HEADER MEMBRANE PROTEIN 19-MAY-26 35VI TITLE CAMP-BOUND STHK MONOMER FROM SYMMETRY EXPANDED PARTICLES - POPA CLASS TITLE 2 6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE TRANSCRIPTIONAL REGULATOR, CRP/FNR FAMILY; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: FUSION OF STHK WITH AN N-TERMINAL EXPRESSION-ENHANCING COMPND 6 PEPTIDE AND A C-TERMINAL TETRA-HIS TAG SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: WINMISPIRA THERMOPHILA DSM 6578; SOURCE 3 ORGANISM_TAXID: 869211; SOURCE 4 GENE: SPITH_0644; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS ION CHANNEL, LIPID MODULATION, PHOSPHATIDIC ACID, ALLOSTERY, LIGAND KEYWDS 2 BINDING, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR A.N.NEWTON,A.E.KUFORIJI,P.A.SCHMIDPETER REVDAT 1 14-OCT-26 35VI 0 JRNL AUTH A.J.NEWTON,A.E.KUFORIJI,P.A.SCHMIDPETER JRNL TITL CONCENTRATION-DEPENDENT SWITCHING BETWEEN LIGAND-LIKE AND JRNL TITL 2 SOLVENT-LIKE LIPID REGULATION IN A MODEL ION CHANNEL JRNL REF NAT COMMUN 2026 JRNL REFN ESSN 2041-1723 REMARK 2 REMARK 2 RESOLUTION. 3.72 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOLO, LEGINON, CTFFIND, UCSF REMARK 3 CHIMERAX, PHENIX, COOT, RELION, RELION, REMARK 3 RELION REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 6CJQ REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : RIGID BODY 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) : 3.720 REMARK 3 NUMBER OF PARTICLES : 99958 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: NULL REMARK 4 REMARK 4 35VI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAY-26. REMARK 100 THE DEPOSITION ID IS D_1000308118. 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 : TETRAMERIC STHK PROTEIN REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 8.00 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 : TETRAMERIC STHK PROTEIN IN THE REMARK 245 PRESENCE OF 3 MM CAMP RECONSTITUTED INTO 4:1 DOPC:POPA NANODISCS REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 12856 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2700.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4711.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 -18 REMARK 465 ALA A -17 REMARK 465 LYS A -16 REMARK 465 ASP A -15 REMARK 465 ILE A -14 REMARK 465 GLY A -13 REMARK 465 ILE A -12 REMARK 465 ASN A -11 REMARK 465 SER A -10 REMARK 465 ASP A -9 REMARK 465 PRO A -8 REMARK 465 ASN A -7 REMARK 465 SER A -6 REMARK 465 SER A -5 REMARK 465 SER A -4 REMARK 465 VAL A -3 REMARK 465 ASP A -2 REMARK 465 LYS A -1 REMARK 465 LEU A 0 REMARK 465 