Calcium in PDB 5a2b: Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass
Enzymatic activity of Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass
All present enzymatic activity of Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass:
3.2.1.1;
Protein crystallography data
The structure of Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass, PDB code: 5a2b
was solved by
C.L.Ng,
K.P.Chai,
N.F.Othman,
A.H.Teh,
K.L.Ho,
K.G.Chan,
K.M.Goh,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
63.35 /
1.85
|
Space group
|
P 21 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
64.013,
65.296,
126.708,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
15.463 /
19.273
|
Calcium Binding Sites:
The binding sites of Calcium atom in the Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass
(pdb code 5a2b). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the
Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass, PDB code: 5a2b:
Jump to Calcium binding site number:
1;
2;
3;
4;
Calcium binding site 1 out
of 4 in 5a2b
Go back to
Calcium Binding Sites List in 5a2b
Calcium binding site 1 out
of 4 in the Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1479
b:24.6
occ:1.00
|
O
|
A:GLU173
|
2.4
|
22.0
|
1.0
|
OD1
|
A:ASN139
|
2.4
|
19.5
|
1.0
|
O
|
A:HOH2146
|
2.4
|
18.9
|
1.0
|
O
|
A:HOH2176
|
2.4
|
22.4
|
1.0
|
O
|
A:HIS217
|
2.5
|
23.4
|
1.0
|
O
|
A:HOH2145
|
2.5
|
21.9
|
1.0
|
OD2
|
A:ASP182
|
2.6
|
24.0
|
1.0
|
OD1
|
A:ASP182
|
2.6
|
22.7
|
1.0
|
CG
|
A:ASP182
|
2.9
|
24.8
|
1.0
|
C
|
A:GLU173
|
3.5
|
24.8
|
1.0
|
CG
|
A:ASN139
|
3.5
|
19.8
|
1.0
|
C
|
A:HIS217
|
3.6
|
20.8
|
1.0
|
ND2
|
A:ASN139
|
4.1
|
20.4
|
1.0
|
CB
|
A:HIS217
|
4.1
|
21.2
|
1.0
|
CA
|
A:GLU173
|
4.2
|
23.2
|
1.0
|
O
|
A:ASN139
|
4.3
|
20.9
|
1.0
|
CB
|
A:ASP182
|
4.4
|
25.1
|
1.0
|
CA
|
A:HIS217
|
4.4
|
20.5
|
1.0
|
N
|
A:ASN174
|
4.5
|
26.4
|
1.0
|
O
|
A:GLY175
|
4.5
|
27.0
|
1.0
|
O
|
A:LEU183
|
4.5
|
24.3
|
1.0
|
N
|
A:VAL218
|
4.6
|
19.6
|
1.0
|
ND1
|
A:HIS158
|
4.6
|
24.4
|
1.0
|
CE1
|
A:HIS158
|
4.6
|
23.9
|
1.0
|
CG2
|
A:VAL218
|
4.6
|
22.6
|
1.0
|
OE1
|
A:GLN185
|
4.7
|
25.1
|
1.0
|
CA
|
A:VAL218
|
4.7
|
21.3
|
1.0
|
O
|
