Search

The Mad2 Spindle Checkpoint Protein Undergoes Similar Major Conformational Changes upon Binding to Either Mad1 or Cdc20
Authors
Luo, X., Tang, Z., Rizo, J., Yu, H.
Assembly
MITOTIC SPINDLE ASSEMBLY CHECKPOINT PROTEIN MAD2A/PEPTIDE
Entity
1. mitotic checkpoint protein Mad2 (polymer, Thiol state: all free), 197 monomers, 22539.50 Da Detail

GSITLRGSAE IVAEFFSFGI NSILYQRGIY PSETFTRVQK YGLTLLVTTD LELIKYLNNV VEQLKDWLYK CSVQKLVVVI SNIESGEVLE RWQFDIECDK TAKDDSAPRE KSQKAIQDEI RSVIRQITAT VTFLPLLEVS CSFDLLIYTD KDLVVPEKWE ESGPQFITNS EEVRLRSFTT TIHKVNSMVA YKIPVND


2. Mad2-binding peptide (polymer, Thiol state: not present), 12 monomers, 1450.595 Da Detail

SWYSYPPPQR AV


Total weight
23990.096 Da
Max. entity weight
22539.5 Da
Source organism
Homo sapiens
Exptl. method
NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete1
Sequence coverage: 93.8 %, Completeness: 74.1 %, Completeness (bb): 91.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All74.1 % (1864 of 2515)70.4 % (917 of 1302)74.6 % (740 of 992)93.7 % (207 of 221)
Backbone91.5 % (1131 of 1236)93.0 % (387 of 416)89.4 % (554 of 620)95.0 % (190 of 200)
Sidechain61.4 % (910 of 1481)59.7 % (529 of 886)63.4 % (364 of 574)81.0 % (17 of 21)
Aromatic47.7 % (102 of 214)78.5 % (84 of 107)14.6 % (15 of 103)75.0 % (3 of 4)
Methyl89.3 % (241 of 270)91.1 % (123 of 135)87.4 % (118 of 135)

1. mitotic checkpoint protein Mad2

GSITLRGSAE IVAEFFSFGI NSILYQRGIY PSETFTRVQK YGLTLLVTTD LELIKYLNNV VEQLKDWLYK CSVQKLVVVI SNIESGEVLE RWQFDIECDK TAKDDSAPRE KSQKAIQDEI RSVIRQITAT VTFLPLLEVS CSFDLLIYTD KDLVVPEKWE ESGPQFITNS EEVRLRSFTT TIHKVNSMVA YKIPVND

2. Mad2-binding peptide

SWYSYPPPQR AV

Sample

Pressure 1 atm, Temperature 303 (±0.1) K, pH 7.4 (±0.1)


#NameIsotope labelingTypeConcentration
15mitotic checkpoint protein Mad2[U-15N; U-13C]0.8 mM
16Mad2-binding peptide1 mM
17phosphate buffer50 mM
18KCl0.3 M
19DTT1 mM
20D2O10 %
21H2O90 %

Chem. Shift Complete2
Sequence coverage: 32.5 %, Completeness: 46.7 %, Completeness (bb): 57.3 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All46.7 % (2351 of 5030)44.8 % (1166 of 2604)46.3 % (918 of 1984)60.4 % (267 of 442)
Backbone57.3 % (1417 of 2472)59.1 % (492 of 832)54.8 % (679 of 1240)61.5 % (246 of 400)
Sidechain38.7 % (1146 of 2962)37.8 % (670 of 1772)39.7 % (456 of 1148)47.6 % (20 of 42)
Aromatic32.0 % (137 of 428)48.1 % (103 of 214)14.6 % (30 of 206)50.0 % (4 of 8)
Methyl51.7 % (279 of 540)53.7 % (145 of 270)49.6 % (134 of 270)

1. mitotic checkpoint protein Mad2

GSITLRGSAE IVAEFFSFGI NSILYQRGIY PSETFTRVQK YGLTLLVTTD LELIKYLNNV VEQLKDWLYK CSVQKLVVVI SNIESGEVLE RWQFDIECDK TAKDDSAPRE KSQKAIQDEI RSVIRQITAT VTFLPLLEVS CSFDLLIYTD KDLVVPEKWE ESGPQFITNS EEVRLRSFTT TIHKVNSMVA YKIPVND

2. Mad2-binding peptide

SWYSYPPPQR AV

Sample

Pressure 1 atm, Temperature 303 (±0.1) K, pH 7.4 (±0.1)


#NameIsotope labelingTypeConcentration
29mitotic checkpoint protein Mad21 mM
30Mad2-binding peptide[U-13C; U-15N]0.8 mM
31phosphate buffer50 mM
32KCl0.3 M
33DTT1 mM
34D2O10 %
35H2O90 %

Protein Blocks Logo
Calculated from 1 models in PDB: 1KLQ, Strand ID: A, B Detail


Release date
2002-03-21
Citation
The Mad2 spindle checkpoint protein undergoes similar major conformational changes upon binding to either Mad1 or Cdc20
Luo, X., Tang, Z., Rizo, J., Yu, H.
Mol. Cell (2002), 9, 59-71, PubMed 11804586 , DOI 10.2210/pdb1klq/pdb ,
Related entities 1. mitotic checkpoint protein Mad2, : 5 : 19 entities Detail
Related entities 2. Mad2-binding peptide, : 1 : 2 : 1 entities Detail
Experiments performed 8 experiments Detail
nullKeywords protein-peptide complex, MAD2 FAMILY