ASN A 216 15.06 59.36 REMARK 500 ASP A 221 77.74 57.09 REMARK 500 THR A 235 -70.72 -100.66 REMARK 500 LYS A 384 -91.80 -110.21 REMARK 500 GLU A 400 164.51 175.38 REMARK 500 PHE A 531 -64.11 -130.91 REMARK 500 PRO B 170 174.95 -55.13 REMARK 500 SER B 202 -166.60 -128.35 REMARK 500 ASN B 216 16.33 58.26 REMARK 500 ASP B 221 78.52 56.95 REMARK 500 THR B 235 -70.48 -100.76 REMARK 500 ASP B 309 -16.71 -43.31 REMARK 500 LYS B 384 -91.94 -111.04 REMARK 500 GLN B 445 -169.28 -160.42 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 ALA B 446 PRO B 447 138.52 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 TRP A 408 -10.89 REMARK 500 GLN B 546 -14.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 PLP B 602 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 HEM A 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 52 SG REMARK 620 2 HEM A 601 NA 90.0 REMARK 620 3 HEM A 601 NB 90.0 89.8 REMARK 620 4 HEM A 601 NC 89.9 179.8 90.2 REMARK 620 5 HEM A 601 ND 90.0 90.0 179.7 90.1 REMARK 620 6 HIS A 65 NE2 179.8 89.8 90.0 90.3 90.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 52 SG REMARK 620 2 HEM B 601 NA 89.9 REMARK 620 3 HEM B 601 NB 90.2 90.3 REMARK 620 4 HEM B 601 NC 89.9 179.4 90.3 REMARK 620 5 HEM B 601 ND 90.1 89.3 179.5 90.1 REMARK 620 6 HIS B 65 NE2 180.0 90.1 89.8 90.1 89.9 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PLP A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SAM A 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PLP B 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SAM B 603 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4L0D RELATED DB: PDB REMARK 900 RELATED ID: 4L3V RELATED DB: PDB REMARK 900 RELATED ID: 4L28 RELATED DB: PDB REMARK 900 RELATED ID: 4L27 RELATED DB: PDB DBREF 4PCU A 1 551 UNP P35520 CBS_HUMAN 1 551 DBREF 4PCU B 1 551 UNP P35520 CBS_HUMAN 1 551 SEQADV 4PCU GLY A 2 UNP P35520 PRO 2 CONFLICT SEQADV 4PCU SER A 201 UNP P35520 GLU 201 ENGINEERED MUTATION SEQADV 4PCU A UNP P35520 ILE 516 DELETION SEQADV 4PCU A UNP P35520 GLN 517 DELETION SEQADV 4PCU A UNP P35520 TYR 518 DELETION SEQADV 4PCU A UNP P35520 HIS 519 DELETION SEQADV 4PCU A UNP P35520 SER 520 DELETION SEQADV 4PCU A UNP P35520 THR 521 DELETION SEQADV 4PCU A UNP P35520 GLY 522 DELETION SEQADV 4PCU A UNP P35520 LYS 523 DELETION SEQADV 4PCU A UNP P35520 SER 524 DELETION SEQADV 4PCU A UNP P35520 SER 525 DELETION SEQADV 4PCU GLU A 552 UNP P35520 EXPRESSION TAG SEQADV 4PCU LEU A 553 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS