HEADER STRUCTURAL PROTEIN 27-MAY-26 31DM TITLE HOLO FORM OF CALMODULIN-LIKE DOMAIN OF HUMAN ALPHA-ACTININ-4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-ACTININ-4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NON-MUSCLE ALPHA-ACTININ 4; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: N-TERMINAL TEV CLEAVAGE SITE SCAR (GSS) SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ACTN4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-22B KEYWDS CALCIUM-BINDING PROTEIN, STRUCTURAL PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR J.HOCEVAR,M.KOVACIC,J.PLAVEC,K.DJINOVIC-CARUGO,M.PAVSIC REVDAT 2 04-NOV-26 31DM 1 JRNL REVDAT 1 21-OCT-26 31DM 0 JRNL AUTH J.HOCEVAR,M.KOVACIC,J.PLAVEC,K.DJINOVIC-CARUGO,M.PAVSIC JRNL TITL DISTINCT CA 2+ -BINDING THERMODYNAMICS REVEAL A JRNL TITL 2 PARALOGUE-SPECIFIC STRUCTURAL RESPONSE IN THE JRNL TITL 3 CALMODULIN-LIKE DOMAIN OF ALPHA-ACTININ-4. JRNL REF INT.J.BIOL.MACROMOL. V. 384 54866 2026 JRNL REFN ISSN 0141-8130 JRNL PMID 42874945 JRNL DOI 10.1016/J.IJBIOMAC.2026.154866 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : YASARA 14.7.17 REMARK 3 AUTHORS : YASARA BIOSCIENCES GMBH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 31DM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-MAY-26. REMARK 100 THE DEPOSITION ID IS D_1292157568. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 7.4 REMARK 210 IONIC STRENGTH : 150 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 0.75 MM [U-100% 13C; U-100% 15N] REMARK 210 CALMODULIN-LIKE DOMAIN OF HUMAN REMARK 210 A-ACTININ-4, 20 MM HEPES, 150 MM REMARK 210 NACL, 2 MM TCEP, 18.75 MM REMARK 210 CALCIUM CHLORIDE, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 1D 1H; 2D 1H-15N HSQC; 3D REMARK 210 HNCACB; 3D HN(COCA)CB; 3D HNCO; REMARK 210 3D HNCACO; 3D HBHA(CO)NH; 3D 1H- REMARK 210 15N NOESY; 2D 1H-13C HSQC; 3D REMARK 210 CCH-TOCSY; 3D HCCH-TOCSY; 3D 1H- REMARK 210 13C NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE NEO REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRFAM-SPARKY 1.2, ARTINA, REMARK 210 TOPSPIN 4.3, YASARA 14.7.17, REMARK 210 CARA 1.9.1.7 REMARK 210 METHOD USED : SIMULATED ANNEALING, TORSION REMARK 210 ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 20 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : ALL CALCULATED STRUCTURES REMARK 210 SUBMITTED REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 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 8 ASP A 778 CB ASP A 778 CG -0.139 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 1 ARG A 837 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 1 ARG A 869 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 2 ASP A 778 CB - CG - OD1 ANGL. DEV. = -8.0 DEGREES REMARK 500 