HEADER CYTOSOLIC PROTEIN 18-SEP-25 9SQ0 TITLE STRUCTURE OF TRANS-BASAL CONFORMER OF WILD-TYPE HUMAN CBS ALONE TITLE 2 (INTERNAL ALDEMINE)- BY SINGLE PARTICLE APPROACH 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 BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS TRANSSULFURATION PATHWAY, L-SERINE HYDRO-LYASE, HEME-BINDING PROTEIN, KEYWDS 2 CBS DOMAIN, CYTOSOLIC PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR M.INAYATHULLA,M.TOMAS REVDAT 1 29-JUL-26 9SQ0 0 JRNL AUTH I.MOHAMMED,E.MIJATOVIC,T.M.PHILIPP,L.JANICKOVA,K.ASCENCAO, JRNL AUTH 2 F.J.ASTURIAS,L.A.MARTINEZ-CRUZ,C.SZABO,H.STAHLBERG,T.MAJTAN JRNL TITL STRUCTURAL BASIS FOR A FILAMENTOUS MORPHEEIN MODEL OF HUMAN JRNL TITL 2 CYSTATHIONINE BETA-SYNTHASE JRNL REF NAT COMMUN 2026 JRNL REFN ESSN 2041-1723 JRNL DOI 10.1038/S41467-026-73198-7 REMARK 2 REMARK 2 RESOLUTION. 2.74 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 2.740 REMARK 3 NUMBER OF PARTICLES : 200384 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: D1 SYMMETRY IMPOSED REMARK 4 REMARK 4 9SQ0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-OCT-25. REMARK 100 THE DEPOSITION ID IS D_1292150962. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : HUMAN CBS PROTEIN COMPLEX - REMARK 245 DIMER REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.40 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 7200.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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 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 PRO 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 ASP A 549 REMARK 465 GLN A 550 REMARK 465 LYS A 551 REMARK 465 MET B 1 REMARK 465 PRO 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 ASP B 549 REMARK 465 GLN B 550 REMARK 465 LYS B 551 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 LYS A 271 -61.89 -92.11 REMARK 500 LYS A 384 -151.03 -80.71 REMARK 500 LEU A 386 1.35 -63.03 REMARK 500 SER A 520 41.25 -141.79 REMARK 500 LYS B 271 -61.89 -92.11 REMARK 500 LYS B 384 -151.03 -80.71 REMARK 500 LEU B 386 1.35 -63.03 REMARK 500 SER B 520 41.25 -141.79 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 HEM A 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 65 NE2 REMARK 620 2 HEM A 601 NA 101.5 REMARK 620 3 HEM A 601 NB 97.9 90.3 REMARK 620 4 HEM A 601 NC 86.0 172.5 89.4 REMARK 620 5 HEM A 601 ND 85.6 89.8 176.4 90.0 REMARK 620 N 1 2 3 4 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 HIS B 65 NE2 REMARK 620 2 HEM B 601 NA 101.5 REMARK 620 3 HEM B 601 NB 97.9 90.3 REMARK 620 4 HEM B 601 NC 86.0 172.5 89.4 REMARK 620 5 HEM B 601 ND 85.6 89.8 176.4 90.0 REMARK 620 N 1 2 3 