A 554 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS A 555 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS A 556 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS A 557 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS A 558 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS A 559 UNP P35520 EXPRESSION TAG SEQADV 4PCU GLY B 2 UNP P35520 PRO 2 CONFLICT SEQADV 4PCU SER B 201 UNP P35520 GLU 201 ENGINEERED MUTATION SEQADV 4PCU B UNP P35520 ILE 516 DELETION SEQADV 4PCU B UNP P35520 GLN 517 DELETION SEQADV 4PCU B UNP P35520 TYR 518 DELETION SEQADV 4PCU B UNP P35520 HIS 519 DELETION SEQADV 4PCU B UNP P35520 SER 520 DELETION SEQADV 4PCU B UNP P35520 THR 521 DELETION SEQADV 4PCU B UNP P35520 GLY 522 DELETION SEQADV 4PCU B UNP P35520 LYS 523 DELETION SEQADV 4PCU B UNP P35520 SER 524 DELETION SEQADV 4PCU B UNP P35520 SER 525 DELETION SEQADV 4PCU GLU B 552 UNP P35520 EXPRESSION TAG SEQADV 4PCU LEU B 553 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS B 554 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS B 555 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS B 556 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS B 557 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS B 558 UNP P35520 EXPRESSION TAG SEQADV 4PCU HIS B 559 UNP P35520 EXPRESSION TAG SEQRES 1 A 549 MET GLY SER GLU THR PRO GLN ALA GLU VAL GLY PRO THR SEQRES 2 A 549 GLY CYS PRO HIS ARG SER GLY PRO HIS SER ALA LYS GLY SEQRES 3 A 549 SER LEU GLU LYS GLY SER PRO GLU ASP LYS GLU ALA LYS SEQRES 4 A 549 GLU PRO LEU TRP ILE ARG PRO ASP ALA PRO SER ARG CYS SEQRES 5 A 549 THR TRP GLN LEU GLY ARG PRO ALA SER GLU SER PRO HIS SEQRES 6 A 549 HIS HIS THR ALA PRO ALA LYS SER PRO LYS ILE LEU PRO SEQRES 7 A 549 ASP ILE LEU LYS LYS ILE GLY ASP THR PRO MET VAL ARG SEQRES 8 A 549 ILE ASN LYS ILE GLY LYS LYS PHE GLY LEU LYS CYS GLU SEQRES 9 A 549 LEU LEU ALA LYS CYS GLU PHE PHE ASN ALA GLY GLY SER SEQRES 10 A 549 VAL LYS ASP ARG ILE SER LEU ARG MET ILE GLU ASP ALA SEQRES 11 A 549 GLU ARG ASP GLY THR LEU LYS PRO GLY ASP THR ILE ILE SEQRES 12 A 549 GLU PRO THR SER GLY ASN THR GLY ILE GLY LEU ALA LEU SEQRES 13 A 549 ALA ALA ALA VAL ARG GLY TYR ARG CYS ILE ILE VAL MET SEQRES 14 A 549 PRO GLU LYS MET SER SER GLU LYS VAL ASP VAL LEU ARG SEQRES 15 A 549 ALA LEU GLY ALA GLU ILE VAL ARG THR PRO THR ASN ALA SEQRES 16 A 549 ARG PHE ASP SER PRO SER SER HIS VAL GLY VAL ALA TRP SEQRES 17 A 549 ARG LEU LYS ASN GLU ILE PRO ASN SER HIS ILE