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1UKL

Crystal structure of Importin-beta and SREBP-2 complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005635cellular_componentnuclear envelope
A0005643cellular_componentnuclear pore
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006404biological_processRNA import into nucleus
A0006606biological_processprotein import into nucleus
A0006607biological_processNLS-bearing protein import into nucleus
A0006610biological_processribosomal protein import into nucleus
A0006886biological_processintracellular protein transport
A0006913biological_processnucleocytoplasmic transport
A0007079biological_processmitotic chromosome movement towards spindle pole
A0007080biological_processmitotic metaphase chromosome alignment
A0008139molecular_functionnuclear localization sequence binding
A0010494cellular_componentcytoplasmic stress granule
A0015031biological_processprotein transport
A0019894molecular_functionkinesin binding
A0019899molecular_functionenzyme binding
A0019904molecular_functionprotein domain specific binding
A0030953biological_processastral microtubule organization
A0031267molecular_functionsmall GTPase binding
A0031965cellular_componentnuclear membrane
A0032991cellular_componentprotein-containing complex
A0035332biological_processpositive regulation of hippo signaling
A0040001biological_processestablishment of mitotic spindle localization
A0042564cellular_componentNLS-dependent protein nuclear import complex
A0044877molecular_functionprotein-containing complex binding
A0045542biological_processpositive regulation of cholesterol biosynthetic process
A0045893biological_processpositive regulation of DNA-templated transcription
A0051879molecular_functionHsp90 protein binding
A0061608molecular_functionnuclear import signal receptor activity
A0061676molecular_functionimportin-alpha family protein binding
A0071782cellular_componentendoplasmic reticulum tubular network
A0090307biological_processmitotic spindle assembly
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005635cellular_componentnuclear envelope
B0005643cellular_componentnuclear pore
B0005654cellular_componentnucleoplasm
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006404biological_processRNA import into nucleus
B0006606biological_processprotein import into nucleus
B0006607biological_processNLS-bearing protein import into nucleus
B0006610biological_processribosomal protein import into nucleus
B0006886biological_processintracellular protein transport
B0006913biological_processnucleocytoplasmic transport
B0007079biological_processmitotic chromosome movement towards spindle pole
B0007080biological_processmitotic metaphase chromosome alignment
B0008139molecular_functionnuclear localization sequence binding
B0010494cellular_componentcytoplasmic stress granule
B0015031biological_processprotein transport
B0019894molecular_functionkinesin binding
B0019899molecular_functionenzyme binding
B0019904molecular_functionprotein domain specific binding
B0030953biological_processastral microtubule organization
B0031267molecular_functionsmall GTPase binding
B0031965cellular_componentnuclear membrane
B0032991cellular_componentprotein-containing complex
B0035332biological_processpositive regulation of hippo signaling
B0040001biological_processestablishment of mitotic spindle localization
B0042564cellular_componentNLS-dependent protein nuclear import complex
B0044877molecular_functionprotein-containing complex binding
B0045542biological_processpositive regulation of cholesterol biosynthetic process
B0045893biological_processpositive regulation of DNA-templated transcription
B0051879molecular_functionHsp90 protein binding
B0061608molecular_functionnuclear import signal receptor activity
B0061676molecular_functionimportin-alpha family protein binding
B0071782cellular_componentendoplasmic reticulum tubular network
B0090307biological_processmitotic spindle assembly
C0046983molecular_functionprotein dimerization activity
D0046983molecular_functionprotein dimerization activity
E0046983molecular_functionprotein dimerization activity
F0046983molecular_functionprotein dimerization activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues52
DetailsRepeat: {"description":"HEAT 1","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues160
DetailsDomain: {"description":"Importin N-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU00115","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues60
DetailsRepeat: {"description":"HEAT 2","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues70
DetailsRepeat: {"description":"HEAT 3","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues62
DetailsRepeat: {"description":"HEAT 4","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues62
DetailsRepeat: {"description":"HEAT 5","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues70
DetailsRepeat: {"description":"HEAT 6","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues84
DetailsRepeat: {"description":"HEAT 7","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues90
DetailsRepeat: {"description":"HEAT 8","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues58
DetailsRepeat: {"description":"HEAT 9","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues78
DetailsRepeat: {"description":"HEAT 10","evidences":[{"source":"PubMed","id":"10964573","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues72
DetailsRepeat: {"description":"HEAT 11","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues74
DetailsRepeat: {"description":"HEAT 12","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues96
DetailsRepeat: {"description":"HEAT 13","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues84
DetailsRepeat: {"description":"HEAT 14","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues72
DetailsRepeat: {"description":"HEAT 15","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues76
DetailsRepeat: {"description":"HEAT 16","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues96
DetailsRepeat: {"description":"HEAT 17","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues86
DetailsRepeat: {"description":"HEAT 18","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues82
DetailsRepeat: {"description":"HEAT 19","evidences":[{"source":"PubMed","id":"14645851","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues352
DetailsRegion: {"description":"Essential for high affinity interaction with RPL23A","evidences":[{"source":"UniProtKB","id":"Q14974","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues26
DetailsRegion: {"description":"IAB-binding"}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues170
DetailsRegion: {"description":"Ran-GTP binding","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI24
Number of Residues2
DetailsModified residue: {"description":"N-acetylmethionine","evidences":[{"source":"UniProtKB","id":"Q14974","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI25
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q14974","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI26
Number of Residues6
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q14974","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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