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-55105 RELATED DB: EMDB REMARK 900 STRUCTURE OF TRANS-BASAL CONFORMER OF WILD-TYPE HUMAN CBS ALONE REMARK 900 (INTERNAL ALDEMINE)- BY SINGLE PARTICLE APPROACH DBREF 9SQ0 A 1 551 UNP P35520 CBS_HUMAN 1 551 DBREF 9SQ0 B 1 551 UNP P35520 CBS_HUMAN 1 551 SEQRES 1 A 551 MET PRO SER GLU THR PRO GLN ALA GLU VAL GLY PRO THR SEQRES 2 A 551 GLY CYS PRO HIS ARG SER GLY PRO HIS SER ALA LYS GLY SEQRES 3 A 551 SER LEU GLU LYS GLY SER PRO GLU ASP LYS GLU ALA LYS SEQRES 4 A 551 GLU PRO LEU TRP ILE ARG PRO ASP ALA PRO SER ARG CYS SEQRES 5 A 551 THR TRP GLN LEU GLY ARG PRO ALA SER GLU SER PRO HIS SEQRES 6 A 551 HIS HIS THR ALA PRO ALA LYS SER PRO LYS ILE LEU PRO SEQRES 7 A 551 ASP ILE LEU LYS LYS ILE GLY ASP THR PRO MET VAL ARG SEQRES 8 A 551 ILE ASN LYS ILE GLY LYS LYS PHE GLY LEU LYS CYS GLU SEQRES 9 A 551 LEU LEU ALA LYS CYS GLU PHE PHE ASN ALA GLY GLY SER SEQRES 10 A 551 VAL LLP ASP ARG ILE SER LEU ARG MET ILE GLU ASP ALA SEQRES 11 A 551 GLU ARG ASP GLY THR LEU LYS PRO GLY ASP THR ILE ILE SEQRES 12 A 551 GLU PRO THR SER GLY ASN THR GLY ILE GLY LEU ALA LEU SEQRES 13 A 551 ALA ALA ALA VAL ARG GLY TYR ARG CYS ILE ILE VAL MET SEQRES 14 A 551 PRO GLU LYS MET SER SER GLU LYS VAL ASP VAL LEU ARG SEQRES 15 A 551 ALA LEU GLY ALA GLU ILE VAL ARG THR PRO THR ASN ALA SEQRES 16 A 551 ARG PHE ASP SER PRO GLU SER HIS VAL GLY VAL ALA TRP SEQRES 17 A 551 ARG LEU LYS ASN GLU ILE PRO ASN SER HIS ILE LEU ASP SEQRES 18 A 551 GLN TYR ARG ASN ALA SER ASN PRO LEU ALA HIS TYR ASP SEQRES 19 A 551 THR THR ALA ASP GLU ILE LEU GLN GLN CYS ASP GLY LYS SEQRES 20 A 551 LEU ASP MET LEU VAL ALA SER VAL GLY THR GLY GLY THR SEQRES 21 A 551 ILE THR GLY ILE ALA ARG LYS LEU LYS GLU LYS CYS PRO SEQRES 22 A 551 GLY CYS ARG ILE ILE GLY VAL ASP PRO GLU GLY SER ILE SEQRES 23 A 551 LEU ALA GLU PRO GLU GLU LEU ASN GLN THR GLU GLN THR SEQRES 24 A 551 THR TYR GLU VAL GLU GLY ILE GLY TYR ASP PHE ILE PRO SEQRES 25 A 551 THR VAL LEU ASP ARG THR VAL VAL ASP LYS TRP PHE LYS SEQRES 26 A 551 SER ASN ASP GLU GLU ALA PHE THR PHE ALA ARG MET LEU SEQRES 27 A 551 ILE ALA GLN GLU GLY LEU LEU CYS GLY GLY SER ALA GLY SEQRES 28 A 551 SER THR VAL ALA VAL ALA VAL LYS ALA ALA GLN GLU LEU SEQRES 29 A 551 GLN GLU GLY GLN ARG CYS VAL VAL ILE LEU PRO ASP SER SEQRES 30 A 551 VAL ARG ASN TYR MET THR LYS PHE LEU SER ASP ARG TRP SEQRES 31 A 551 MET LEU GLN LYS GLY PHE LEU LYS GLU GLU ASP LEU THR SEQRES 32 A 551 GLU LYS LYS PRO TRP TRP TRP HIS LEU ARG VAL GLN GLU SEQRES 33 A 551 LEU GLY LEU SER ALA PRO LEU THR VAL LEU PRO THR ILE SEQRES 34 A 551 THR CYS GLY HIS THR ILE GLU ILE LEU ARG GLU LYS GLY SEQRES 35 A 551 PHE ASP GLN ALA PRO VAL