2 ASP A 778 CB - CG - OD2 ANGL. DEV. = 7.0 DEGREES REMARK 500 3 ARG A 837 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 5 ARG A 813 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 5 ARG A 882 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 8 ARG A 869 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 9 ASP A 780 CB - CG - OD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 9 ARG A 837 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 12 ASP A 780 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 15 ARG A 869 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 17 ARG A 869 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 19 ASP A 780 CB - CG - OD2 ANGL. DEV. = 7.4 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 1 HIS A 781 -27.53 -148.72 REMARK 500 1 VAL A 801 -44.78 -141.65 REMARK 500 1 ASN A 803 -169.80 -161.31 REMARK 500 1 ASP A 804 -171.34 -69.45 REMARK 500 1 GLU A 838 -34.97 66.74 REMARK 500 1 ALA A 891 10.82 -66.43 REMARK 500 2 HIS A 781 -30.56 -145.11 REMARK 500 2 ASP A 804 -78.04 -58.88 REMARK 500 2 ALA A 891 10.95 -66.13 REMARK 500 3 HIS A 781 -18.43 -147.36 REMARK 500 3 VAL A 801 -47.58 -142.67 REMARK 500 3 ASN A 803 -156.50 -169.66 REMARK 500 3 ASP A 804 -151.92 -74.53 REMARK 500 3 ASP A 841 -63.36 -93.53 REMARK 500 3 ALA A 891 10.84 -66.41 REMARK 500 3 TYR A 906 -78.77 66.17 REMARK 500 4 HIS A 781 -31.31 -146.57 REMARK 500 4 VAL A 801 -40.11 -141.81 REMARK 500 4 ASP A 804 -97.15 -59.32 REMARK 500 4 GLU A 838 -41.69 51.23 REMARK 500 4 ALA A 891 18.90 -66.33 REMARK 500 4 TYR A 906 -26.50 74.98 REMARK 500 4 GLU A 908 -44.42 -132.31 REMARK 500 5 HIS A 781 -30.72 -153.48 REMARK 500 5 VAL A 801 -47.50 -146.26 REMARK 500 5 ASP A 804 -99.35 -73.84 REMARK 500 5 GLU A 838 -24.93 57.65 REMARK 500 5 THR A 844 0.23 -62.49 REMARK 500 5 ALA A 891 11.67 -65.90 REMARK 500 6 HIS A 781 -16.96 -142.67 REMARK 500 6 ASN A 803 -162.01 -164.49 REMARK 500 6 ASP A 804 -156.18 -75.53 REMARK 500 6 ASP A 841 -173.25 -66.03 REMARK 500 6 THR A 842 25.18 -74.40 REMARK 500 6 ASP A 843 -54.48 25.88 REMARK 500 6 ALA A 891 10.62 -66.31 REMARK 500 7 HIS A 781 -23.46 -151.24 REMARK 500 7 VAL A 801 -43.84 -135.24 REMARK 500 7 ASN A 803 -161.68 -168.28 REMARK 500 7 ASP A 804 -138.72 -78.79 REMARK 500 7 THR A 839 46.25 39.58 REMARK 500 7 ALA A 881 0.45 -67.77 REMARK 500 7 ALA A 891 15.85 -66.08 REMARK 500 7 LEU A 905 -146.79 -119.87 REMARK 500 8 VAL A 801 -42.72 -147.35 REMARK 500 8 GLU A 838 7.53 49.80 REMARK 500 8 ALA A 891 11.24 -66.81 REMARK 500 8 TYR A 906 34.13 -168.55 REMARK 500 9 HIS A 781 -31.75 -149.49 REMARK 500 9 VAL A 801 -37.90 -138.73 REMARK 500 REMARK 500 THIS ENTRY HAS 126 RAMACHANDRAN OUTLIERS. 