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MUKB_ECOHS
ID   MUKB_ECOHS              Reviewed;        1486 AA.
AC   A7ZYM6;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
DE   RecName: Full=Chromosome partition protein MukB {ECO:0000255|HAMAP-Rule:MF_01800};
DE   AltName: Full=Structural maintenance of chromosome-related protein {ECO:0000255|HAMAP-Rule:MF_01800};
GN   Name=mukB {ECO:0000255|HAMAP-Rule:MF_01800}; OrderedLocusNames=EcHS_A1031;
OS   Escherichia coli O9:H4 (strain HS).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=331112;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HS;
RX   PubMed=18676672; DOI=10.1128/jb.00619-08;
RA   Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA   Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA   Henderson I.R., Sperandio V., Ravel J.;
RT   "The pangenome structure of Escherichia coli: comparative genomic analysis
RT   of E. coli commensal and pathogenic isolates.";
RL   J. Bacteriol. 190:6881-6893(2008).
CC   -!- FUNCTION: Plays a central role in chromosome condensation, segregation
CC       and cell cycle progression. Functions as a homodimer, which is
CC       essential for chromosome partition. Involved in negative DNA
CC       supercoiling in vivo, and by this means organize and compact
CC       chromosomes. May achieve or facilitate chromosome segregation by
CC       condensation DNA from both sides of a centrally located replisome
CC       during cell division. {ECO:0000255|HAMAP-Rule:MF_01800}.
CC   -!- SUBUNIT: Homodimerization via its hinge domain. Binds to DNA via its C-
CC       terminal region. Interacts, and probably forms a ternary complex, with
CC       MukE and MukF via its C-terminal region. The complex formation is
CC       stimulated by calcium or magnesium. Interacts with tubulin-related
CC       protein FtsZ. {ECO:0000255|HAMAP-Rule:MF_01800}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm, nucleoid {ECO:0000255|HAMAP-
CC       Rule:MF_01800}. Note=Restricted to the nucleoid region.
CC       {ECO:0000255|HAMAP-Rule:MF_01800}.
CC   -!- DOMAIN: The hinge domain, which separates the large intramolecular
CC       coiled coil regions, allows the homodimerization, forming a V-shaped
CC       homodimer. {ECO:0000255|HAMAP-Rule:MF_01800}.
CC   -!- SIMILARITY: Belongs to the SMC family. MukB subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01800}.
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DR   EMBL; CP000802; ABV05380.1; -; Genomic_DNA.
DR   RefSeq; WP_000572667.1; NC_009800.1.
DR   AlphaFoldDB; A7ZYM6; -.
DR   SMR; A7ZYM6; -.
DR   KEGG; ecx:EcHS_A1031; -.
DR   HOGENOM; CLU_004430_0_0_6; -.
DR   OMA; FIAVYQH; -.
DR   Proteomes; UP000001123; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-UniRule.
DR   GO; GO:0009295; C:nucleoid; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR   GO; GO:0051301; P:cell division; IEA:UniProtKB-KW.
DR   GO; GO:0030261; P:chromosome condensation; IEA:UniProtKB-KW.
DR   GO; GO:0007059; P:chromosome segregation; IEA:UniProtKB-UniRule.
DR   GO; GO:0006260; P:DNA replication; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.70.3500; -; 1.
DR   HAMAP; MF_01800; MukB; 1.
DR   InterPro; IPR012090; MukB.
DR   InterPro; IPR032520; MukB_hinge.
DR   InterPro; IPR042501; MukB_hinge_sf.
DR   InterPro; IPR007406; MukB_N_dom.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF04310; MukB; 1.
DR   Pfam; PF16330; MukB_hinge; 1.
DR   PIRSF; PIRSF005246; MukB; 1.
DR   SUPFAM; SSF52540; SSF52540; 2.
PE   3: Inferred from homology;
KW   ATP-binding; Cell cycle; Cell division; Chromosome partition; Coiled coil;
KW   Cytoplasm; DNA condensation; DNA-binding; Nucleotide-binding.
