eF-site ID 3fex-ABC
PDB Code 3fex
Chain A, B, C

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Title Crystal structure of the CBC-importin alpha complex.
Classification TRANSLATION, PROTEIN TRANSPORT
Compound Nuclear cap-binding protein subunit 1
Source Homo sapiens (Human) (IMA2_HUMAN)
Sequence A:  SRRRHSDENDGGQPHKRRKTSDANETEDHLESLICKVGEC
SLESNLEGLAGVLEADLPNYKSKILRLLCTVARLLPEKLT
IYTTLVGLLNARNYNFGGEFVEAMIRQLKESLKANNYNEA
VYLVRFLSDLVNCHVIAAPSMVAMFENFVSVTQEVPQVRR
DWYVYAFLSSLPWVGKELYEKKDAEMDRIFANTESYLKRR
QKTHVPMLQVWTADKPHPQEEYLDCLWAQIQKLKKDRWQE
RHILRPYLAFDSILCEALQHNLPPFTPPPHTEDSVYPMPR
VIFRMFDYTDDPEGPVMPGSHSVERFVIEENLHCIIKSHW
KERKTCAAQLVSYPGKNKIPLNYHIVEVIFAELFQLPAPP
HIDVMYTTLLIELCKLQPGSLPQVLAQATEMLYMRLDTMN
TTCVDRFINWFSHHLSNFQFRWSWEDWSDCLSQDPESPKP
KFVREVLEKCMRLSYHQRILDIVPPTFSALCPANPTCIYK
YGDESSNSLPGHSVALCLAVAFKSKATNDEIFSILKDVPF
NPLKIEVFVQTLLHLAAKSFSHSFSALAKFHEVFKTLAES
DEGKLHVLRVMFEVWRNHPQMIAVLVDKMIRTQIVDCAAV
ANWIFSSELSRDFTRLFVWEILHSTIRKMNKHVLKIQKEL
EEAKEKLARKDGVLEEQIERLQEKVESAQSEQKNLFLVIF
QRFIMILTEHLVRCETDGTSVLTPWYKNCIERLQQIFLQH
HQIIQQYMVTLENLLFTAELDPHILAVFQQFCALQA
B:  LLKKSCTLYVGNLSFYTTEEQIYELFSKSGDIKKIIMGLD
TACGFCFVEYYSRADAENAMRYINGTRLDDRIIRTDWDAG
C:  MNQGTVNWSVDDIVKGINNVENQLQATQAARKLLSREKQP
PIDNIIRAGLIPKFVSFLGRTDCSPIQFESAWALTNIASG
TSEQTKAVVDGGAIPAFISLLASPHAHISEQAVWALGNIA
GDGSVFRDLVIKYGAVDPLLALLAVSSLACGYLRNLTWTL
SNLCRNKNPAPPIDAVEQILPTLVRLLHHDDPEVLADTCW
AISYLTDGPNERIGMVVKTGVVPQLVKLLGASELPIVTPA
LRAIGNIVTGTDEQTQVVIDAGALAVFPSLLTNPKTNIQK
EATWTMSNITAGRQDQIQQVVNHGLVPFLVSVLSKADFKT
QKEAVWAVTNYTSGGTVEQIVYLVHCGIIEPLMNLLTAKD
TKIILVILDAISNIFQAAEKLGETEKLSIMIEECGGLDKI
EALQNHENESVYKASLSLIEKYF
Description


Functional site

1) chain C
residue 490
type MOD_RES
sequence S
description Phosphoserine => ECO:0007744|PubMed:18669648, ECO:0007744|PubMed:20068231, ECO:0007744|PubMed:23186163
source Swiss-Prot : SWS_FT_FI1

2) chain B
residue 43
type MOD_RES
sequence Y
description Phosphoserine => ECO:0007744|PubMed:18669648, ECO:0007744|PubMed:20068231, ECO:0007744|PubMed:23186163
source Swiss-Prot : SWS_FT_FI1

3) chain B
residue 112
type BINDING
sequence R
description
source Swiss-Prot : SWS_FT_FI2

4) chain A
residue 698
type MOD_RES
sequence K
description Phosphoserine => ECO:0007744|PubMed:17525332
source Swiss-Prot : SWS_FT_FI5


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