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2KDU

Structural basis of the Munc13-1/Ca2+-Calmodulin interaction: A novel 1-26 calmodulin binding motif with a bipartite binding mode

Functional Information from GO Data
ChainGOidnamespacecontents
A0005102molecular_functionsignaling receptor binding
A0005509molecular_functioncalcium ion binding
A0030234molecular_functionenzyme regulator activity
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 501
ChainResidue
AASP20
AASP22
AASP24
ATHR26
AILE27
ATHR28
AGLU31

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 502
ChainResidue
AASP58
AASN60
ATHR62
AGLU67
AASP56
AALA57

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 503
ChainResidue
AASP93
AASP95
AASN97
ATYR99
AGLU104

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 504
ChainResidue
AASP129
AASP131
AASP133
AGLN135
AGLU140

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DKDGDGTITtkEL
ChainResidueDetails
AASP20-LEU32
AASP56-PHE68
AASP93-LEU105
AASP129-PHE141

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448
ChainResidueDetails
AASP22
AASP24
ATHR26
AGLU31
AASP20
AASP56
AASP58
AASN60
ATHR62
AGLU67
AASP93
AASP95
AASN97
ATYR99
AGLU104
AASP129
AASP131
AASP133
AGLN135
AGLU140

site_idSWS_FT_FI2
Number of Residues1
DetailsMOD_RES: N-acetylalanine => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
AALA1

site_idSWS_FT_FI3
Number of Residues1
DetailsMOD_RES: N6,N6,N6-trimethyllysine => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
ALYS115

218500

PDB entries from 2024-04-17

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