VAL ASP GLU ALA GLY VAL ILE SEQRES 36 A 551 LEU GLY MET VAL THR LEU GLY ASN MET LEU SER SER LEU SEQRES 37 A 551 LEU ALA GLY LYS VAL GLN PRO SER ASP GLN VAL GLY LYS SEQRES 38 A 551 VAL ILE TYR LYS GLN PHE LYS GLN ILE ARG LEU THR ASP SEQRES 39 A 551 THR LEU GLY ARG LEU SER HIS ILE LEU GLU MET ASP HIS SEQRES 40 A 551 PHE ALA LEU VAL VAL HIS GLU GLN ILE GLN TYR HIS SER SEQRES 41 A 551 THR GLY LYS SER SER GLN ARG GLN MET VAL PHE GLY VAL SEQRES 42 A 551 VAL THR ALA ILE ASP LEU LEU ASN PHE VAL ALA ALA GLN SEQRES 43 A 551 GLU ARG ASP GLN LYS SEQRES 1 B 551 MET PRO SER GLU THR PRO GLN ALA GLU VAL GLY PRO THR SEQRES 2 B 551 GLY CYS PRO HIS ARG SER GLY PRO HIS SER ALA LYS GLY SEQRES 3 B 551 SER LEU GLU LYS GLY SER PRO GLU ASP LYS GLU ALA LYS SEQRES 4 B 551 GLU PRO LEU TRP ILE ARG PRO ASP ALA PRO SER ARG CYS SEQRES 5 B 551 THR TRP GLN LEU GLY ARG PRO ALA SER GLU SER PRO HIS SEQRES 6 B 551 HIS HIS THR ALA PRO ALA LYS SER PRO LYS ILE LEU PRO SEQRES 7 B 551 ASP ILE LEU LYS LYS ILE GLY ASP THR PRO MET VAL ARG SEQRES 8 B 551 ILE ASN LYS ILE GLY LYS LYS PHE GLY LEU LYS CYS GLU SEQRES 9 B 551 LEU LEU ALA LYS CYS GLU PHE PHE ASN ALA GLY GLY SER SEQRES 10 B 551 VAL LLP ASP ARG ILE SER LEU ARG MET ILE GLU ASP ALA SEQRES 11 B 551 GLU ARG ASP GLY THR LEU LYS PRO GLY ASP THR ILE ILE SEQRES 12 B 551 GLU PRO THR SER GLY ASN THR GLY ILE GLY LEU ALA LEU SEQRES 13 B 551 ALA ALA ALA VAL ARG GLY TYR ARG CYS ILE ILE VAL MET SEQRES 14 B 551 PRO GLU LYS MET SER SER GLU LYS VAL ASP VAL LEU ARG SEQRES 15 B 551 ALA LEU GLY ALA GLU ILE VAL ARG THR PRO THR ASN ALA SEQRES 16 B 551 ARG PHE ASP SER PRO GLU SER HIS VAL GLY VAL ALA TRP SEQRES 17 B 551 ARG LEU LYS ASN GLU ILE PRO ASN SER HIS ILE LEU ASP SEQRES 18 B 551 GLN TYR ARG ASN ALA SER ASN PRO LEU ALA HIS TYR ASP SEQRES 19 B 551 THR THR ALA ASP GLU ILE LEU GLN GLN CYS ASP GLY LYS SEQRES 20 B 551 LEU ASP MET LEU VAL ALA SER VAL GLY THR GLY GLY THR SEQRES 21 B 551 ILE THR GLY ILE ALA ARG LYS LEU LYS GLU LYS CYS PRO SEQRES 22 B 551 GLY CYS ARG ILE ILE GLY VAL ASP PRO GLU GLY SER ILE SEQRES 23 B 551 LEU ALA GLU PRO GLU GLU LEU ASN GLN THR GLU GLN THR SEQRES 24 B 551 THR TYR GLU VAL GLU GLY ILE GLY TYR ASP PHE ILE PRO SEQRES 25 B 551 THR VAL LEU ASP ARG THR VAL VAL ASP LYS TRP PHE LYS SEQRES 26 B 551 SER ASN ASP GLU GLU ALA PHE THR PHE ALA ARG MET LEU SEQRES 27 B 551 ILE ALA GLN GLU GLY LEU LEU CYS GLY GLY SER ALA GLY SEQRES 28 B 551 SER THR VAL ALA VAL ALA VAL LYS ALA ALA GLN GLU LEU SEQRES 29 B 551 GLN GLU GLY GLN ARG CYS VAL VAL ILE LEU PRO ASP SER SEQRES 30 B 551 VAL ARG ASN TYR MET THR LYS PHE LEU SER ASP ARG TRP SEQRES 31 B 551 MET LEU GLN LYS GLY PHE LEU LYS GLU GLU ASP LEU THR SEQRES 32 B 