LEU ASP SEQRES 18 A 549 GLN TYR ARG ASN ALA SER ASN PRO LEU ALA HIS TYR ASP SEQRES 19 A 549 THR THR ALA ASP GLU ILE LEU GLN GLN CYS ASP GLY LYS SEQRES 20 A 549 LEU ASP MET LEU VAL ALA SER VAL GLY THR GLY GLY THR SEQRES 21 A 549 ILE THR GLY ILE ALA ARG LYS LEU LYS GLU LYS CYS PRO SEQRES 22 A 549 GLY CYS ARG ILE ILE GLY VAL ASP PRO GLU GLY SER ILE SEQRES 23 A 549 LEU ALA GLU PRO GLU GLU LEU ASN GLN THR GLU GLN THR SEQRES 24 A 549 THR TYR GLU VAL GLU GLY ILE GLY TYR ASP PHE ILE PRO SEQRES 25 A 549 THR VAL LEU ASP ARG THR VAL VAL ASP LYS TRP PHE LYS SEQRES 26 A 549 SER ASN ASP GLU GLU ALA PHE THR PHE ALA ARG MET LEU SEQRES 27 A 549 ILE ALA GLN GLU GLY LEU LEU CYS GLY GLY SER ALA GLY SEQRES 28 A 549 SER THR VAL ALA VAL ALA VAL LYS ALA ALA GLN GLU LEU SEQRES 29 A 549 GLN GLU GLY GLN ARG CYS VAL VAL ILE LEU PRO ASP SER SEQRES 30 A 549 VAL ARG ASN TYR MET THR LYS PHE LEU SER ASP ARG TRP SEQRES 31 A 549 MET LEU GLN LYS GLY PHE LEU LYS GLU GLU ASP LEU THR SEQRES 32 A 549 GLU LYS LYS PRO TRP TRP TRP HIS LEU ARG VAL GLN GLU SEQRES 33 A 549 LEU GLY LEU SER ALA PRO LEU THR VAL LEU PRO THR ILE SEQRES 34 A 549 THR CYS GLY HIS THR ILE GLU ILE LEU ARG GLU LYS GLY SEQRES 35 A 549 PHE ASP GLN ALA PRO VAL VAL ASP GLU ALA GLY VAL ILE SEQRES 36 A 549 LEU GLY MET VAL THR LEU GLY ASN MET LEU SER SER LEU SEQRES 37 A 549 LEU ALA GLY LYS VAL GLN PRO SER ASP GLN VAL GLY LYS SEQRES 38 A 549 VAL ILE TYR LYS GLN PHE LYS GLN ILE ARG LEU THR ASP SEQRES 39 A 549 THR LEU GLY ARG LEU SER HIS ILE LEU GLU MET ASP HIS SEQRES 40 A 549 PHE ALA LEU VAL VAL HIS GLU GLN GLN ARG GLN MET VAL SEQRES 41 A 549 PHE GLY VAL VAL THR ALA ILE ASP LEU LEU ASN PHE VAL SEQRES 42 A 549 ALA ALA GLN GLU ARG ASP GLN LYS GLU LEU HIS HIS HIS SEQRES 43 A 549 HIS HIS HIS SEQRES 1 B 549 MET GLY SER GLU THR PRO GLN ALA GLU VAL GLY PRO THR SEQRES 2 B 549 GLY CYS PRO HIS ARG SER GLY PRO HIS SER ALA LYS GLY SEQRES 3 B 549 SER LEU GLU LYS GLY SER PRO GLU ASP LYS GLU ALA LYS SEQRES 4 B 549 GLU PRO LEU TRP ILE ARG PRO ASP ALA PRO SER ARG CYS SEQRES 5 B 549 THR TRP GLN LEU GLY ARG PRO ALA SER GLU SER PRO HIS SEQRES 6 B 549 HIS HIS THR ALA PRO ALA LYS SER PRO LYS ILE LEU PRO SEQRES 7 B 549 ASP ILE LEU LYS LYS ILE GLY ASP THR PRO MET VAL ARG SEQRES 8 B 549 ILE ASN LYS ILE GLY LYS LYS PHE GLY LEU LYS CYS GLU SEQRES 9 B 549 LEU LEU ALA LYS CYS GLU PHE PHE ASN ALA GLY GLY SER SEQRES 10 B 549 VAL LYS ASP ARG ILE SER LEU ARG MET ILE GLU ASP ALA SEQRES 11 B 549 GLU ARG ASP GLY THR LEU LYS PRO GLY ASP THR ILE ILE