Structure of PDB 4f93 Chain B

Receptor sequence

>4f93B (length=1723) Species: 9606 (Homo sapiens)

LAPRQVLDLEDLVFTQGSHFMANKRCQLPDGSFRRQRKGYEEVHVPALKP
KPFGSEEQLLPVEKLPKYAQAGFEGFKTLNRIQSKLYRAALETDENLLLC
APTGAGKTNVALMCMLREIGKHINMDGTINVDDFKIIYIAPMRSLVQEMV
GSFGKRLATYGITVAELTGDHQLCKEEISATQIIVCTPEKWDIITRKGGE
RTYTQLVRLIILDEIHLLHDDRGPVLEALVARAIRNIEMTQEDVRLIGLS
ATLPNYEDVATFLRVDPAKGLFYFDNSFRPVPLEQTYVGITEKKAIKRFQ
IMNEIVYEKIMEHAGKNQVLVFVHSRKETGKTARAIRDMCLEKDTLGLFL
REGSASTEVLRTEAEQCKNLELKDLLPYGFAIHHAGMTRVDRTLVEDLFA
DKHIQVLVSTATLAWGVNLPAHTVIIKGTQVYSPEKGRWTELGALDILQM
LGRAGRPQYDTKGEGILITSHGELQYYLSLLNQQLPIESQMVSKLPDMLN
AEIVLGNVQNAKDAVNWLGYAYLYIRMLRSPTLYGISHDDLKGDPLLDQR
RLDLVHTAALMLDKNNLVKYDKKTGNFQVTELGRIASHYYITNDTVQTYN
QLLKPTLSEIELFRVFSLSSEFKNITVREEEKLELQKLLERVPIPVKESI
EEPSAKINVLLQAFISQLKLEGFALMADMVYVTQLAGRLMRAIFEIVLNR
GWAQLTDKTLNLCKMIDKRMWQSMCPLRQFRKLPEEVVKKIEKKNFPFER
LYDLNHNEIGELIRMPKMGKTIHKYVHLFPKLELSVHLQPITRSTLKVEL
TITPDFQWDEKVHGSSEAFWILVEDVDSEVILHHEYFLLKAKYAQDEHLI
TFFVPVFEPLPPQYFIRVVSDRWLSCETQLPVSFRHLILPEKYPPPTELL
DLQPLPVSALRNSAFESLYQDKFPFFNPIQTQVFNTVYNSDDNVFVGAPT
GSGKTICAEFAILRMLLQSSEGRCVYITPMEALAEQVYMDWYEKFQDRLN
KKVVLLTGETSTDLKLLGKGNIIISTPEKWDILSRRWKQRKNVQNINLFV
VDEVHLIGGENGPVLEVICSRMRYISSQIERPIRIVALSSSLSNAKDVAH
WLGCSATSTFNFHPNVRPVPLELHIQGFNISHTQTRLLSMAKPVYHAITK
HSPKKPVIVFVPSRKQTRLTAIDILTTCAADIQRQRFLHCTEKDLIPYLE
KLSDSTLKETLLNGVGYLHEGLSPMERRLVEQLFSSGAIQVVVASRSLCW
GMNVAAHLVIIMDTQYYNGKIHAYVDYPIYDVLQMVGHANRPLQDDEGRC
VIMCQGSKKDFFKKFLYEPLPVESHLDHCMHDHFNAEIVTKTIENKQDAV
DYLTWTFLYRRMTQNPNYYNLQGISHRHLSDHLSELVEQTLSDLEQSKCI
SIEDEMDVAPLNLGMIAAYYYINYTTIELFSMSLNAKTKVRGLIEIISNA
AEYENIPIRHHEDNLLRQLAQKVPHKLNNPKFNDPHVKTNLLLQAHLSRM
QLSAELQSDTEEILSKAIRLIQACVDVLSSNGWLSPALAAMELAQMVTQA
MWSKDSYLKQLPHFTSEHIKRCTDKGVESVFDIMEMEDEERNALLQLTDS
QIADVARFCNRYPNIELSYEVVDKDSIRSGGPVVVLVQLEREEEVTGPVI
APLFPQKREEGWWVVIGDAKSNSLISIKRLTLQQKAKVKLDFVAPATGAH
NYTLYFMSDAYMGCDQEYKFSVD

3D structure

• PDB: 4f93 Structural basis for functional cooperation between tandem helicase cassettes in Brr2-mediated remodeling of the spliceosome.
• Chain: B
• Resolution: 2.92 Å

Enzymatic activity

• Enzyme Commision number: 3.6.4.13: RNA helicase.

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	ADP	B	F478 L481 Q485 G506 A507 G508 K509 T510 N511 N820	F76 L79 Q83 G104 A105 G106 K107 T108 N109 N418
BS02	ATP	B	F1325 Q1332 G1353 S1354 G1355 K1356 T1357 E1455 P1694	F923 Q930 G951 S952 G953 K954 T955 E1053 P1292
BS03	SAN	B	W1222 E1237 S1709	W820 E835 S1307

Gene Ontology

Molecular Function

• GO:0003676 nucleic acid binding
• GO:0005524 ATP binding

External links

• PDB: RCSB:4f93, PDBe:4f93, PDBj:4f93
• PDBsum: 4f93
• PubMed: 23045696
• UniProt: O75643|U520_HUMAN U5 small nuclear ribonucleoprotein 200 kDa helicase (Gene Name=SNRNP200)