Calcium in PDB 1scf: Human Recombinant Stem Cell Factor

The structure of Human Recombinant Stem Cell Factor, PDB code: 1scf was solved by X.Jiang, O.Gurel, K.E.Langley, W.A.Hendrickson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.20
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	71.820, 82.550, 88.190, 90.00, 90.00, 90.00
R / Rfree (%)	19.9 / 24.2

The binding sites of Calcium atom in the Human Recombinant Stem Cell Factor (pdb code 1scf). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Human Recombinant Stem Cell Factor, PDB code: 1scf:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Human Recombinant Stem Cell Factor


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Human Recombinant Stem Cell Factor within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca1023 b:35.0 occ:1.00 O C:HOH1029 2.4 29.2 1.0 O C:HOH1027 2.4 31.1 1.0 O C:HOH1028 2.4 35.1 1.0 OD1 C:ASN81 2.8 30.4 1.0 CG C:ASN81 3.9 28.0 1.0 O C:HOH1261 4.2 54.4 1.0 OD2 C:ASP84 4.2 40.8 1.0 CA C:ASN81 4.4 24.3 1.0 CB C:ASN81 4.5 25.3 1.0 CB C:ASP84 4.5 31.9 1.0 O C:HOH1462 4.7 46.4 1.0 O C:ASN81 4.8 27.4 1.0 CG C:ASP84 4.9 36.6 1.0 ND2 C:ASN81 4.9 27.5 1.0

Calcium binding site 2 out of 3 in the Human Recombinant Stem Cell Factor


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Human Recombinant Stem Cell Factor within 5.0Å range: probe atom residue distance (Å) B Occ D:Ca1021 b:28.5 occ:1.00 O D:HOH1024 2.4 24.6 1.0 O D:HOH1025 2.4 28.0 1.0 OE2 D:GLU113 2.5 24.6 1.0 OE1 D:GLU113 2.7 23.9 1.0 CD D:GLU113 2.9 22.3 1.0 O D:HOH1262 4.2 39.7 1.0 O D:HOH1221 4.3 20.3 1.0 CG D:GLU113 4.4 19.4 1.0 O D:HOH1202 4.5 30.9 1.0 O D:HOH1515 4.6 37.8 1.0 O D:HOH1406 4.9 28.8 1.0

Calcium binding site 3 out of 3 in the Human Recombinant Stem Cell Factor


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Human Recombinant Stem Cell Factor within 5.0Å range: probe atom residue distance (Å) B Occ D:Ca1022 b:42.9 occ:1.00 O D:HOH1026 2.4 31.4 1.0 OD1 D:ASP54 2.6 45.2 1.0 O D:HOH1157 2.6 42.1 1.0 OD2 D:ASP58 2.8 30.5 1.0 OD1 D:ASP58 3.0 26.8 1.0 CG D:ASP58 3.3 26.2 1.0 CG D:ASP54 3.4 42.2 1.0 OD2 D:ASP54 3.5 49.9 1.0 O D:ASP54 4.4 22.3 1.0 CB D:ASP54 4.7 32.0 1.0 O D:HOH1212 4.7 22.2 1.0 CB D:ASP58 4.8 21.2 1.0 O D:HOH1180 4.8 37.8 1.0 O D:HOH1244 4.8 27.2 1.0 C D:ASP54 4.9 22.6 1.0

X.Jiang, O.Gurel, E.A.Mendiaz, G.W.Stearns, C.L.Clogston, H.S.Lu, T.D.Osslund, R.S.Syed, K.E.Langley, W.A.Hendrickson. Structure of the Active Core of Human Stem Cell Factor and Analysis of Binding to Its Receptor Kit. Embo J. V. 19 3192 2000.
ISSN: ISSN 0261-4189
PubMed: 10880433
DOI: 10.1093/EMBOJ/19.13.3192