551 GLU LYS LYS PRO TRP TRP TRP HIS LEU ARG VAL GLN GLU SEQRES 33 B 551 LEU GLY LEU SER ALA PRO LEU THR VAL LEU PRO THR ILE SEQRES 34 B 551 THR CYS GLY HIS THR ILE GLU ILE LEU ARG GLU LYS GLY SEQRES 35 B 551 PHE ASP GLN ALA PRO VAL VAL ASP GLU ALA GLY VAL ILE SEQRES 36 B 551 LEU GLY MET VAL THR LEU GLY ASN MET LEU SER SER LEU SEQRES 37 B 551 LEU ALA GLY LYS VAL GLN PRO SER ASP GLN VAL GLY LYS SEQRES 38 B 551 VAL ILE TYR LYS GLN PHE LYS GLN ILE ARG LEU THR ASP SEQRES 39 B 551 THR LEU GLY ARG LEU SER HIS ILE LEU GLU MET ASP HIS SEQRES 40 B 551 PHE ALA LEU VAL VAL HIS GLU GLN ILE GLN TYR HIS SER SEQRES 41 B 551 THR GLY LYS SER SER GLN ARG GLN MET VAL PHE GLY VAL SEQRES 42 B 551 VAL THR ALA ILE ASP LEU LEU ASN PHE VAL ALA ALA GLN SEQRES 43 B 551 GLU ARG ASP GLN LYS MODRES 9SQ0 LLP A 119 LYS MODIFIED RESIDUE MODRES 9SQ0 LLP B 119 LYS MODIFIED RESIDUE HET LLP A 119 42 HET LLP B 119 42 HET HEM A 601 73 HET HEM B 601 73 HETNAM LLP (2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5- HETNAM 2 LLP (PHOSPHONOOXYMETHYL)PYRIDIN-4- HETNAM 3 LLP YL]METHYLIDENEAMINO]HEXANOIC ACID HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN LLP N'-PYRIDOXYL-LYSINE-5'-MONOPHOSPHATE HETSYN HEM HEME FORMUL 1 LLP 2(C14 H22 N3 O7 P) FORMUL 3 HEM 2(C34 H32 FE N4 O4) HELIX 1 AA1 PRO A 59 SER A 63 5 5 HELIX 2 AA2 ASP A 79 LYS A 83 5 5 HELIX 3 AA3 LYS A 94 PHE A 99 1 6 HELIX 4 AA4 VAL A 118 GLY A 134 1 17 HELIX 5 AA5 GLY A 148 GLY A 162 1 15 HELIX 6 AA6 SER A 174 GLY A 185 1 12 HELIX 7 AA7 SER A 202 ILE A 214 1 13 HELIX 8 AA8 ALA A 226 THR A 235 1 10 HELIX 9 AA9 THR A 235 CYS A 244 1 10 HELIX 10 AB1 GLY A 258 CYS A 272 1 15 HELIX 11 AB2 PRO A 290 GLN A 295 5 6 HELIX 12 AB3 ASN A 327 GLY A 343 1 17 HELIX 13 AB4 GLY A 347 ALA A 361 1 15 HELIX 14 AB5 GLN A 362 LEU A 364 5 3 HELIX 15 AB6 SER A 377 MET A 382 5 6 HELIX 16 AB7 SER A 387 GLY A 395 1 9 HELIX 17 AB8 LYS A 398 LYS A 405 1 8 HELIX 18 AB9 PRO A 407 LEU A 412 5 6 HELIX 19 AC1 ARG A 413 LEU A 417 5 5 HELIX 20 AC2 THR A 430 GLU A 440 1 11 HELIX 21 AC3 LEU A 461 GLY A 471 1 11 HELIX 22 AC4 GLN A 478 VAL A 482 5 5 HELIX 23 AC5 THR A 495 GLU A 504 1 10 HELIX 24 AC6 THR A 535 ARG A 548 1 14 HELIX 25 AC7 PRO B 59 SER B 63 5 5 HELIX 26 AC8 ASP B 79 LYS B 83 5 5 HELIX 27 AC9 LYS B 94 PHE B 99 1 6 HELIX 28 AD1 VAL B 118 GLY B 134 1 17 HELIX 29 AD2 GLY B 148 GLY B 162 1 15 HELIX 30 AD3 SER B 174 GLY B 185 1 12 HELIX 31 AD4 SER B 202 ILE B 214 1 13 HELIX 32 AD5 ALA B 226 THR B 235 1 10 HELIX 33 AD6 THR B 235 CYS B 244 1 10 HELIX 34 AD7 GLY B 258 CYS B 272 1 15 HELIX 35 AD8 PRO B 290 GLN B 295 5 6 HELIX 36 AD9 ASN B 327 GLY B 343 1 17 HELIX 37 AE1 GLY B 347 ALA B 361 1 15 HELIX 38 AE2 