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Structure of a locked SDF1 dimer
Authors
Volkman, B.F., Veldkamp, C.T., Peterson, F.C.
Assembly
CXCL12/SDF1-alpha
Entity
1. CXCL12/SDF1-alpha (polymer, Thiol state: all disulfide bound), 70 monomers, 8173.634 × 2 Da Detail

GMKPVSLSYR CPCRFFESHV ARANVKHLKI LNTPNCACQI VARLKNNNRQ VCIDPKLKWI QEYLEKCLNK


Total weight
16347.268 Da
Max. entity weight
8173.634 Da
Entity Connection
disulfide 6 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS11:SG1:CYS36:SG
2disulfidesing1:CYS11:SG1:CYS36:SG
3disulfidesing1:CYS13:SG1:CYS52:SG
4disulfidesing1:CYS13:SG1:CYS52:SG
5disulfidesing1:CYS38:SG1:CYS67:SG
6disulfidesing1:CYS67:SG1:CYS38:SG

Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT AND ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT, AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT AND ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 95.7 %, Completeness: 86.1 %, Completeness (bb): 89.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All86.1 % (747 of 868)86.3 % (398 of 461)85.8 % (283 of 330)85.7 % (66 of 77)
Backbone89.8 % (370 of 412)90.5 % (124 of 137)89.0 % (186 of 209)90.9 % (60 of 66)
Sidechain83.8 % (440 of 525)84.6 % (274 of 324)84.2 % (160 of 190)54.5 % (6 of 11)
Aromatic75.0 % (42 of 56)89.3 % (25 of 28)63.0 % (17 of 27) 0.0 % (0 of 1)
Methyl97.3 % (72 of 74)97.3 % (36 of 37)97.3 % (36 of 37)

1. CXCL12/SDF1-alpha

GMKPVSLSYR CPCRFFESHV ARANVKHLKI LNTPNCACQI VARLKNNNRQ VCIDPKLKWI QEYLEKCLNK

Sample

Solvent system 90% H2O, 10% D2O, Pressure 1 atm, Temperature 298 K, pH 6.8, Details 0.620 mM CXCL12 U-15N/13C (dimer concentration), 25 mM MES(d13)


#NameIsotope labelingTypeConcentration
1CXCL12/SDF1-alpha[U-100% 13C; U-100% 15N]0.620 mM
2MES(d13)25 mM
3H2O90 %
4D2O10 %

LACS Plot; CA
Referencing offset: -0.42 ppm, Outliers: 2 Detail
LACS Plot; CB
Referencing offset: -0.42 ppm, Outliers: 2 Detail
LACS Plot; HA
Referencing offset: -0.07 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: -0.03 ppm, Outliers: 2 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2K01, Strand ID: A, C Detail


Release date
2008-11-05
Citation
Structural basis of CXCR4 sulfotyrosine recognition by the chemokine SDF-1/CXCL12
Veldkamp, C.T., Seibert, C., Peterson, F.C., De la Cruz, N.B., Haugner, J.C., Basnet, H., Sakmar, T.P., Volkman, B.F.
Sci. Signal. (2008), 1, ra4-ra4, PubMed 18799424 , DOI 10.1126/scisignal.1160755 ,
Related entities 1. CXCL12/SDF1-alpha, : 1 : 3 : 24 : 98 entities Detail
Interaction partners 1. CXCL12/SDF1-alpha, : 27 interactors Detail
Experiments performed 3 experiments Detail
NMR combined restraints 4 contents Detail
Keywords chemokine, CXCL12, locked dimer, SDF1-alpha, stromal cell derived factor-1, sulfotyrosine