FT   CHAIN           1..1486
FT                   /note="Chromosome partition protein MukB"
FT                   /id="PRO_1000069902"
FT   REGION          666..783
FT                   /note="Flexible hinge"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
FT   COILED          326..418
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
FT   COILED          444..480
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
FT   COILED          509..603
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
FT   COILED          835..923
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
FT   COILED          977..1115
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
FT   COILED          1209..1266
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
FT   BINDING         34..41
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01800"
SQ   SEQUENCE   1486 AA;  170200 MW;  6838CDBE743D0B16 CRC64;
     MIERGKFRSL TLINWNGFFA RTFDLDELVT TLSGGNGAGK STTMAAFVTA LIPDLTLLHF
     RNTTEAGATS GSRDKGLHGK LKAGVCYSML DTINSRHQRV VVGVRLQQVA GRDRKVDIKP
     FAIQGLPMSV QPTQLVTETL NERQARVLPL NELKDKLEAM EGVQFKQFNS ITDYHSLMFD
     LGIIARRLRS ASDRSKFYRL IEASLYGGIS SAITRSLRDY LLPENSGVRK AFQDMEAALR
     ENRMTLEAIR VTQSDRDLFK HLISEATNYV AADYMRHANE RRVHLDKALE FRRELHTSRQ
     QLAAEQYKHV DMARELAEHN GAEGDLEADY QAASDHLNLV QTALRQQEKI ERYEADLDEL
     QIRLEEQNEV VAEAIERQEE NEARAEAAEL EVDELKSQLA DYQQALDVQQ TRAIQYNQAI
     AALNRAKELC HLPDLTADSA AEWLETFQAK ELEATEKMLS LEQKMSMAQT AHSQFEQAYQ
     LVVAINGPLA RNEAWDVARE LLREGVDQRH LAEQVQPLRM RLSELEQRLR EQQEAERLLA
     DFCKRQGKNF DIDELEALHQ ELEARIASLS DSVSNAREER MALRQEQEQL QSRIQSLMQR
     APVWLAAQNS LNQLSEQCGE EFTSSQDVTE YLQQLLERER EAIVERDEVG ARKNAVDEEI
     ERLSQPGGSE DQRLNALAER FGGVLLSEIY DDVSLEDAPY FSALYGPSRH AIVVPDLSQV
     TEHLEGLTDC PEDLYLIEGD PQSFDDSVFS VDELEKAVVV KIADRQWRYS RFPEVPLFGR
     AARESRIESL HAEREVLSER FATLSFDVQK TQRLHQAFSR FIGSHLAVAF ESDPEAEIRQ
     LNSRRVELER ALSNHENDNQ QQRIQFEQAK EGVTALNRIL PRLNLLADDS LADRVDEIRE
     RLDEAQEAAR FVQQFGNQLA KLEPIVSVLQ SDPEQFEQLK EDYAYSQQMQ RDARQQAFAL
     TEVVQRRAHF SYSDSAEMLS GNSDLNEKLR ERLEQAEAER TRAREALRGH AAQLSQYNQV
     LASLKSSYDT KKELLNDLQR ELQDIGVRAD SGAEERARIR RDELHAQLSN NRSRRNQLEK
     ALTFCEAEMD NLTRKLRKLE RDYFEMREQV VTAKAGWCAV MRMVKDNGVE RRLHRRELAY
     LSADDLRSMS DKALGALRLA VADNEHLRDV LRMSEDPKRP ERKIQFFVAV YQHLRERIRQ
     DIIRTDDPVE AIEQMEIELS RLTEELTSRE QKLAISSRSV ANIIRKTIQR EQNRIRMLNQ
     GLQNVSFGQV NSVRLNVNVR ETHAMLLDVL SEQHEQHQDL FNSNRLTFSE ALAKLYQRLN
     PQIDMGQRTP QTIGEELLDY RNYLEMEVEV NRGSDGWLRA ESGALSTGEA IGTGMSILVM
     VVQSWEDESR RLRGKDISPC RLLFLDEAAR LDARSIATLF ELCERLQMQL IIAAPENISP
     EKGTTYKLVR KVFLNTEHVH VVGLRGFAPQ LPETLPGTDE APSQAS
 
 
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