MET A 1 REMARK 465 LYS A 2 REMARK 465 SER A 3 REMARK 465 SER A 4 REMARK 465 GLY A 5 REMARK 465 VAL A 6 REMARK 465 SER A 7 REMARK 465 ASN A 8 REMARK 465 PRO A 9 REMARK 465 ALA A 63 REMARK 465 PHE A 64 REMARK 465 GLU A 65 REMARK 465 SER A 66 REMARK 465 ARG A 67 REMARK 465 ARG A 68 REMARK 465 THR A 69 REMARK 465 SER A 70 REMARK 465 GLY A 71 REMARK 465 ARG A 72 REMARK 465 LYS A 73 REMARK 465 PRO A 74 REMARK 465 THR A 75 REMARK 465 LEU A 76 REMARK 465 LEU A 77 REMARK 465 ALA A 78 REMARK 465 PRO A 79 REMARK 465 GLU A 413 REMARK 465 LEU A 414 REMARK 465 ALA A 415 REMARK 465 VAL A 416 REMARK 465 ARG A 417 REMARK 465 ARG A 418 REMARK 465 LYS A 419 REMARK 465 GLU A 420 REMARK 465 LEU A 421 REMARK 465 GLU A 422 REMARK 465 SER A 423 REMARK 465 SER A 424 REMARK 465 GLY A 425 REMARK 465 LEU A 426 REMARK 465 VAL A 427 REMARK 465 PRO A 428 REMARK 465 ARG A 429 REMARK 465 GLY A 430 REMARK 465 SER A 431 REMARK 465 VAL A 432 REMARK 465 LYS A 433 REMARK 465 HIS A 434 REMARK 465 HIS A 435 REMARK 465 HIS A 436 REMARK 465 HIS A 437 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 39 -169.01 -79.51 REMARK 500 PHE A 40 9.59 55.35 REMARK 500 LEU A 93 -10.96 72.14 REMARK 500 ILE A 184 -61.35 -98.97 REMARK 500 ARG A 267 23.43 -141.70 REMARK 500 HIS A 292 48.47 -96.29 REMARK 500 PRO A 300 43.04 -83.65 REMARK 500 SER A 361 -169.82 -126.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-77224 RELATED DB: EMDB REMARK 900 CAMP-BOUND STHK MONOMER FROM SYMMETRY EXPANDED PARTICLES - POPA REMARK 900 CLASS 6 DBREF 35VI A 1 420 UNP G0GA88 G0GA88_SPITZ 1 420 SEQADV 35VI MET A -18 UNP G0GA88 INITIATING METHIONINE SEQADV 35VI ALA A -17 UNP G0GA88 EXPRESSION TAG SEQADV 35VI LYS A -16 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ASP A -15 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ILE A -14 UNP G0GA88 EXPRESSION TAG SEQADV 35VI GLY A -13 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ILE A -12 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ASN A -11 UNP G0GA88 EXPRESSION TAG SEQADV 35VI SER A -10 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ASP A -9 UNP G0GA88 EXPRESSION TAG SEQADV 35VI PRO A -8 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ASN A -7 UNP G0GA88 EXPRESSION TAG SEQADV 35VI SER A -6 UNP G0GA88 EXPRESSION TAG SEQADV 35VI SER A -5 UNP G0GA88 EXPRESSION TAG SEQADV 35VI SER A -4 UNP G0GA88 EXPRESSION TAG SEQADV 35VI VAL A -3 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ASP A -2 UNP G0GA88 EXPRESSION TAG SEQADV 35VI LYS A -1 UNP G0GA88 EXPRESSION TAG SEQADV 35VI LEU A 0 