SEQRES 12 B 549 GLU PRO THR SER GLY ASN THR GLY ILE GLY LEU ALA LEU SEQRES 13 B 549 ALA ALA ALA VAL ARG GLY TYR ARG CYS ILE ILE VAL MET SEQRES 14 B 549 PRO GLU LYS MET SER SER GLU LYS VAL ASP VAL LEU ARG SEQRES 15 B 549 ALA LEU GLY ALA GLU ILE VAL ARG THR PRO THR ASN ALA SEQRES 16 B 549 ARG PHE ASP SER PRO SER SER HIS VAL GLY VAL ALA TRP SEQRES 17 B 549 ARG LEU LYS ASN GLU ILE PRO ASN SER HIS ILE LEU ASP SEQRES 18 B 549 GLN TYR ARG ASN ALA SER ASN PRO LEU ALA HIS TYR ASP SEQRES 19 B 549 THR THR ALA ASP GLU ILE LEU GLN GLN CYS ASP GLY LYS SEQRES 20 B 549 LEU ASP MET LEU VAL ALA SER VAL GLY THR GLY GLY THR SEQRES 21 B 549 ILE THR GLY ILE ALA ARG LYS LEU LYS GLU LYS CYS PRO SEQRES 22 B 549 GLY CYS ARG ILE ILE GLY VAL ASP PRO GLU GLY SER ILE SEQRES 23 B 549 LEU ALA GLU PRO GLU GLU LEU ASN GLN THR GLU GLN THR SEQRES 24 B 549 THR TYR GLU VAL GLU GLY ILE GLY TYR ASP PHE ILE PRO SEQRES 25 B 549 THR VAL LEU ASP ARG THR VAL VAL ASP LYS TRP PHE LYS SEQRES 26 B 549 SER ASN ASP GLU GLU ALA PHE THR PHE ALA ARG MET LEU SEQRES 27 B 549 ILE ALA GLN GLU GLY LEU LEU CYS GLY GLY SER ALA GLY SEQRES 28 B 549 SER THR VAL ALA VAL ALA VAL LYS ALA ALA GLN GLU LEU SEQRES 29 B 549 GLN GLU GLY GLN ARG CYS VAL VAL ILE LEU PRO ASP SER SEQRES 30 B 549 VAL ARG ASN TYR MET THR LYS PHE LEU SER ASP ARG TRP SEQRES 31 B 549 MET LEU GLN LYS GLY PHE LEU LYS GLU GLU ASP LEU THR SEQRES 32 B 549 GLU LYS LYS PRO TRP TRP TRP HIS LEU ARG VAL GLN GLU SEQRES 33 B 549 LEU GLY LEU SER ALA PRO LEU THR VAL LEU PRO THR ILE SEQRES 34 B 549 THR CYS GLY HIS THR ILE GLU ILE LEU ARG GLU LYS GLY SEQRES 35 B 549 PHE ASP GLN ALA PRO VAL VAL ASP GLU ALA GLY VAL ILE SEQRES 36 B 549 LEU GLY MET VAL THR LEU GLY ASN MET LEU SER SER LEU SEQRES 37 B 549 LEU ALA GLY LYS VAL GLN PRO SER ASP GLN VAL GLY LYS SEQRES 38 B 549 VAL ILE TYR LYS GLN PHE LYS GLN ILE ARG LEU THR ASP SEQRES 39 B 549 THR LEU GLY ARG LEU SER HIS ILE LEU GLU MET ASP HIS SEQRES 40 B 549 PHE ALA LEU VAL VAL HIS GLU GLN GLN ARG GLN MET VAL SEQRES 41 B 549 PHE GLY VAL VAL THR ALA ILE ASP LEU LEU ASN PHE VAL SEQRES 42 B 549 ALA ALA GLN GLU ARG ASP GLN LYS GLU LEU HIS HIS HIS SEQRES 43 B 549 HIS HIS HIS HET HEM A 601 43 HET PLP A 602 15 HET SAM A 603 27 HET HEM B 601 43 HET PLP B 602 15 HET SAM B 603 27 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM SAM S-ADENOSYLMETHIONINE HETSYN HEM HEME HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 PLP 2(C8 H10 N O6 P) FORMUL 5 SAM 2(C15 H22 N6 O5 S) HELIX 1 AA1 PRO A 59 SER A 63 5 5 HELIX 