A:VAL172
|
4.7
|
24.9
|
1.0
|
CB
|
A:ASN139
|
4.7
|
19.1
|
1.0
|
CA
|
A:ASN174
|
4.7
|
28.2
|
1.0
|
O
|
A:HOH2175
|
4.8
|
23.6
|
1.0
|
NE2
|
A:GLN185
|
4.9
|
25.3
|
1.0
|
CA
|
A:ASN139
|
4.9
|
19.7
|
1.0
|
C
|
A:ASN174
|
5.0
|
26.5
|
1.0
|
|
Calcium binding site 2 out
of 4 in 5a2b
Go back to
Calcium Binding Sites List in 5a2b
Calcium binding site 2 out
of 4 in the Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1480
b:22.5
occ:1.00
|
OD2
|
A:ASP65
|
2.2
|
21.1
|
1.0
|
OD1
|
A:ASP50
|
2.3
|
23.1
|
1.0
|
OD1
|
A:ASN49
|
2.3
|
20.0
|
1.0
|
O
|
A:HOH2046
|
2.4
|
22.1
|
1.0
|
OD1
|
A:ASN44
|
2.4
|
18.9
|
1.0
|
O
|
A:ASN46
|
2.5
|
24.6
|
1.0
|
O
|
A:GLY63
|
2.6
|
19.8
|
1.0
|
CG
|
A:ASN44
|
3.2
|
20.6
|
1.0
|
CG
|
A:ASP65
|
3.3
|
20.9
|
1.0
|
C
|
A:ASN46
|
3.5
|
25.8
|
1.0
|
CG
|
A:ASP50
|
3.5
|
23.9
|
1.0
|
CG
|
A:ASN49
|
3.5
|
21.9
|
1.0
|
C
|
A:GLY63
|
3.6
|
19.2
|
1.0
|
ND2
|
A:ASN44
|
3.7
|
20.1
|
1.0
|
CB
|
A:ASP65
|
3.9
|
19.1
|
1.0
|
CA
|
A:GLY63
|
4.0
|
19.0
|
1.0
|
OD2
|
A:ASP50
|
4.2
|
23.0
|
1.0
|
N
|
A:ASN46
|
4.2
|
24.3
|
1.0
|
ND2
|
A:ASN49
|
4.2
|
20.0
|
1.0
|
N
|
A:ASP50
|
4.3
|
24.0
|
1.0
|
C
|
A:ASN49
|
4.3
|
24.2
|
1.0
|
CA
|
A:PRO47
|
4.3
|
28.5
|
1.0
|
CA
|
A:ASN46
|
4.3
|
25.5
|
1.0
|
O
|
A:HIS111
|
4.3
|
21.1
|
1.0
|
N
|
A:PRO47
|
4.3
|
28.1
|
1.0
|
CB
|
A:ASN44
|
4.3
|
20.2
|
1.0
|
OD1
|
A:ASP65
|
4.4
|
19.9
|
1.0
|
CA
|
A:ASN44
|
4.5
|
20.2
|
1.0
|
CA
|
A:ASP50
|
4.6
|
23.6
|
1.0
|
CB
|
A:ASN46
|
4.6
|
24.8
|
1.0
|
N
|
A:ASN49
|
4.6
|
26.7
|
1.0
|
CB
|
A:ASP50
|
4.6
|
23.6
|
1.0
|
CB
|
A:ASN49
|
4.7
|
23.5
|
1.0
|
C
|
A:PRO47
|
4.7
|
28.4
|
1.0
|
O
|
A:ASN49
|
4.7
|
25.1
|
1.0
|
CA
|
A:ASN49
|
4.7
|
25.3
|
1.0
|
N
|
A:GLY64
|
4.7
|
18.4
|
1.0
|
O
|
A:HOH2025
|
4.8
|
18.3
|
1.0
|
C
|
A:GLY64
|
4.8
|
17.7
|
1.0
|
C
|
A:ASN44
|
4.9
|
20.6
|
1.0
|
N
|
A:GLY45
|
4.9
|
20.1
|
1.0
|
N
|
A:ASP65
|
5.0
|
17.7
|
1.0
|
|
Calcium binding site 3 out
of 4 in 5a2b
Go back to
Calcium Binding Sites List in 5a2b
Calcium binding site 3 out
of 4 in the Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1481
b:24.7
occ:1.00
|
O
|
A:HOH2098
|
2.4
|
22.1
|
1.0
|
O
|
A:HOH2099
|
2.4
|
24.2
|
1.0
|
O
|
A:HOH2116
|
2.4
