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6XER

Tubulin-RB3_SLD in complex with colchicine

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000226biological_processmicrotubule cytoskeleton organization
A0000278biological_processmitotic cell cycle
A0003924molecular_functionGTPase activity
A0005200molecular_functionstructural constituent of cytoskeleton
A0005525molecular_functionGTP binding
A0005737cellular_componentcytoplasm
A0005856cellular_componentcytoskeleton
A0005874cellular_componentmicrotubule
A0007017biological_processmicrotubule-based process
A0015630cellular_componentmicrotubule cytoskeleton
A0016787molecular_functionhydrolase activity
A0030182biological_processneuron differentiation
A0046872molecular_functionmetal ion binding
B0000166molecular_functionnucleotide binding
B0000226biological_processmicrotubule cytoskeleton organization
B0000278biological_processmitotic cell cycle
B0001764biological_processneuron migration
B0003924molecular_functionGTPase activity
B0005200molecular_functionstructural constituent of cytoskeleton
B0005515molecular_functionprotein binding
B0005525molecular_functionGTP binding
B0005737cellular_componentcytoplasm
B0005856cellular_componentcytoskeleton
B0005874cellular_componentmicrotubule
B0007017biological_processmicrotubule-based process
B0046872molecular_functionmetal ion binding
C0000166molecular_functionnucleotide binding
C0000226biological_processmicrotubule cytoskeleton organization
C0000278biological_processmitotic cell cycle
C0003924molecular_functionGTPase activity
C0005200molecular_functionstructural constituent of cytoskeleton
C0005525molecular_functionGTP binding
C0005737cellular_componentcytoplasm
C0005856cellular_componentcytoskeleton
C0005874cellular_componentmicrotubule
C0007017biological_processmicrotubule-based process
C0015630cellular_componentmicrotubule cytoskeleton
C0016787molecular_functionhydrolase activity
C0030182biological_processneuron differentiation
C0046872molecular_functionmetal ion binding
D0000166molecular_functionnucleotide binding
D0000226biological_processmicrotubule cytoskeleton organization
D0000278biological_processmitotic cell cycle
D0001764biological_processneuron migration
D0003924molecular_functionGTPase activity
D0005200molecular_functionstructural constituent of cytoskeleton
D0005515molecular_functionprotein binding
D0005525molecular_functionGTP binding
D0005737cellular_componentcytoplasm
D0005856cellular_componentcytoskeleton
D0005874cellular_componentmicrotubule
D0007017biological_processmicrotubule-based process
D0046872molecular_functionmetal ion binding
E0031110biological_processregulation of microtubule polymerization or depolymerization
Functional Information from PDB Data
site_idAC1
Number of Residues24
Detailsbinding site for residue GTP A 501
ChainResidue
AGLY10
AGLY143
AGLY144
ATHR145
AGLY146
AVAL177
ASER178
AGLU183
AASN206
ATYR224
AASN228
AGLN11
AILE231
AMG502
AHOH603
AHOH604
BLYS252
AALA12
AGLN15
AASP98
AALA99
AALA100
AASN101
ASER140

site_idAC2
Number of Residues5
Detailsbinding site for residue MG A 502
ChainResidue
AGTP501
AHOH601
AHOH602
AHOH603
AHOH604

site_idAC3
Number of Residues3
Detailsbinding site for residue SO4 A 503
ChainResidue
APRO175
ALYS394
BASN347

site_idAC4
Number of Residues16
Detailsbinding site for residue GDP B 501
ChainResidue
BGLY10
BGLN11
BCYS12
BSER138
BGLY141
BGLY142
BTHR143
BGLY144
BVAL169
BPRO171
BVAL175
BASP177
BGLU181
BASN204
BTYR222
BASN226

site_idAC5
Number of Residues16
Detailsbinding site for residue LOC B 502
ChainResidue
ASER178
ATHR179
AALA180
AVAL181
BCYS239
BLEU240
BLEU246
BALA248
BLYS252
BLEU253
BASN256
BMET257
BVAL313
BALA314
BASN348
BLYS350

site_idAC6
Number of Residues3
Detailsbinding site for residue SO4 B 503
ChainResidue
BTHR221
BGLY223
BARG276

site_idAC7
Number of Residues24
Detailsbinding site for residue GTP C 501
ChainResidue
CGLN11
CALA12
CGLN15
CASP98
CALA99
CALA100
CASN101
CSER140
CGLY143
CGLY144
CTHR145
CGLY146
CVAL177
CSER178
CGLU183
CASN206
CTYR224
CASN228
CILE231
CMG502
CHOH601
CHOH604
CHOH606
DLYS252

site_idAC8
Number of Residues5
Detailsbinding site for residue MG C 502
ChainResidue
CGTP501
CHOH601
CHOH603
CHOH604
CHOH606

site_idAC9
Number of Residues19
Detailsbinding site for residue GTP D 501
ChainResidue
DGLN15
DALA97
DGLY98
DASN99
DSER138
DGLY141
DGLY142
DTHR143
DGLY144
DVAL175
DSER176
DGLU181
DASN204
DTYR222
DASN226
DTYR281
DGLY10
DGLN11
DCYS12

site_idAD1
Number of Residues16
Detailsbinding site for residue LOC D 502
ChainResidue
CALA180
CVAL181
CHOH602
DCYS239
DLEU240
DLEU246
DLYS252
DLEU253
DASN256
DMET257
DVAL313
DALA314
DILE316
DASN348
DLYS350
DILE368

site_idAD2
Number of Residues3
Detailsbinding site for residue SO4 D 503
ChainResidue
DTHR221
DARG276
DPHE394

Functional Information from PROSITE/UniProt
site_idPS00227
Number of Residues7
DetailsTUBULIN Tubulin subunits alpha, beta, and gamma signature. GGGTGSG
ChainResidueDetails
BGLY140-GLY146
AGLY142-GLY148

site_idPS00228
Number of Residues4
DetailsTUBULIN_B_AUTOREG Tubulin-beta mRNA autoregulation signal. MREI
ChainResidueDetails
BMET1-ILE4

site_idPS00563
Number of Residues10
DetailsSTATHMIN_1 Stathmin family signature 1. PRRRDpSLEE
ChainResidueDetails
EPRO40-GLU49

site_idPS01041
Number of Residues10
DetailsSTATHMIN_2 Stathmin family signature 2. AEKREHEREV
ChainResidueDetails
EALA73-VAL82

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsMotif: {"description":"MREC motif","evidences":[{"source":"UniProtKB","id":"P68363","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"evidences":[{"source":"UniProtKB","id":"P68363","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P68363","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P68363","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Omega-N-methylarginine","evidences":[{"source":"UniProtKB","id":"P68363","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"P68363","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q13509","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues3
DetailsMotif: {"description":"MREI motif","evidences":[{"source":"UniProtKB","id":"P07437","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P99024","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P99024","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by CDK1","evidences":[{"source":"UniProtKB","id":"Q13885","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues4
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P07437","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues2
DetailsModified residue: {"description":"Omega-N-methylarginine","evidences":[{"source":"UniProtKB","id":"P07437","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin); alternate","evidences":[{"source":"UniProtKB","id":"P07437","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"P07437","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"22673903","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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