2 AA2 ASP A 79 ILE A 84 5 6 HELIX 3 AA3 ASN A 93 PHE A 99 1 7 HELIX 4 AA4 PHE A 111 ASN A 113 5 3 HELIX 5 AA5 VAL A 118 GLY A 134 1 17 HELIX 6 AA6 GLY A 148 GLY A 162 1 15 HELIX 7 AA7 SER A 174 GLY A 185 1 12 HELIX 8 AA8 VAL A 204 ILE A 214 1 11 HELIX 9 AA9 ALA A 226 THR A 235 1 10 HELIX 10 AB1 THR A 235 CYS A 244 1 10 HELIX 11 AB2 GLY A 258 CYS A 272 1 15 HELIX 12 AB3 PRO A 290 GLN A 295 5 6 HELIX 13 AB4 ASN A 327 GLY A 343 1 17 HELIX 14 AB5 GLY A 347 ALA A 361 1 15 HELIX 15 AB6 GLN A 362 LEU A 364 5 3 HELIX 16 AB7 SER A 377 MET A 382 5 6 HELIX 17 AB8 SER A 387 LYS A 394 1 8 HELIX 18 AB9 PRO A 407 LEU A 412 5 6 HELIX 19 AC1 ARG A 413 GLY A 418 5 6 HELIX 20 AC2 THR A 430 GLY A 442 1 13 HELIX 21 AC3 LEU A 461 ALA A 470 1 10 HELIX 22 AC4 GLN A 478 VAL A 482 5 5 HELIX 23 AC5 THR A 495 ASP A 506 1 12 HELIX 24 AC6 THR A 535 ALA A 544 1 10 HELIX 25 AC7 PRO B 59 SER B 63 5 5 HELIX 26 AC8 ASP B 79 ILE B 84 5 6 HELIX 27 AC9 ASN B 93 PHE B 99 1 7 HELIX 28 AD1 PHE B 111 ASN B 113 5 3 HELIX 29 AD2 VAL B 118 GLY B 134 1 17 HELIX 30 AD3 THR B 150 GLY B 162 1 13 HELIX 31 AD4 SER B 174 GLY B 185 1 12 HELIX 32 AD5 VAL B 204 ILE B 214 1 11 HELIX 33 AD6 ALA B 226 THR B 235 1 10 HELIX 34 AD7 THR B 235 CYS B 244 1 10 HELIX 35 AD8 GLY B 258 CYS B 272 1 15 HELIX 36 AD9 PRO B 290 GLN B 295 5 6 HELIX 37 AE1 ASN B 327 GLY B 343 1 17 HELIX 38 AE2 GLY B 347 ALA B 361 1 15 HELIX 39 AE3 GLN B 362 LEU B 364 5 3 HELIX 40 AE4 SER B 377 MET B 382 5 6 HELIX 41 AE5 SER B 387 LYS B 394 1 8 HELIX 42 AE6 ARG B 413 GLY B 418 5 6 HELIX 43 AE7 THR B 430 LYS B 441 1 12 HELIX 44 AE8 LEU B 461 ALA B 470 1 10 HELIX 45 AE9 GLN B 478 VAL B 482 5 5 HELIX 46 AF1 THR B 495 ASP B 506 1 12 HELIX 47 AF2 THR B 535 GLU B 547 1 13 SHEET 1 AA1 7 ILE A 76 LEU A 77 0 SHEET 2 AA1 7 MET B 89 ARG B 91 1 O MET B 89 N LEU A 77 SHEET 3 AA1 7 GLU B 104 CYS B 109 -1 O ALA B 107 N VAL B 90 SHEET 4 AA1 7 ARG B 369 LEU B 374 1 O CYS B 370 N LEU B 106 SHEET 5 AA1 7 MET B 250 SER B 254 1 N MET B 250 O VAL B 371 SHEET 6 AA1 7 ARG B 276 PRO B 282 1 O ILE B 278 N LEU B 251 SHEET 7 AA1 7 LYS B 322 SER B 326 1 O PHE B 324 N ASP B 281 SHEET 1 AA2 7 LYS A 322 SER A 326 0 SHEET 2 AA2 7 ARG A 276 PRO A 282 1 N ASP A 281 O PHE A 324 SHEET 3 AA2 7 MET A 250 SER A 254 1 N LEU A 251 O ILE A 278 SHEET 4 AA2 7 ARG A 369 LEU A 374 1 O VAL A 371 N VAL A 252 SHEET 5 AA2 7 GLU A 104 CYS A 109 1 N LEU A 106 O CYS A 370 SHEET 6 AA2 7 MET A 89 ARG A 91 -1 N VAL A 90 O ALA A 107 SHEET 7 AA2 7 ILE B 76 LEU B 77 1 O LEU B 77 N