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 A1001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 778 OD2 REMARK 620 2 ASP A 780 OD1 76.5 REMARK 620 3 ASP A 780 OD2 92.0 52.1 REMARK 620 4 ALA A 784 O 88.4 161.9 140.1 REMARK 620 5 GLU A 789 OE1 80.7 81.6 133.4 86.0 REMARK 620 6 GLU A 789 OE2 132.1 96.2 120.9 86.3 51.4 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 53778 RELATED DB: BMRB DBREF 31DM A 762 911 UNP O43707 ACTN4_HUMAN 762 911 SEQADV 31DM GLY A 759 UNP O43707 EXPRESSION TAG SEQADV 31DM SER A 760 UNP O43707 EXPRESSION TAG SEQADV 31DM SER A 761 UNP O43707 EXPRESSION TAG SEQRES 1 A 153 GLY SER SER ILE SER GLN GLU GLN MET GLN GLU PHE ARG SEQRES 2 A 153 ALA SER PHE ASN HIS PHE ASP LYS ASP HIS GLY GLY ALA SEQRES 3 A 153 LEU GLY PRO GLU GLU PHE LYS ALA CYS LEU ILE SER LEU SEQRES 4 A 153 GLY TYR ASP VAL GLU ASN ASP ARG GLN GLY GLU ALA GLU SEQRES 5 A 153 PHE ASN ARG ILE MET SER LEU VAL ASP PRO ASN HIS SER SEQRES 6 A 153 GLY LEU VAL THR PHE GLN ALA PHE ILE ASP PHE MET SER SEQRES 7 A 153 ARG GLU THR THR ASP THR ASP THR ALA ASP GLN VAL ILE SEQRES 8 A 153 ALA SER PHE LYS VAL LEU ALA GLY ASP LYS ASN PHE ILE SEQRES 9 A 153 THR ALA GLU GLU LEU ARG ARG GLU LEU PRO PRO ASP GLN SEQRES 10 A 153 ALA GLU TYR CYS ILE ALA ARG MET ALA PRO TYR GLN GLY SEQRES 11 A 153 PRO ASP ALA VAL PRO GLY ALA LEU ASP TYR LYS SER PHE SEQRES 12 A 153 SER THR ALA LEU TYR GLY GLU SER ASP LEU HET CA A1001 1 HETNAM CA CALCIUM ION FORMUL 2 CA CA 2+ HELIX 1 AA1 SER A 763 ASP A 778 1 16 HELIX 2 AA2 GLY A 786 LEU A 797 1 12 HELIX 3 AA3 ASP A 804 GLN A 806 5 3 HELIX 4 AA4 GLY A 807 ASN A 812 1 6 HELIX 5 AA5 ASN A 812 ASP A 819 1 8 HELIX 6 AA6 THR A 827 GLU A 838 1 12 HELIX 7 AA7 ASP A 843 VAL A 854 1 12 HELIX 8 AA8 LEU A 855 GLY A 857 5 3 HELIX 9 AA9 ALA A 864 LEU A 871 1 8 HELIX 10 AB1 PRO A 872 ALA A 881 1 10 SHEET 1 AA1 2 ILE A 862 THR A 863 0 SHEET 2 AA1 2 ALA A 895 LEU A 896 -1 O LEU A 896 N ILE A 862 LINK OD2 ASP A 778 CA CA A1001 1555 1555 2.42 LINK OD1 ASP A 780 CA CA A1001 1555 1555 2.44 LINK OD2 ASP A 780 CA CA A1001 1555 1555 2.51 LINK O ALA A 784 CA CA A1001 1555 1555 2.51 LINK OE1 GLU A 789 CA CA A1001 1555 1555 2.45 LINK OE2 GLU A 789 CA CA A1001 1555 1555 2.52 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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 MODEL 1 ENDMDL MODEL 2 ENDMDL MODEL 3 ENDMDL MODEL 4 ENDMDL MODEL 5 ENDMDL MODEL 6 ENDMDL MODEL 7 ENDMDL MODEL 8 ENDMDL MODEL 9 ENDMDL MODEL 10 ENDMDL MODEL 11 ENDMDL MODEL 12 ENDMDL MODEL 13 ENDMDL MODEL 14 ENDMDL MODEL 15 ENDMDL MODEL 16 ENDMDL MODEL 17 ENDMDL MODEL 18 ENDMDL MODEL 19 ENDMDL MODEL 20 ENDMDL CONECT 303 2311 CONECT 336 2311 CONECT 337 2311 CONECT 376 2311 CONECT 445 2311 CONECT 446 2311 CONECT 2311 303 336 337 376 CONECT 2311 445 446 MASTER 216 0 1 10 2 0 0 6 1195 1 8 12 END