|
25.0
|
1.0
|
O
|
A:HOH2075
|
2.5
|
21.6
|
1.0
|
O
|
A:ASN92
|
2.5
|
20.7
|
1.0
|
OE1
|
A:GLU109
|
2.5
|
21.2
|
1.0
|
O
|
A:HOH2053
|
2.7
|
42.6
|
1.0
|
OE2
|
A:GLU109
|
2.7
|
22.3
|
1.0
|
CD
|
A:GLU109
|
3.0
|
19.1
|
1.0
|
C
|
A:ASN92
|
3.7
|
19.8
|
1.0
|
OE1
|
A:GLU110
|
3.8
|
32.9
|
1.0
|
N
|
A:ASN92
|
4.2
|
20.7
|
1.0
|
OH
|
A:TYR61
|
4.3
|
19.6
|
1.0
|
CA
|
A:ASN92
|
4.4
|
20.3
|
1.0
|
CG
|
A:GLU109
|
4.5
|
18.6
|
1.0
|
O
|
A:GLU93
|
4.5
|
21.1
|
1.0
|
ND1
|
A:HIS111
|
4.6
|
26.7
|
1.0
|
OE2
|
A:GLU103
|
4.6
|
31.4
|
1.0
|
C
|
A:GLU93
|
4.7
|
23.1
|
1.0
|
N
|
A:GLU93
|
4.7
|
20.0
|
1.0
|
O
|
A:HOH2108
|
4.8
|
40.0
|
1.0
|
O
|
A:HOH2054
|
4.8
|
33.0
|
1.0
|
CA
|
A:GLU93
|
4.8
|
22.3
|
1.0
|
CB
|
A:ASN92
|
4.9
|
21.5
|
1.0
|
CE1
|
A:HIS111
|
4.9
|
25.6
|
1.0
|
|
Calcium binding site 4 out
of 4 in 5a2b
Go back to
Calcium Binding Sites List in 5a2b
Calcium binding site 4 out
of 4 in the Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into A New Glycosyl Hydrolase Subclass within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1482
b:24.9
occ:1.00
|
O
|
A:GLU400
|
2.3
|
17.8
|
1.0
|
O
|
A:HOH2410
|
2.3
|
30.0
|
1.0
|
O
|
A:HOH2351
|
2.4
|
35.2
|
1.0
|
O
|
A:HOH2353
|
2.4
|
35.4
|
1.0
|
O
|
A:HOH2352
|
2.5
|
20.6
|
1.0
|
O
|
A:HOH2248
|
2.5
|
21.4
|
1.0
|
O
|
A:HOH2350
|
2.7
|
30.1
|
1.0
|
C
|
A:GLU400
|
3.5
|
20.0
|
1.0
|
O
|
A:HOH2411
|
3.6
|
48.1
|
1.0
|
O
|
A:HOH2247
|
4.1
|
41.3
|
1.0
|
CA
|
A:GLU400
|
4.2
|
20.4
|
1.0
|
N
|
A:GLU400
|
4.2
|
18.6
|
1.0
|
CB
|
A:GLU400
|
4.4
|
19.7
|
1.0
|
OE1
|
A:GLU283
|
4.4
|
30.5
|
1.0
|
N
|
A:LYS401
|
4.5
|
18.5
|
1.0
|
O
|
A:HOH2354
|
4.5
|
25.5
|
1.0
|
OE1
|
A:GLU400
|
4.5
|
20.0
|
1.0
|
O
|
A:HOH2347
|
4.6
|
29.8
|
1.0
|
CA
|
A:LYS401
|
4.6
|
20.4
|
1.0
|
CD
|
A:LYS401
|
4.9
|
35.5
|
1.0
|
CB
|
A:LYS401
|
5.0
|
24.6
|
1.0
|
|
Reference:
K.P.Chai,
N.F.B.Othman,
A.Teh,
K.L.Ho,
K.Chan,
M.S.Shamsir,
K.M.Goh,
C.L.Ng.
Crystal Structure of Anoxybacillus Alpha-Amylase Provides Insights Into Maltose Binding of A New Glycosyl Hydrolase Subclass. Sci.Rep. V. 6 23126 2016.
ISSN: ISSN 2045-2322
PubMed: 26975884
DOI: 10.1038/SREP23126
Page generated: Sun Jul 14 16:12:40 2024
|