Structure of PDB 3u44 Chain B

Receptor sequence
>3u44B (length=1141) Species: 1423 (Bacillus subtilis) [Search protein sequence]
GAEFLVGRSGSGKTKLIINSIQDELRRAPFGKPIIFLVPDQMTFLMEYEL
AKTPDMGGMIRAQVFSFSRLAWRVLQHTGGMSRPFLTSTGVQMLLRKLIE
EHKQEFKVYQKASDKSGFTAQVERMLTEFKRYCLEPEDIRRMAESGTASE
YRGERVLSEKLHDLSILYQQMEKSLADQYLHSEDYLTLLAEHIPLAEDIK
GAHIYVDGFYQFTPQEFRVLEQLMVHAEHITFSLTADKPSYEREPHELEL
FRMTGKTYYRLHQKAKELNLDITYKELSGTERHTKTPELAHLEAQYEARP
AIPYAEKQEALTVMQAANRRAELEGIAREIHALVREKGYRYKDVAILARQ
PEDYKDMVKEVFADYEIPYFIDGKASMLNHPLIEFIRSSLDVLKGNWRYE
AVFRCVKTELLFPLNEPKAKVREQVDQLENYCIAYGIKGDRWTKTDQEIE
MENMLNDTRDWIVPPLFQLQKRMKKAKTVQEKAEALYRYLEETDVPLKLD
QERQRAEDDGRIIEAQQHQQAWDAVIQLLEEFVEMMGDDEISLDLFQQMI
EAGAESLTFSLIPPALDQVFVGNMDLSRMYGTSCTFVLGANDGVLPARPD
ENGVLSDDDREWLKTIGVELSSGGRERLLDEHFLIYMAFSSPSDRLYVSY
PIADAEGKTLLPSMIVKRLEELFPHHKERLLTNEPEQVSDEEQLMYVVNK
SVAQSFTASQLRLWTREYDISDVWWSTYNVLMSEQDRLQSKKLFSSLFFR
NEVKQLERSVSRQLYGERIQGSVSRMETFNACPFSHFASHGLHLKERQFF
KLEAPDIGQLFHSSLKLISDRLRDEKLDWRDLTKEQCELFSYDAVERLAP
KLQKEILLSSNRHYYVKEKLQKIVTRVSGILSEHAKASGFVPIGLELGFG
GKGPLPPLTFQLKNGCTMELVGRIDRVDKAESSKGLLLRIVAYKSSDKGL
DLAEVYYGLALQMLTYLDLSITHSADWLGMRATPAGVLYFHIHDPMIQSN
LPLGLDEIEQEIFKKFKMKGLLLGDQEVVRLMDTTLQEGRSNIINAGLKK
DGSLRSDSAAVGEKEFDLLTKHVRRTFQEAGEQITDGRVSIEPYKMKNKT
PCTYCAFKSVCQFDESLEENEYRPLKAEKDKTILEWIKKEA
3D structure
PDB3u44 Insights into Chi recognition from the structure of an AddAB-type helicase-nuclease complex.
ChainB
Resolution3.201 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.1.-.-
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 dna B K1036 R1059 K1068 K1069 R1074 D1076 K1017 R1040 K1049 K1050 R1055 D1057
BS02 SF4 B C801 P1112 P1120 C1121 C1124 F1126 K1127 C1130 C782 P1093 P1101 C1102 C1105 F1107 K1108 C1111
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003690 double-stranded DNA binding
GO:0004386 helicase activity
GO:0004527 exonuclease activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008409 5'-3' exonuclease activity
GO:0016787 hydrolase activity
GO:0016788 hydrolase activity, acting on ester bonds
GO:0046872 metal ion binding
GO:0051536 iron-sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0000724 double-strand break repair via homologous recombination
GO:0006281 DNA repair
GO:0006310 DNA recombination

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Molecular Function
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Biological Process
External links
PDB RCSB:3u44, PDBe:3u44, PDBj:3u44
PDBsum3u44
PubMed22307084
UniProtP23477|ADDB_BACSU ATP-dependent helicase/deoxyribonuclease subunit B (Gene Name=addB)

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