MET A 89 SHEET 1 AA3 4 GLU A 187 ARG A 190 0 SHEET 2 AA3 4 ARG A 164 MET A 169 1 N ILE A 167 O GLU A 187 SHEET 3 AA3 4 THR A 141 GLU A 144 1 N ILE A 142 O ILE A 166 SHEET 4 AA3 4 SER A 217 HIS A 218 1 O HIS A 218 N ILE A 143 SHEET 1 AA4 2 GLN A 445 VAL A 449 0 SHEET 2 AA4 2 ILE A 455 THR A 460 -1 O VAL A 459 N ALA A 446 SHEET 1 AA5 4 GLU B 187 THR B 191 0 SHEET 2 AA5 4 ARG B 164 PRO B 170 1 N ILE B 167 O GLU B 187 SHEET 3 AA5 4 THR B 141 GLU B 144 1 N ILE B 142 O ILE B 166 SHEET 4 AA5 4 SER B 217 HIS B 218 1 O HIS B 218 N ILE B 143 SHEET 1 AA6 2 GLN B 445 VAL B 449 0 SHEET 2 AA6 2 ILE B 455 THR B 460 -1 O LEU B 456 N VAL B 448 SHEET 1 AA7 2 ALA B 509 VAL B 511 0 SHEET 2 AA7 2 GLY B 532 VAL B 534 -1 N GLY B 532 O VAL B 511 LINK NZ LYS A 119 C4A PLP A 602 1555 1555 1.56 LINK SG CYS A 52 FE HEM A 601 1555 1555 2.32 LINK NE2 HIS A 65 FE HEM A 601 1555 1555 2.19 LINK SG CYS B 52 FE HEM B 601 1555 1555 2.34 LINK NE2 HIS B 65 FE HEM B 601 1555 1555 2.19 CISPEP 1 GLU A 289 PRO A 290 0 -0.61 CISPEP 2 GLU B 289 PRO B 290 0 -0.92 SITE 1 AC1 19 PRO A 49 SER A 50 ARG A 51 CYS A 52 SITE 2 AC1 19 THR A 53 TRP A 54 PRO A 59 GLU A 62 SITE 3 AC1 19 SER A 63 PRO A 64 HIS A 65 ALA A 226 SITE 4 AC1 19 PRO A 229 TYR A 233 GLY A 263 ARG A 266 SITE 5 AC1 19 THR A 313 ARG B 58 HEM B 601 SITE 1 AC2 13 LYS A 119 ASN A 149 SER A 254 GLY A 256 SITE 2 AC2 13 THR A 257 GLY A 258 THR A 260 GLU A 304 SITE 3 AC2 13 GLY A 305 ILE A 306 SER A 349 PRO A 375 SITE 4 AC2 13 ASP A 376 SITE 1 AC3 12 ALA A 421 PRO A 422 LEU A 423 GLY A 442 SITE 2 AC3 12 PHE A 443 ASP A 444 GLN A 445 VAL A 533 SITE 3 AC3 12 THR A 535 ILE A 537 ASP A 538 SAM B 603 SITE 1 AC4 20 ARG A 58 HEM A 601 PRO B 49 SER B 50 SITE 2 AC4 20 ARG B 51 CYS B 52 THR B 53 TRP B 54 SITE 3 AC4 20 PRO B 59 GLU B 62 SER B 63 PRO B 64 SITE 4 AC4 20 HIS B 65 ARG B 224 ALA B 226 PRO B 229 SITE 5 AC4 20 TYR B 233 GLY B 263 ARG B 266 THR B 313 SITE 1 AC5 13 LYS B 119 ASN B 149 SER B 254 GLY B 256 SITE 2 AC5 13 THR B 257 GLY B 258 THR B 260 GLU B 304 SITE 3 AC5 13 GLY B 305 ILE B 306 SER B 349 PRO B 375 SITE 4 AC5 13 ASP B 376 SITE 1 AC6 12 GLY A 442 ASP A 444 SAM A 603 LEU B 423 SITE 2 AC6 12 GLY B 442 PHE B 443 ASP B 444 GLN B 445 SITE 3 AC6 12 VAL B 533 THR B 535 ILE B 537 ASP B 538 CRYST1 141.354 141.354 108.528 90.00 90.00 120.00 P 31 2 1 12 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 0.007074 0.004084 0.000000 0.00000 SCALE2 0.000000 0.008169 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009214 0.00000