GLN B 362 LEU B 364 5 3 HELIX 39 AE3 SER B 377 MET B 382 5 6 HELIX 40 AE4 SER B 387 GLY B 395 1 9 HELIX 41 AE5 LYS B 398 LYS B 405 1 8 HELIX 42 AE6 PRO B 407 LEU B 412 5 6 HELIX 43 AE7 ARG B 413 LEU B 417 5 5 HELIX 44 AE8 THR B 430 GLU B 440 1 11 HELIX 45 AE9 LEU B 461 GLY B 471 1 11 HELIX 46 AF1 GLN B 478 VAL B 482 5 5 HELIX 47 AF2 THR B 495 GLU B 504 1 10 HELIX 48 AF3 THR B 535 ARG B 548 1 14 SHEET 1 AA1 6 MET A 89 ILE A 92 0 SHEET 2 AA1 6 GLU A 104 CYS A 109 -1 O ALA A 107 N VAL A 90 SHEET 3 AA1 6 ARG A 369 LEU A 374 1 O CYS A 370 N GLU A 104 SHEET 4 AA1 6 MET A 250 SER A 254 1 N VAL A 252 O VAL A 371 SHEET 5 AA1 6 ARG A 276 PRO A 282 1 O ILE A 278 N LEU A 251 SHEET 6 AA1 6 LYS A 322 SER A 326 1 O PHE A 324 N ASP A 281 SHEET 1 AA2 4 GLU A 187 THR A 191 0 SHEET 2 AA2 4 ARG A 164 PRO A 170 1 N ILE A 167 O GLU A 187 SHEET 3 AA2 4 THR A 141 PRO A 145 1 N ILE A 142 O ILE A 166 SHEET 4 AA2 4 SER A 217 HIS A 218 1 O HIS A 218 N ILE A 143 SHEET 1 AA3 2 GLN A 445 VAL A 449 0 SHEET 2 AA3 2 ILE A 455 THR A 460 -1 O LEU A 456 N VAL A 448 SHEET 1 AA4 3 LYS A 488 ILE A 490 0 SHEET 2 AA4 3 ALA A 509 TYR A 518 1 O VAL A 512 N ILE A 490 SHEET 3 AA4 3 SER A 524 VAL A 534 -1 O VAL A 534 N ALA A 509 SHEET 1 AA5 6 MET B 89 ILE B 92 0 SHEET 2 AA5 6 GLU B 104 CYS B 109 -1 O ALA B 107 N VAL B 90 SHEET 3 AA5 6 ARG B 369 LEU B 374 1 O CYS B 370 N GLU B 104 SHEET 4 AA5 6 MET B 250 SER B 254 1 N VAL B 252 O VAL B 371 SHEET 5 AA5 6 ARG B 276 PRO B 282 1 O ILE B 278 N LEU B 251 SHEET 6 AA5 6 LYS B 322 SER B 326 1 O PHE B 324 N ASP B 281 SHEET 1 AA6 4 GLU B 187 THR B 191 0 SHEET 2 AA6 4 ARG B 164 PRO B 170 1 N ILE B 167 O GLU B 187 SHEET 3 AA6 4 THR B 141 PRO B 145 1 N ILE B 142 O ILE B 166 SHEET 4 AA6 4 SER B 217 HIS B 218 1 O HIS B 218 N ILE B 143 SHEET 1 AA7 2 GLN B 445 VAL B 449 0 SHEET 2 AA7 2 ILE B 455 THR B 460 -1 O LEU B 456 N VAL B 448 SHEET 1 AA8 3 LYS B 488 ILE B 490 0 SHEET 2 AA8 3 ALA B 509 TYR B 518 1 O VAL B 512 N ILE B 490 SHEET 3 AA8 3 SER B 524 VAL B 534 -1 O VAL B 534 N ALA B 509 LINK C VAL A 118 N LLP A 119 1555 1555 1.33 LINK C LLP A 119 N ASP A 120 1555 1555 1.33 LINK C VAL B 118 N LLP B 119 1555 1555 1.33 LINK C LLP B 119 N ASP B 120 1555 1555 1.33 LINK NE2 HIS A 65 FE HEM A 601 1555 1555 2.22 LINK NE2 HIS B 65 FE HEM B 601 1555 1555 2.22 CISPEP 1 GLU A 289 PRO A 290 0 1.69 CISPEP 2 GLU B 289 PRO B 290 0 1.69 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MTRIX1 1 -1.000000 -0.000090 -0.000021 368.63980 1 MTRIX2 1 -0.000090 1.000000 -0.000149 0.04791 1 MTRIX3 1 0.000021 -0.000149 -1.000000 368.65273 1 CONECT 37215919 CONECT 1206 1235 CONECT 1220 1221 1228 CONECT 1221 1220 1222 1223 CONECT 1222 1221 