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Structure of SDF-1/CXCL12
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, 8151.584 Da Detail

GMKPVSLSYR CPCRFFESHV ARANVKHLKI LNTPNCALQI VARLKNNNRQ VCIDPKLKWI QEYLEKALNK


Formula weight
8151.584 Da
Entity Connection
disulfide 2 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS11:SG1:CYS36:SG
2disulfidesing1:CYS13:SG1:CYS52:SG

Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.1 %, Completeness: 93.6 %, Completeness (bb): 94.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All93.6 % (817 of 873)94.0 % (435 of 463)92.8 % (309 of 333)94.8 % (73 of 77)
Backbone94.2 % (388 of 412)92.7 % (127 of 137)95.2 % (199 of 209)93.9 % (62 of 66)
Sidechain93.8 % (497 of 530)94.5 % (308 of 326)92.2 % (178 of 193)100.0 % (11 of 11)
Aromatic89.3 % (50 of 56)100.0 % (28 of 28)77.8 % (21 of 27)100.0 % (1 of 1)
Methyl92.5 % (74 of 80)100.0 % (40 of 40)85.0 % (34 of 40)

1. CXCL12/SDF1-alpha

GMKPVSLSYR CPCRFFESHV ARANVKHLKI LNTPNCALQI VARLKNNNRQ VCIDPKLKWI QEYLEKALNK

Sample

Solvent system 90% H2O, 10% D2O, Pressure 1 atm, Temperature 298 K, pH 5.5, Details 1.56 mM CXCL12 U-15N/13C pH 5.5 50mM sodium phosphate 20 mM MES


#NameIsotope labelingTypeConcentration
1CXCL12/SDF1-alpha[U-100% 13C; U-100% 15N]1.56 mM
2H2Onatural abundance90 %
3D2Onatural abundance10 %
4sodium phosphatenatural abundance50 mM
5MESnatural abundance20 mM

LACS Plot; CA
Referencing offset: -0.14 ppm, Outliers: 2 Detail
LACS Plot; CB
Referencing offset: -0.14 ppm, Outliers: 2 Detail
LACS Plot; HA
Referencing offset: 0.02 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: 0.13 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2KEC, Strand ID: A Detail


Release date
2009-06-24
Citation
Monomeric structure of the cardioprotective chemokine SDF-1/CXCL12
Veldkamp, C.T., Ziarek, J.J., Su, J., Basnet, H., Lennertz, R., Weiner, J.J., Peterson, F.C., Baker, J.E., Volkman, B.F.
Protein Sci. (2009), 18, 1359-1369, PubMed 19551879 , DOI 10.1002/pro.167 ,
Entries sharing articles BMRB: 2, Swiss-Prot: 1 entries Detail
  BMRB: 16143 released on 2009-06-24
    Title Structure of SDF-1/CXCL12
  BMRB: 16145 released on 2009-06-24
    Title Structure of SDF-1/CXCL12
  Swiss-Prot: P48061 released on 1996-02-01
    Title SDF1_HUMAN Entity Stromal cell-derived factor 1
Related entities 1. CXCL12/SDF1-alpha, : 1 : 1 : 25 : 101 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, SDF1-alpha, stromal cell derived factor-1