UNP G0GA88 EXPRESSION TAG SEQADV 35VI LEU A 421 UNP G0GA88 EXPRESSION TAG SEQADV 35VI GLU A 422 UNP G0GA88 EXPRESSION TAG SEQADV 35VI SER A 423 UNP G0GA88 EXPRESSION TAG SEQADV 35VI SER A 424 UNP G0GA88 EXPRESSION TAG SEQADV 35VI GLY A 425 UNP G0GA88 EXPRESSION TAG SEQADV 35VI LEU A 426 UNP G0GA88 EXPRESSION TAG SEQADV 35VI VAL A 427 UNP G0GA88 EXPRESSION TAG SEQADV 35VI PRO A 428 UNP G0GA88 EXPRESSION TAG SEQADV 35VI ARG A 429 UNP G0GA88 EXPRESSION TAG SEQADV 35VI GLY A 430 UNP G0GA88 EXPRESSION TAG SEQADV 35VI SER A 431 UNP G0GA88 EXPRESSION TAG SEQADV 35VI VAL A 432 UNP G0GA88 EXPRESSION TAG SEQADV 35VI LYS A 433 UNP G0GA88 EXPRESSION TAG SEQADV 35VI HIS A 434 UNP G0GA88 EXPRESSION TAG SEQADV 35VI HIS A 435 UNP G0GA88 EXPRESSION TAG SEQADV 35VI HIS A 436 UNP G0GA88 EXPRESSION TAG SEQADV 35VI HIS A 437 UNP G0GA88 EXPRESSION TAG SEQRES 1 A 456 MET ALA LYS ASP ILE GLY ILE ASN SER ASP PRO ASN SER SEQRES 2 A 456 SER SER VAL ASP LYS LEU MET LYS SER SER GLY VAL SER SEQRES 3 A 456 ASN PRO THR TYR THR LEU VAL TRP LYS VAL TRP ILE LEU SEQRES 4 A 456 ALA VAL THR LEU TYR TYR ALA ILE ARG ILE PRO LEU THR SEQRES 5 A 456 LEU VAL PHE PRO SER LEU PHE SER PRO LEU LEU PRO LEU SEQRES 6 A 456 ASP ILE LEU ALA SER LEU ALA LEU ILE ALA ASP ILE PRO SEQRES 7 A 456 LEU ASP LEU ALA PHE GLU SER ARG ARG THR SER GLY ARG SEQRES 8 A 456 LYS PRO THR LEU LEU ALA PRO SER ARG LEU PRO ASP LEU SEQRES 9 A 456 LEU ALA ALA LEU PRO LEU ASP LEU LEU VAL PHE ALA LEU SEQRES 10 A 456 HIS LEU PRO SER PRO LEU SER LEU LEU SER LEU VAL ARG SEQRES 11 A 456 LEU LEU LYS LEU ILE SER VAL GLN ARG SER ALA THR ARG SEQRES 12 A 456 ILE LEU SER TYR ARG ILE ASN PRO ALA LEU LEU ARG LEU SEQRES 13 A 456 LEU SER LEU VAL GLY PHE ILE LEU LEU ALA ALA HIS GLY SEQRES 14 A 456 ILE ALA CYS GLY TRP MET SER LEU GLN PRO PRO SER GLU SEQRES 15 A 456 ASN PRO ALA GLY THR ARG TYR LEU SER ALA PHE TYR TRP SEQRES 16 A 456 THR ILE THR THR LEU THR THR ILE GLY TYR GLY ASP ILE SEQRES 17 A 456 THR PRO SER THR PRO THR GLN THR VAL TYR THR ILE VAL SEQRES 18 A 456 ILE GLU LEU LEU GLY ALA ALA MET TYR GLY LEU VAL ILE SEQRES 19 A 456 GLY ASN ILE ALA SER LEU VAL SER LYS LEU ASP ALA ALA SEQRES 20 A 456 LYS LEU LEU HIS ARG GLU ARG VAL GLU ARG VAL THR ALA SEQRES 21 A 456 PHE LEU SER TYR LYS ARG ILE SER PRO GLU LEU GLN ARG SEQRES 22 A 456 ARG ILE ILE GLU TYR PHE ASP TYR LEU TRP GLU THR ARG SEQRES 23 A 456 ARG GLY TYR GLU GLU ARG GLU VAL LEU LYS GLU LEU PRO SEQRES 24 A 456 HIS PRO LEU ARG LEU ALA VAL ALA MET GLU ILE HIS GLY SEQRES 25 A 456 ASP VAL ILE GLU LYS VAL PRO LEU PHE LYS GLY ALA GLY SEQRES 