1244 1245 1246 CONECT 1223 1221 1224 1225 CONECT 1224 1223 1247 CONECT 1225 1223 1226 1227 CONECT 1226 1225 1241 1248 CONECT 1227 1225 1228 1229 CONECT 1228 1220 1227 1249 CONECT 1229 1227 1230 1250 1251 CONECT 1230 1229 1231 CONECT 1231 1230 1232 1233 1234 CONECT 1232 1231 CONECT 1233 1231 CONECT 1234 1231 CONECT 1235 1206 1236 1252 CONECT 1236 1235 1237 1242 1253 CONECT 1237 1236 1238 1254 1255 CONECT 1238 1237 1239 1256 1257 CONECT 1239 1238 1240 1258 1259 CONECT 1240 1239 1241 1260 1261 CONECT 1241 1226 1240 CONECT 1242 1236 1243 1262 CONECT 1243 1242 CONECT 1244 1222 CONECT 1245 1222 CONECT 1246 1222 CONECT 1247 1224 CONECT 1248 1226 CONECT 1249 1228 CONECT 1250 1229 CONECT 1251 1229 CONECT 1252 1235 CONECT 1253 1236 CONECT 1254 1237 CONECT 1255 1237 CONECT 1256 1238 CONECT 1257 1238 CONECT 1258 1239 CONECT 1259 1239 CONECT 1260 1240 CONECT 1261 1240 CONECT 1262 1242 CONECT 831015992 CONECT 9144 9173 CONECT 9158 9159 9166 CONECT 9159 9158 9160 9161 CONECT 9160 9159 9182 9183 9184 CONECT 9161 9159 9162 9163 CONECT 9162 9161 9185 CONECT 9163 9161 9164 9165 CONECT 9164 9163 9179 9186 CONECT 9165 9163 9166 9167 CONECT 9166 9158 9165 9187 CONECT 9167 9165 9168 9188 9189 CONECT 9168 9167 9169 CONECT 9169 9168 9170 9171 9172 CONECT 9170 9169 CONECT 9171 9169 CONECT 9172 9169 CONECT 9173 9144 9174 9190 CONECT 9174 9173 9175 9180 9191 CONECT 9175 9174 9176 9192 9193 CONECT 9176 9175 9177 9194 9195 CONECT 9177 9176 9178 9196 9197 CONECT 9178 9177 9179 9198 9199 CONECT 9179 9164 9178 CONECT 9180 9174 9181 9200 CONECT 9181 9180 CONECT 9182 9160 CONECT 9183 9160 CONECT 9184 9160 CONECT 9185 9162 CONECT 9186 9164 CONECT 9187 9166 CONECT 9188 9167 CONECT 9189 9167 CONECT 9190 9173 CONECT 9191 9174 CONECT 9192 9175 CONECT 9193 9175 CONECT 9194 9176 CONECT 9195 9176 CONECT 9196 9177 CONECT 9197 9177 CONECT 9198 9178 CONECT 9199 9178 CONECT 9200 9180 CONECT15877158811590815949 CONECT15878158841589115920 CONECT15879158941589815921 CONECT15880159011590515922 CONECT15881158771588215915 CONECT15882158811588315886 CONECT15883158821588415885 CONECT15884158781588315915 CONECT1588515883159231592415925 CONECT1588615882158871592615927 CONECT1588715886158881592815929 CONECT15888158871588915890 CONECT1588915888 CONECT1589015888 CONECT15891158781589215916 CONECT15892158911589315895 CONECT15893158921589415896 CONECT15894158791589315916 CONECT1589515892159301593115932 CONECT15896158931589715933 CONECT15897158961593415935 CONECT15898158791589915917 CONECT15899158981590015902 CONECT15900158991590115903 CONECT15901158801590015917 CONECT1590215899159361593715938 CONECT15903159001590415939 CONECT15904159031594015941 CONECT15905158801590615918 