26 A 456 GLU GLU PHE ILE ARG ASP ILE ILE LEU HIS LEU GLU PRO SEQRES 27 A 456 VAL ILE TYR GLY PRO GLY GLU TYR ILE ILE ARG ALA GLY SEQRES 28 A 456 GLU MET GLY SER ASP VAL TYR PHE ILE ASN ARG GLY SER SEQRES 29 A 456 VAL GLU VAL LEU SER ALA ASP GLU LYS THR ARG TYR ALA SEQRES 30 A 456 ILE LEU SER GLU GLY GLN PHE PHE GLY GLU MET ALA LEU SEQRES 31 A 456 ILE LEU ARG ALA PRO ARG THR ALA THR VAL ARG ALA ARG SEQRES 32 A 456 ALA PHE CYS ASP LEU TYR ARG LEU ASP LYS GLU THR PHE SEQRES 33 A 456 ASP ARG ILE LEU SER ARG TYR PRO GLU ILE ALA ALA GLN SEQRES 34 A 456 ILE GLN GLU LEU ALA VAL ARG ARG LYS GLU LEU GLU SER SEQRES 35 A 456 SER GLY LEU VAL PRO ARG GLY SER VAL LYS HIS HIS HIS SEQRES 36 A 456 HIS HET CMP A 601 22 HETNAM CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE HETSYN CMP CYCLIC AMP; CAMP FORMUL 2 CMP C10 H12 N5 O6 P HELIX 1 AA1 TYR A 11 PHE A 36 1 26 HELIX 2 AA2 LEU A 43 LEU A 62 1 20 HELIX 3 AA3 ARG A 81 LEU A 89 1 9 HELIX 4 AA4 LEU A 93 LEU A 98 1 6 HELIX 5 AA5 LEU A 104 LEU A 112 5 9 HELIX 6 AA6 LEU A 113 LEU A 126 1 14 HELIX 7 AA7 ASN A 131 LEU A 158 1 28 HELIX 8 AA8 PRO A 165 THR A 182 1 18 HELIX 9 AA9 THR A 193 LYS A 224 1 32 HELIX 10 AB1 ALA A 227 ARG A 247 1 21 HELIX 11 AB2 SER A 249 ARG A 268 1 20 HELIX 12 AB3 GLU A 271 LEU A 276 1 6 HELIX 13 AB4 PRO A 280 HIS A 292 1 13 HELIX 14 AB5 HIS A 292 GLU A 297 1 6 HELIX 15 AB6 GLU A 307 ILE A 314 1 8 HELIX 16 AB7 GLY A 367 LEU A 371 5 5 HELIX 17 AB8 LYS A 394 SER A 402 1 9 HELIX 18 AB9 TYR A 404 ILE A 411 1 8 SHEET 1 AA1 4 GLU A 318 VAL A 320 0 SHEET 2 AA1 4 LEU A 389 ASP A 393 -1 O ARG A 391 N GLU A 318 SHEET 3 AA1 4 ASP A 337 PHE A 340 -1 N PHE A 340 O TYR A 390 SHEET 4 AA1 4 PHE A 365 PHE A 366 -1 O PHE A 366 N TYR A 339 SHEET 1 AA2 4 TYR A 327 ILE A 329 0 SHEET 2 AA2 4 THR A 380 ALA A 383 -1 O VAL A 381 N ILE A 328 SHEET 3 AA2 4 VAL A 346 LEU A 349 -1 N GLU A 347 O ARG A 382 SHEET 4 AA2 4 ARG A 356 LEU A 360 -1 O TYR A 357 N VAL A 348 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 CONECT 3076 3077 3078 3079 3084 CONECT 3077 3076 CONECT 3078 3076 CONECT 3079 3076 3080 CONECT 3080 3079 3081 CONECT 3081 3080 3082 3083 CONECT 3082 3081 3087 CONECT 3083 3081 3084 3085 CONECT 3084 3076 3083 CONECT 3085 3083 3086 3087 CONECT 3086 3085 CONECT 3087 3082 3085 3088 CONECT 3088 3087 3089 3097 CONECT 3089 3088 3090 CONECT 3090 3089 3091 CONECT 3091 3090 3092 3097 CONECT 3092 3091 3093 3094 CONECT 3093 3092 CONECT 3094 3092 3095 CONECT 3095 3094 3096 CONECT 3096 3095 3097 CONECT 3097 3088 3091 3096 MASTER 206 0 1 18 8 0 0 6 3096 1 22 36 END