CONECT15906159051590715909 CONECT15907159061590815910 CONECT15908158771590715918 CONECT1590915906159421594315944 CONECT1591015907159111594515946 CONECT1591115910159121594715948 CONECT15912159111591315914 CONECT1591315912 CONECT1591415912 CONECT15915158811588415919 CONECT15916158911589415919 CONECT15917158981590115919 CONECT15918159051590815919 CONECT15919 372159151591615917 CONECT1591915918 CONECT1592015878 CONECT1592115879 CONECT1592215880 CONECT1592315885 CONECT1592415885 CONECT1592515885 CONECT1592615886 CONECT1592715886 CONECT1592815887 CONECT1592915887 CONECT1593015895 CONECT1593115895 CONECT1593215895 CONECT1593315896 CONECT1593415897 CONECT1593515897 CONECT1593615902 CONECT1593715902 CONECT1593815902 CONECT1593915903 CONECT1594015904 CONECT1594115904 CONECT1594215909 CONECT1594315909 CONECT1594415909 CONECT1594515910 CONECT1594615910 CONECT1594715911 CONECT1594815911 CONECT1594915877 CONECT15950159541598116022 CONECT15951159571596415993 CONECT15952159671597115994 CONECT15953159741597815995 CONECT15954159501595515988 CONECT15955159541595615959 CONECT15956159551595715958 CONECT15957159511595615988 CONECT1595815956159961599715998 CONECT1595915955159601599916000 CONECT1596015959159611600116002 CONECT15961159601596215963 CONECT1596215961 CONECT1596315961 CONECT15964159511596515989 CONECT15965159641596615968 CONECT15966159651596715969 CONECT15967159521596615989 CONECT1596815965160031600416005 CONECT15969159661597016006 CONECT15970159691600716008 CONECT15971159521597215990 CONECT15972159711597315975 CONECT15973159721597415976 CONECT15974159531597315990 CONECT1597515972160091601016011 CONECT15976159731597716012 CONECT15977159761601316014 CONECT15978159531597915991 CONECT15979159781598015982 CONECT15980159791598115983 CONECT15981159501598015991 CONECT1598215979160151601616017 CONECT1598315980159841601816019 CONECT1598415983159851602016021 CONECT15985159841598615987 CONECT1598615985 CONECT1598715985 CONECT15988159541595715992 CONECT15989159641596715992 CONECT15990159711597415992 CONECT15991159781598115992 CONECT15992 8310159881598915990 CONECT1599215991 CONECT1599315951 CONECT1599415952 CONECT1599515953 CONECT1599615958 CONECT1599715958 CONECT1599815958 CONECT1599915959 CONECT1600015959 CONECT1600115960 CONECT1600215960 CONECT1600315968 CONECT1600415968 CONECT1600515968 CONECT1600615969 CONECT1600715970 CONECT1600815970 CONECT1600915975 CONECT1601015975 CONECT1601115975 CONECT1601215976 CONECT1601315977 CONECT1601415977 CONECT1601515982 CONECT1601615982 CONECT1601715982 CONECT1601815983 CONECT1601915983 CONECT1602015984 CONECT1602115984 CONECT1602215950 MASTER 245 0 4 48 30 0 0 9 7976 2 238 86 END